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$6.00 Shipping Condition: New Location: China Drive ultrasonic vibrator. - Slew Rate: ≥10V/us. Drive solenoid. - In dual channel output mode, the maximum output power of each channel can reach 30W, ... morethe maximum output amplitude is 50Vpp (±25V), and the maximum output current is 1A;.
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$2.99 Shipping Condition: New Location: China The AD9851 is a highly integrated device that uses advanced DDS technology, coupled with an internal high-speed, high-performance D/A converter and comparator, ... moreto form a digitally programmable frequency synthesizer and clock generator function.
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Free Shipping Condition: Used Location: Albuquerque, United States This Pearl Kogyo LP-2000-400K RF Power Generator Module is used untested surplus and is being sold as-is. This unit has scratches and dings to the outside ... more(see photos). The physical condition is good and there are visible signs of previous use and handling.
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Free Shipping Condition: New Location: 宝安区, China Vacuum Ejector. 1 x Vacuum Ejector. Inlet Thread. Vacuum Thread. Outlet Thread. 4.3 x 20mm/ 0.17" x 0.79" ( Hole Dia Distance). Vacuum Degree. Aluminum ... moreAlloy.
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Free Shipping Condition: Used Location: Albuquerque, United States Model No: RF Apex 1513. This Apex 1513 AE Advanced Energy 3156110-003 RF Generator is used working surplus. It was tested in our facility and is fully ... morefunctional. The physical condition is good, but there are signs of previous use and handling.
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Free Shipping Condition: For parts or not working Location: Albuquerque, United States The physical condition is good, but there are signs of previous use and handling. This unit is sold As-Is. Input: 3Ø, 208VAC, 50/60Hz, 35A. Output: 3.5kW ... more@ 162 MHz. These products are subject to export restrictions under U.S. law.
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Free Shipping Condition: Used Location: Albuquerque, United States Part No: A3L3L000CA140D111A. Model No: RF Apex 1513. This Apex 1513 AE Advanced Energy is used working surplus. It was tested in our facility and is fully ... morefunctional. The physical condition is good, but there are signs of previous use and handling.
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Free Shipping Condition: New Location: China Item Type: DDS Functional Generator. Main Output Waveforms: Sine and square, , sawtooth. Sawtooth : 1 Hz-20kHz (effective range). Sine : 1Hz-500KHz. Purpose: ... moregenerator. Square : 1 Hz-20kHz (effective range).
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$340.00 Shipping Condition: Used Location: South Korea Serial No. 100011.
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Free Shipping Condition: For parts or not working Location: Albuquerque, United States RF Apex 1513. This Apex 1513 AE Advanced Energy 660-032596-413 RF Generator is used surplus. No further testing could be completed and is sold as-is. ... moreThe water cooling ports have been modified with tubulation fittings (see photos).
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$9.88 Shipping Condition: New Location: China Host：JDS6600. 3 、 Using DDS direct digital synthesis technology to generate precise, stable and low distortion output signal. 18 、 Arbitrary wave editing ... morefunction: user can edit arbitrary wave on PC and then download to.
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Free Shipping Condition: Used Location: Albuquerque, United States This AE Advanced Energy Apex 1513 RF Generator is used working surplus. It was tested in our facility and is fully functional. The unit has minor scuffs ... moreto the case (see photos). Interlock cover is not included.
