Signal Generators
signal generators — pre-owned
Browse 12,667 signal generators — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

LODESTAR AM-FM SIGNAL GENERATOR SG-4110A
The LODESTAR AM-FM Signal Generator SG-4110A is a versatile RF signal generator designed for professional use in testing, measurement, and inspection applications. With a frequency range of 100KHz to 110MHz.This unit powers up but condition is unkown any further.

Hewlett-Packard 5383A 520MHz Frequency Counter w/ Option 001
Hewlett-Packard 5383A 520MHz Frequency Counter w/ Option 001

RCA RF SIGNAL GENERATOR Type WR-50B 105-130V 50-60Hz 15W Powers On
The RCA RF Signal Generator Type WR-50B is a reliable and efficient power source that operates within the range of 105-130V and 50-60Hz, providing up to 15W of power. This signal generator is designed by RCA, a trusted brand known for producing high-quality electronic equipment. Whether used for testing, measurement, or inspection purposes, this generator ensures consistent and stable power output to help achieve accurate and reliable results in various industrial and business applications.

Tenma 72-7985 HDTV/PC Test Pattern Generator DVI, VGA, YPbPr, W/HDMI Adapter HCS
Manual for this Tenma Model #72-7985. Cables for connections for the following types of High-Definition Inputs : DVI,VGA,Ypb,Ypg,Ypr. Also includes the User. This Signal Generator includes all Cables and Adapters for applying all Signal Categories.

Brandywine NFS-221 GPS NTP Time Server 1PPS Network Frequency Standard *PARTS*
This unit is partially working. Final sale. I believe that this unit may be equipped with an OCXO oscillator even though the the web interface seems to report a Rb type (see testing screenshots and photos of the interior).

HP Hewlett Packard 8444A Tracking Generator .5-1300MHz
Coming from a very large Electronic Hoarder house. House was very clean. Non smoking & no pets.

Tektronix CFG250 Function Generator 2MHz- Powers On- Not Fully Tested
Powers on. Can’t fully test. Sold for parts/Repair only. Some of the plastic on the unit is discolored. Free shipping to the lower 48 states. Additional shipping charges may apply to other locations. No returns. SKU- NS3

Vintage Precision Apparatus Co 6-Band RF Signal Generator Series E-200-C
Untested, for parts/repair. Considered not working. Has a missing foot, dings, scuff marks and signs of wear & age.

GW Instek GFG-8210 Function Generator 10MHz w/ Counter ,Sweep
GW Instek GFG-8210. Function Generator 10MHz w/ Counter ,Sweep. Typical applications include a wide range of audio response testing applications, vibration testing, servo system evaluation, ultra sound applications, and etc.

Texscan SG-677/U RF Sweep Signal Generator Military Cold War Test Gear Tested
• U.S. military contract plate shows SG-677/U, NSN/FSN 6625-00-957-0439, made by Texscan Corporation. We want you to be thrilled with your item and love it as much as we loved finding it!
You save $45.99

Advanced Telemetry Systems ATS R2000 VHF Receiver 164-165.999 MHz
Model: ATS R2000. ATS R2000 Receiver. Frequency Range: 164–165.999 MHz. Marked “Property of North Dakota State University”. Not Included Carry protective bag. Attached cable (as shown) car 12V auxilary power cord.

BK Precision 4040B DDS Sweep Function Generator
Used works well. No cables. No returns

Vintage Carver C-9 Sonic Hologram Generator Fully Working And Tested
Bob Carver C-9 Hologram Generator. The room furnishings usually will color that sound but being out of phase it cancels that likely sound. Its a version of what Polk tried with a dedicated component and speaker system years ago.

Agilent HP 33120-66503 33120A Option 001 PLL Ext. Ref. Card Tested * SALE *
This Agilent HP 33120-66503 33120A Option 001 PLL Ext. Card option ensures that the signals are accurate and stable. Overall, this Agilent HP 33120-66503 33120A Option 001 PLL Ext. All parts are included for installation.

HP Hewlett Packard 620A SHF Signal Generator 8.7-9.6GHz Microwave RF
✅SHF (Super High Frequency) Signal Generator. 🔹RF and microwave enthusiasts. ✅Includes heavy-duty Type N RF lead/cable assembly. ✅Frequency Range: 8.7–9.6 GHz. ✅Serial Number: 959.

HP 8350A Sweep Oscillator w/ 83540B RF Plug-In 2–8.4 GHz
Unit turns on and was working when taken out of service. about 5 years ago, and has sat on the shelf ever since. plugged in for picture.

BK Precision 3010 Function Generator 0.1Hz-1MHz Sine Square Triangle TTL Output
Only the main unit is for sale.
You save $15.17

WAVETEK Synthesized Function Generator model 288
WAVETEK Synthesized Function Generator

HP 3325A Synthesizer Function Generator with OCXO Oscillator Tested Working
Tested working vintage 3325A Synthesizer/Function Generator with internal ovenized time base as well as the 40 volt 0-1 mhz option. All basic functions tested with no problems found. Selling as is , although the the unit will be properly packed, we are not able to guarantee vintage test equipment or accept returns do to extremely high shipping cost for large heavy items.. We fully insure all outgoing parcels.