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$192.09 Shipping Condition: Used Location: Wenatchee, United States You are bidding on used Giga-tronics unit model 905 I ran the frequencey switches through a number of settings from the start through to the end of the ... morefrequency range with the unit connected to a spectrum analyzer seeing output but I would say this unit may need some attention to be on spec again but I have not tested every feature of this unit if these is something you would to see email me and I will try to comply. The Giga-tronics 905 Radio Frequency Synthesized Microwave Signal RF Generator is used to synthesize a range of microwave frequencies at a variety of power levels. This unit does have the optional 24 pin black port connector for remote interface GPIB IEEE-488-1978 on the back panel and has the blue 5 position dip adress switch located next to it. The manual specifications are; output signals range of 2 to 18 GHz(1MHz resolution) This is a used unit and it will bear marks of use. The unit is shown with the displayed generated signals are shown on a spectrum analyzer which is not included in this auction. The unit does not come with any manuals they are available aftermarket though. This Gigatronics systems equipment of this well proven brand has a variety of uses regarding RF transmission or radio frequency communication from test, troubleshooting and repair. This is your opportunity to purchase a name brand unit at a fraction of the price the used equipment companies sell their calibrated and refurbished units for. The unit is pictured here is sold"AS IS" without express or implied warranty. With no statement to calibration, with no statement to signal accuracy and by itself no accessories all sales are final. Ask questions before you bid, it is the responsibility of the bidder/potential bidder to know what they are bidding on, if you are uncertain, do the research. This is a used piece of equipment that will bear marks of use do not assume anything ask questions regarding the item or shipping until you are comfortable to bid. If you still are uncertain then ask before you bid, not after.
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Free Shipping Condition: Used Location: Rancho Cordova, United States Tested working onsite, this item is in excellent working condition, backed by a 30-Day Warranty for your peace of mind. While it may display fair cosmetic ... morewear with moderate to heavier scuffs, scratches, or blemishes from prior use we guarantee its functionality. Please note there is a slit in the front of face under the adjustment knob. The package includes everything shown in the provided images; however, please note that no additional items or accessories are included unless explicitly depicted. Please be aware that a power adapter or cable is not provided unless visible in the pictures. The photos showcase one of the actual units available, giving you a transparent view of what to expect.
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$3.19 Shipping Condition: Neu Location: China External microUSB‐ 5V, current 0.2A (not charging)/1A (charging). Current signal generator 1+data cable 1+screwdriver 1. Adapter Module. High-grade aluminum ... morealloy knob cap electroplating button. GPRS Board.
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$38.00 Shipping Condition: Used Location: Hayward, United States This product is an RF filter with a power capacity of 500W at 13.56/42.7MHz, designed for use in power supplies and plasma generators. It is manufactured ... moreby AMAT Applied Materials and has a model number of 0190-81900. The filter is a spare part and is intended for use in signal sources and conditioning, test, measurement, and inspection applications in the business and industrial sectors. The product is designed to be used in the mid outer region and was manufactured in Korea.
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Free Shipping Condition: New Location: China Feature: 1. Simpler Work: Excess Noise Ratio, that is, the multiple of the thermal noise that the noise source exceeds the standard noise temperature ... moreT0. This refers to the poor strength when the spectrum is not connected to the noise source and after the noise source is connected.
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Free Shipping Condition: New Location: Raleigh, United States >1-Channel PWM output. XY-PWM signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels.It ... moreis used as a signal source or excitation source for testing.Widely used in production practice and technology.
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Free Shipping Condition: Used Location: Albuquerque, United States RF Apex 1513. This Apex 1513 AE Advanced Energy 660-032596-014 RF Generator is used working surplus. It was tested in our facility and is fully functional. ... moreThe unit has dents to the rear of the unit but these to not interfere with normal operation (see photos).
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$55.00 Shipping Condition: Used Location: Israel TELULEX SYNTHESIZED FUNCTION/ARB GENERATOR 21.5MHZ MODEL SG-100/A This is a fixed auction for a Telulex Synthesized Function/Arb Generator. Model: SG-100/A ... moreItem specifications: Brand Telulex Model SG-100/A 21.5 MHz This is a great condition Telulex exactly as shown that is ready for use. The shipping costs we list in our description are for the 48 contiguous USA states only. Shipping will be recalculated for buyers in Hawaii. Alaska or outside the United States once we have received your shipping address. Buyers are responsible for their Country's custom fees. We always combine shipping to give you the lowest possible cost. We have competitive rates for our always welcomed international bidders. We pride ourselves on our customer service. And we want to make this eBay transaction as smooth as possible. Please feel free to call us between 9:00-5:00 EST Monday-Friday at 800 826 3433 if you have any questions.
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$3.00 Shipping Condition: New Location: China Support multiple modes such as PWM Mode, Pulse Mode, Source Mode, Sine Mode. - Multifunctional generator. - Product Function: PWM Mode, Pulse Mode, Source ... moreMode, Sine Mode. - PWM Mode - Item Type: Generator Module.
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$3.00 Shipping Condition: New Location: China With excellent performance ASIC chip function generator ICL8038, add a small amount of resistive and capacitive components, can produce sine, triangle ... moreand square wave, and the frequency of the signal, duty cycle, adjustable distortion sine wave.
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Free Shipping Condition: New Location: China Frequency range(Normal mode):1Hz~150KHz;. Normal mode:Frequency range 1Hz~150KHz. Duty cycle range 000%-100%. Duty cycle accuracy 1%. Display ‘X.X.X’. ... moreThe decimal point is fully lit,The minimum frequency is 1KHz.
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Free Shipping Condition: New Location: China NE555 Oscillator Buzzer Electronic DIY Tone Generator LED 0.25W SpeakerFeatures: This is an Electronic DIY that uses the NE555, some welding experience ... moreis requiredChip Model Number : NE555OperatingSpeaker: 8 OHMs 0.25WPCB Board Size: 28x24mm/1.1x0.94"
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Free Shipping Condition: Used Location: Albuquerque, United States This LPG-1A ENI LPG-1A-000-51 Solid State RF Power Generator 100 KHz is used working surplus. It was tested in our facility and is fully functional. The ... morephysical condition is good, but there are signs of previous use and handling.
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$3.19 Shipping Condition: Neu Location: China Current signal generator 1+data cable 1+screwdriver 1. External microUSB‐ 5V, current 0.2A (not charging)/1A (charging). High-grade aluminum alloy knob ... morecap electroplating button. Battery Protection Board.
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$4.38 Shipping Condition: New Location: China
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$145.00 Shipping Condition: Used Location: Newbury Park, United States (Ultra -Low SSB phase noise and spurious. Wide dynamic range with accurate output levels. Downconverter.CW with pulse modulation from 10 MHz to 2.2 GHz ... more). If you don't see it in the pictures, it is not included.
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Free Shipping Condition: For parts or not working Location: Albuquerque, United States This LPG-6AT ENI Power Systems LPG-6A-21051-51 RF Generator is used surplus. No further testing could be completed and is sold as-is. The physical condition ... moreis good, but there are signs of previous use and handling.
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$3.00 Shipping Condition: New Location: China Support multiple modes such as PWM Mode, Pulse Mode, Source Mode, Sine Mode. - Multifunctional generator. - Product Function: PWM Mode, Pulse Mode, Source ... moreMode, Sine Mode. - PWM Mode - Item Type: Generator Module.
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Free Shipping Condition: New Location: China Square wave / Triangle wave. ►High amplitude resolution: the minimum amplitude resolution can reach 1mV, amplitude range is 2mVpp~20Vpp. Sine wave frequency ... morerange. Square wave frequency range. Triangle wave frequency range.
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Free Shipping Condition: New Location: China Frequency range:1Hz~150KHz;. Display ‘X.X.X’. The decimal point is fully lit, The minimum frequency is 1KHz. The frequency range is 1KHz ~ 150KHz. Display ... more‘XXX’. No decimal point, The minimum frequency is 1Hz.
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Free Shipping Condition: For parts or not working Location: Albuquerque, United States The physical condition is good, but there are signs of previous use and handling. Serial numbers or country of manufacture may vary. Part No: AX-2000EUII-N. ... moreItem Condition: Untested, Sold As-Is. Sale Details.