SOUND TECHNOLOGIES MODEL # 1100A SIGNAL CONDITIONER
HERE IS A GREAT SOUND TECHNOLOGIES MODEL #1100A SIGNAL CONDITIONER FOR AUDIO TESTING ON THE BENCH.SERIAL #105-01606. UNIT PASSES AUDIO FROM SIGNAL GENERATOR TO SCOPE ON TAPE & PHONO.PHONO MODE HAS ALOT OF GAIN ! AS IT SHOULD.UNIT IS VERY CLEAN ON THE OUTSIDE.INSIDES ARE VERY CLEAN.QUALITY BUILD AND PARTS.4 ELECTRO CAPS TEST .2 OHMS ON ESR METER. VERY HIGH QUALITY PARTS.SOCKETED METAL OP-AMPS AND ALLEN-BRADLY POTS.THANKS FOR LOOKING, JOEL

Agilent 33120A 15MHz Function / Arbitrary Waveform Generator With Option 001
HP 33120A 15MHz Function / Arbitrary Waveform Generator. to the 33120A Function / Arbitrary Waveform Generator Simultaneous hardware triggering of multiple Agilent 33120As. With Option 001. The Phase-Lock assembly (Option 001) adds the following capabilities.

Used ELECTRO-TECHNIC BD-10A HIGH FREQUENCY GENERATOR 115 V 6' FT CORD
Electro-Technic BD-10A High Frequency Generator. The unit has beentested and verified working properly. We aren't a storage warehouse and will not hold your item for free forever. Used item. Tested and working.

HP/Hewlett Packard 70310A Precision Frequency Reference Plug-In Module, Agilent

LitePoint z8551 PXIe I/Q Signal Generator
Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs / scratches / blemishes from previous use. Includes PXIe I/Q Signal Generator as pictured. No additional items or accessories are included. Pictures are of one of the actual units available. Inventory is on hand and ready to ship. Please feel free to message us with any questions you may have. .

FEI-Zyfer AccuSync 373-300-11 GPS Synchronized Time Frequency
No power, no AC adapter. We will respond promptly to your inquiry.

SCHUMANN WAVE FREQUENCY GENERATOR V2 PRO USB-C 0.1 HZ-999.99 HZ
Make sure it is exactly what you are wanting. LOW PRICE! MANUFACTURERS WARRANTY IS NOT APPLIED OR TRANSFERRED. Why buy through us?. Have an issue?.

BK Precision 4003A Sweep Function Generator w/ 60MHz Autorange Counter, Used
The BK Precision 4003A Sweep Function Generator is a reliable and high-quality signal generator ideal for precise measurements and testing. With a frequency range of 4 MHz and autorange counter up to 60 MHz, this unit offers accurate and consistent signal generation for various industrial and inspection applications. Made in the United States by the reputable brand BK Precision, this function generator is a valuable tool for ensuring quality control and performance evaluation in a wide range of settings. Includes unit and power cord normal signs of use scratches scuffs etc see photos

Agilent 10MHz Function/Arbitrary Waveform Generator 33210A USED

FM Schumann Resonance Generator 0.01Hz-299999Hz Adjustable Schumann Wave 7.83Hz
FM Schumann Resonance Generator 0.01Hz-299999Hz Adjustable Schumann Wave 7.83Hz may lead to better sleep. The problem that i see with this machine is the place that the power cord connects to has been broken and needs to be soldered. Let me know if you have any questions.
You save $5.24

HP 8648C Synthesized Signal Generator ( 9 KHz - 3200 MHz )
The item in the photos will be the one you receive. What is included.

Vintage HP 618C SHF Signal Generator 3.8-7.6GHz RRE Radar Military Tested Works
• Covers the 3.8–7.6 GHz microwave / SHF range; front panel is marked 3.8–7.6 GHz. • Tested and working as intended. We want you to be thrilled with your item and love it as much as we loved finding it!
You save $69.99

HP Agilent Noise Generator/Source 05255-6009 Vintage Military Waveguide NOS
HP 05255-6009 Noise Generator.

EICO Model 377 Sine and Square Wave AUDIO GENERATOR 4 Band 20-200,000 Hz Works!
Item: 1950's Model 377 Sine and Square Wave AUDIO GENERATOR. Sine Wave: Stable from 0 to Approx 10-13 Volts RMS. Tube Type Signal Generator. 20-200,000 Hz Across 4 Bands. Square Wave: Clean up to Approx 30kHz.

Wandel & Goltermann SPM-11 15 Hz-200Khz + PSE-11 + SPMZ-111 READ WELL
Segnalo alcuni falsi contatti da pulire.

HP Hewlett Packard 8656B Signal Generator 0.1-990 MHz OPT Rack Mount Powers On
Unit powers on and responds to button inputs. Small crack on corner as pictured. This was part of a NASA surplus removal and so far everything powers on and has been well maintained. This his could have been a custom build?.
You save $42.00

Heathkit IG-102 RF Signal Generator - Tested Working
The Heathkit IG-102 RF Signal Generator is a reliable and functional unit designed for generating RF signals within the frequency range of 100 kHz to 110 MHz. Manufactured by Heathkit in the United States, this signal generator is a valuable tool for testing and measurement applications. With a focus on precision and quality, this RF signal generator is ideal for professionals and enthusiasts in the field of signal sourcing and conditioning. I pugged this in and it works

Fluke 6080A/AN Synthesized RF Signal Generator 500KHZ-1024MHZ -Free shipping
Condition: F4-C3. Used Good Working. (Cables, User manual or any other accessories are not included).

Leader LFG-1300S 2.0 MHz Sweep Function Generator 108-132V 50/60Hz Tested
Includes Function generator. Manufacturer Leader. This item was tested for Key Functions, R2, Ready for Resale. We will always try and find a solution if you have an issue with your order. Model LFG-1300S.

Tektronix TLS 216 Logic Scope--Lights ON--UNTESTED--AS IS #21
You may not get the exact unit(s) pictured depending on the quantity listed. POWERS ON ONLY!

Gray Engineering DR-107B SMPTE Data Receiver Character Generator Powers On
Gray Engineering Laboratories DR-107B SMPTE Data Receiver. Unit powers on successfully. Sold as shown in photos.