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$2.88 Shipping Condition: New Location: China The AD9833 is a low power, programmable waveform generator capable of producing sine, triangular, and square wave outputs. The output frequency and phase ... moreare software programmable, allowing easy tuning.
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$145.00 Shipping Condition: New Location: 龙华区, China Note: we'll ship this item via express mail service to USA. Canada, Australia, New Zealand, Ireland, Austria, Belgium, Denmark, Germany, France, Finland, ... moreLuxemburg, Malta, Norway, Sweden, Swiss, Spain, Italy, UK, Japan, Korea,Thailand, Malaysia, Indonesia, Philippine, Singapore. Clients from other countries pls contact with us in advance to confirm the different shipping charges before you bid. VC2642E Features: 1. The variety of signal waveform generator. Output frequency ranges consist of seven decade stages, includeing 0.5Hz~5MHz. 2. With a sine wave. Triangle wave, rectangular wave and its modulation waveform output. 3. Symmetry(Duty Cycle) DC Offset can be adjusted independently. 4. Voltage output range(no load) 0.2Vp-p ～ 20 Vp-p. 3 output attenuation: 20dB. 40dB and-60dB. 5. Synchronous CMOS(TTL-compatible) level outputs The peak voltage: 3.6V ～ 15V. Independently successive adjustment. 6. VFD display. Frequency 6 shows,all functional instructions are available. 7. External Voltage controlled Frequency(VCF) The external voltage-controlled rate 1:100（1） 8. External Frequency Measurement function. Frequency Range: 1Hz ～ 100MHz. Auto-gate time. Equally accurate measurement, 6 digits display resolution（1） 9. Frequency Sweep function. Including logarithmic and linear scanning mode. Sweep time and sweep width adjustable independently.2） 10. Modulation function. With the modulated signal source of internal built-in or external input to generate Amplitude Modulation(AM) or Frequency Modulation(FM) signal（2） 11. High-current Power Output function. Supplied with output power that is greater than 5W within the 200kHZ（3） 12. Multi-protection function. The output port overpressure. Over-current, power amplifier overheating protection, accompanying a sound and light alarm instructions. 13. Time base Panel calibration technology. It can be calibrated without opening the chassis. 14. 220V/110V Power Conversion External fuse convenient for replacement. 15. Simple man-machine operation. Sturdy and surable, suit
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Free Shipping Condition: New Location: China Support multiple modes such as PWM Mode, Pulse Mode, Source Mode, Sine Mode. Product Function: PWM Mode, Pulse Mode, Source Mode, Sine Mode. Item Type: ... moreGenerator Module. Feature: 1. Multifunctional generator.
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$2.78 Shipping Condition: Neu Location: China With excellent performance ASIC chip function generator ICL8038, add a small amount of resistive and capacitive components, can produce sine, triangle ... moreand square wave, and the frequency of the signal, duty cycle, adjustable distortion sine wave.
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Free Shipping Condition: New Location: China Features: 100% Brand new and high quality! This Internet Streaming/Media Centre TV Box is for you! Supports usual for Android apps so you can access your ... morefor email, for Facebook etc. via your TV. Best choice for yourself or your friend.
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$2.89 Shipping Condition: New Location: China Model: AD9850. Type:Signal Generator. 1 Signal Generator.
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$50.00 Shipping Condition: Seller refurbished Location: Palos Heights, United States Midwest ATE Test Equipment Recyclers www.midwestate.com 708-420-4204 info@midwestate.com Noice/Com Percision C/N Generator Model UFX-BER-1850 Calibrated ... morewith a 30 day warranty Unit is in great condition! Noise/Com UFX-BER-1850 Programmable Precision C/N Generator. The NoiseCom UFX-BER-1850 is 1710-1990MHz CDMA. The UFX-BER-1850 is a Noise Generator and a Power Meter. All orders shipped in Instapak Foam-Fitted packaging material. Contact Midwest ATE E-mail: info@midwestate.com Phone: 708-420-4204* We carry a large supply of quality refurbished and used test equipment from all the major manufacturers. For multiple quantities please contact us, if we don't have it we'll be glad to find it for you! Product Condition Midwest ATE stands apart from other organizations that sell refurbished or used electronic test and measurement equipment. All test equipment products are 100% Refurbished by our in-house test lab engineers. Midwest ATE has developed rigorous re-certification procedures to ensure our products are shipped with the highest quality. Warranty Midwest ATE warrants merchandise to be fully operational when shipped from our dock(unless otherwise specified) Warranty is void if tamper seals are broken. Please see detailed description for product warranty timeframe. Payment Methods Midwest ATE accepts all major forms of payment including Paypal, Wire Transfer. Money Order, Escrow.com and Company Check. Personal checks must clear before shipping International orders are payable only by W
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$3.59 Shipping Condition: New Location: China 1PCS ICL8038 IC ICL8038 Kits ICL8038 pin functions Model: ICL8038. ICL8038 Welded(Yellow) 1 x DC 12V-24V ICL8038 DDS Signal Generator Module Sine Square ... moreTriangle Wave. ICL8038 Low-frequency ICL8038 Blue.
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Free Shipping Condition: New Location: Raleigh, United States >1-Channel PWM output. XY-PWM signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels.It ... moreis used as a signal source or excitation source for testing.Widely used in production practice and technology.
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$103.42 Shipping Condition: Used Location: Farmingdale, United States IFR Aeroflex/ Marconi 2026 Multisource Signal Generator 10 kHz to 2.4 GHz: Click Pictures to Enlarge Here is a very nice Chesapeake Microwave Technologies ... moreMLJ Cell-20 Signal Generator/ Amplifier. This unit appears to be in excellent working condition and was recently removed from service from a major US electronics corporation. A power cord will be included. I have six of these available and quite honestly they appear to be unused. Guaranteed to be operational. Serial Numbers- 661. 659, 649, 679, 650, 665 Cell-20 TEST TRANSMITTER The Cell-20 Test Transmitter is intended for use in the cellular. SMR, and paging industry to characterize installations and equipment without the need to set up a complete Base Transmitter System. The Cell-20 incorporates a synthesized signal source and a power-leveled high power amplifier with an AC power supply in one compact, portable chassis. The Cell-20 is tunable, in 10, 12.5, 25, and 30 kHz steps, from 805 to 960 MHz. Power output ranges from 20 dBm to 43 dBm(20 Watts) adjustable in 1dB increments. The unit is capable of generating a CW tone to be transmitted from prospective base transmitter stations. Size and Weight: height 7.5" length 15" width 9.5" weight 25 lbs In accordance with Ebay policy we accept Paypal only. We will only ship to a confirmed Paypal address. All Nevada residents will be charged 7.375% sales tax. Payment should be made within 5 days of the close of the auction. Orders shipped to the USA. Please inquire if you are interested in International shipment. All items sold as-is. We accept returns only if the item was not as described in the auction. Buyer must contact us within 3 days of receiving the item and must return the item within 14 days; buyer is responsible for return shipping charges. Please feel free to contact us with any questions. PhotobucketDeluxe Template copyright © 2009.RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Feog4d72f%2Bf7%60%3E-146c6e499b3-0x10b-
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Free Shipping Condition: Used Location: Albuquerque, United States This Apex 1513 AE Advanced Energy 660-063435-003 D RF Generator 3156110-016 is used working surplus. It was tested in our facility and is fully functional. ... moreInterlock cover is not included. The physical condition is good, but there are signs of previous use and handling.
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Free Shipping Condition: Used Location: Albuquerque, United States Model No: A3L5000BA140D111A. RF Apex 1513. This Apex 1513 AE Advanced Energy 0920-00067 RF Generator is used working surplus. It was tested in our facility ... moreand is fully functional. The physical condition is good, but there are signs of previous use and handling.
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Free Shipping Condition: New Location: Brentwood, United States
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$46.79 Shipping Condition: Used Location: Wenatchee, United States You are bidding on used This auction is for another Hp 86603A shown for parts or repair nonfunctional.This plug in will fit Hp main frame radio frequency ... moresignal generating RF synthesizer models 8660A 8660B 8660C 8660D. This is a used unit and it will bear marks of use. The manual specifications are RF Plug-in for 8660-series Mainframes. 1MHZ to 2600 MHZ(Requires 11661B Module installed in Mainframe) +7 to-136dBm output. This is a used unit and it will bear marks of use. The unit does not come with any manuals they are available aftermarket though. This Hewlett Packard systems analyzer of this well proven brand has a variety of uses regarding RF transmission or radio frequency communication from test. Troubleshooting and repair. This is your opportunity to purchase a name brand unit at a fraction of the price the used equipment companies sell their calibrated and refurbished units for. The unit is pictured here is sold"AS IS" without express or implied warranty. With no statement to calibration, with no statement to signal accuracy and by itself no accessories all sales are final. Ask questions before you bid, it is the responsibility of the bidder/potential bidder to know what they are bidding on, if you are uncertain, do the research. This is a used piece of equipment that will bear marks of use do not assume anything ask questions regarding the item or shipping until you are comfortable to bid. If you still are uncertain then ask before you bid, not after. What is presented is that this unit does perform as pictured since not all functions are tested, there are always unknown conditions the buyer assumes the entire risk on an"as-is" item. We do not refund any monies due to misunderstood auctions so beyond the unit performing as pictured, items such as calibration or repair, if needed, is the responsibility of the buyer. I cannot accept international bidding any longer I am only accepting Canada and US bidders. I do apologize for this inconvenience but under the new Ebay rules the only paymen
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$3.00 Shipping Condition: New Location: China ZK-PP1K signal generator is a device that provides electrical signals at a variety of frequencies, square wave,pulse and output levels.It supports dual ... moremode:PWM mode and PULSE mode.It is used as a signal source or excitation source for testing.Widely used in production practice and technology.
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$4.88 Shipping Condition: New Location: China
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$2.59 Shipping Condition: New Location: China Module model: ADF4351. In addition, with 1/2/4/8/16/32/64 crossover circuits, users can generate RF output frequencies as low as 35 MHz. A: ADF4351 is ... morea digital phase-locked loop. The frequency output below 2.2G is divided frequency output, the output waveform is similar to square wave, if you need a sine wave, you need an external filter.
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$3.50 Shipping Condition: New Location: China 2PCS ICL8038 IC：. ICL8038 - Yellow ICL8038 Kits ICL8038 pin functions Model: ICL8038. ICL8038 - Welded Using ICL8038 + high-speed op amp composed of signal ... moregenerator, by the following characteristics.
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Free Shipping Condition: New Location: China Product Name:DDS Signal Generator Module 0-70MHz AD9851 2 Sine Wave and 2 Square Wave good SKU: 1870 Parsts No. Package: Brand: Quantity: 1, 2 sine wave ... moreand 2 square wave output AD9851: 0-70MHz After the 20-30MHz frequency harmonics increases. The waveform will be less and less clean Square Wave: 0-1MHz Low-pass filter with 70MHz. So the waveform better than SN Parallel and serial data input can be selected via a jumper DA produced the benchmark pin(PIN12) leads for easy adjustment to do the magnitude of the output waveform Application Comparator reference input voltage generated by the variable resistor. The resistor can be adjusted duty cycle square wave of different AD9851 module Using 30MHZ Active crystal AD9851 Clock frequency up to 180MHz. AD9851 has 6 octave Maybe you request $ 22.00 + free shipping $ 4.02 + free shipping $ 2.5 + free shipping $2.34 + free shipping $ 1.21 + free shipping For more quantity. Please contact us 1) We accept PayPal payment ONLY.
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$3.00 Shipping Condition: New Location: China PWM Signal Generator Pulse Frequency Duty Ratio adjustable Square Wave Rectangular Signal Generator. -1 channel PWM output. XY-PWM signal generator is ... morea device that provides electrical signals at a variety of frequencies, square wave, and output levels.
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Free Shipping Condition: Used Location: Albuquerque, United States Model No: RFX 2500. This RFX 2500 AE Advanced Energy 5011-000-D RF Generator is used surplus. The physical condition is good, but there are signs of previous ... moreuse and handling. This unit is sold As-Is.
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Free Shipping Condition: New Location: China Features: 100% Brand new and high quality! This Internet Streaming/Media Centre TV Box is for you! Supports usual for Android apps so you can access your ... morefor email, for Facebook etc. via your TV. Best choice for yourself or your friend.
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$28.93 Shipping Condition: Used Location: Canada
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Free Shipping Condition: New Location: United States Two independent PWM generators can set the frequency, duty cycle;. XXX (no decimal point): the smallest unit is 1Hz, the range 1Hz ~ 999Hz;. XX.X (decimal ... morepoint in ten): The minimum unit is 0.1Khz; the range of 0.1KHz ~ 99.9KHz.
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$3.88 Shipping Condition: New Location: 龙岗区, China Surface mounting technology improves interference immunity and operational life span. It can also output TTL electric level. u Adopt DDS technology to ... moregenerate accurate, stable signal with low distortion.
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$2.89 Shipping Condition: New Location: China Model: AD9959. Type: RF Signal Generator. 1 RF Signal Generator.
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Free Shipping Condition: New Location: China AD9850 0~55MHz DDS Signal Generator For HAM Radio VFO SSB RIT 6 Bands Description: Features: This is a 0~55MHz(latest version. Firmware updated in 2013) ... moreDDS Signal Generator. It is based on AD9850 chip and is very easy to operate. Supports 0~55MHz continual adjust at 1Hz step. This generator has 78L05 voltage regulate. Input current at 200MA. Input voltage 8-9V would be the ideal voltage. Input voltage of 12V can only be used for short time testing. Otherwise will cause heat to board. 5p/6p connect to encoder as per photo. 7p of the middle connects to digital matrix input. 14p(8V GND) is 8V power supply from main board. If powered by main board. DDS does not need independent power supply. 1~6 correspond to 6 frequency bands: 3.8，7，9，14，18 or 21，27 or 29) ISB. USB, CW are the three mode choices. DT is signal from main board Keys& Connection interfaces: ENC: encoder switch MEM: switch for memory mode VFO: Transfer from VFO A to VFO B. Or from VFO B to VFO A. SSB: Working mode change: circulate from USB. LSB, AM, CW, and on and on. RIT: fine tuning to receiving frequency CAL: set functions KB-1 and KB-2 have common shared pin. But is not GND. How to operate: Press CAL. Power on, then we enter setting screen. Let go/release CAL. A: ENABLE 6XREFCLE: setting chip clock mode. Adjust frequency encoding setting. AD9851 set to 6-multiply frequency, AD9850 set to 1multiply frequency. Press CAL then quickly release to enter next step B. B: DDS-SYSTEM-CLK: Chip working frequency setting. Use encoder switch to adjust value. Operate in accordance with STEP key. AD9851 set at oscillator 6-multiply channel. AD9850 set at actual output of oscillator. Press CAL then quickly release to enter step C. C: MIN_RX_DDS_FREQ：Setting minimum working frequency. Use encoder switch to adjust value and in accordance with STEP key. Press CAL then quickly release to enter step D. D: MAX_RX_DDS_FREQ：Setting maximum working frequency. Use encoder switch to adjust value and in accordance with STEP key. Smaller than 60MHz would be OK) Pres
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