my first delve with a (npn) transistor curve tracer.
im using a genuine TI LMC555 & TLV2472AI(R2R) op-amp. free samples from way faar away years ago. power supply is around 5.5Vdc. npn is 2N3904(fleabay) and pnp 2N2907, also flea.
DUT is 2N2222 (flea)
Nanovna SAA-V2 Vector Network Analyzer 10KHz~3GHz HF VHF UHF Antenna Analyzer 3.2" inch Touchscreen with Case,Measuring Duplexer, The Filter,S Parameters, Voltage Standing Wave Ratio, Phase,Delay
$109.99 (as of March 23, 2023 10:16 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)NEW UPGRADE FNCTION : Own our Seesii 3GHz Vector Network Analyzer,you can test the standing wave impedance of the antenna, you can also debug the duplexer, the insertion loss of the filter, the isolation, the standing wave, you can also test the atte... read more
NanoVna SAA-2N VNA Antenna Analyzer,SEESII 50KHz -3GHz Vector Network Analyzer with Bag & Testboard Kit,4" inch LCD,HF VHF UHF Measuring S Parameters, Voltage Standing Wave Ratio Smith Chart
$149.99 (as of March 23, 2023 11:02 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【Upgraded NanoVNA SAA-2N V2.2 Version】Not only testing standing wave impedance of the antenna, can also debug the duplexer, the insertion loss of the filter, the isolation and testing the attenuation of the cable, shorten the coefficient, the phase, ... read more
Nooelec NanoVNA v2 (S-A-A-2) - 50kHz-3GHz Open Hardware Vector Network Analyzer w/EMI Shielding, SOLT Calibration Kit & Cables. Support Innovation-Portion of Profits Donated to Original VNA Designer
$120.00 (as of March 23, 2023 05:17 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)A small, portable, battery powered vector network analyzer with a wide frequency range from 50kHz to 3GHz Able to measure S11 reflection coefficient and S21 transmission coefficient A beautiful 3" inch, 320*240 display with 1950mAh rechargeable lithi... read more
MegiQ VNA-0460e-SB Three Port Vector Network Analyzer 6GHz with VNA Sandbox
$5,039.00 (as of March 23, 2023 06:37 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)2½-port bidirectional VNA, Measure S11, S12, S21, S22, S13, S23. Frequency 400MHz to 6GHz. Power -30 to +5dBm. Sweep up to 20001 points. Sweep speed up to 4000 samples per second. Port calibrated, Full 12-term normalization, Parametric sweeps, Match ... read more
Upgraded NanoVNA-F V2 Vector Network Analyzer 50kHz-3000MHz HF VHF UHF VNA Antenna Analyzer 4.3 inch with 5000mA-h,Measuring S-Parameter Voltage SWR, Phase, delay, Smith Chart
$159.99 (as of March 23, 2023 08:14 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【4.3 inch Large Touch screen and powerful function】Handheld Vector Network Analyzer using 4.3-inch IPS TFT LCD screen, with a larger view angle and can be seen clearly in strong outdoor light.which can measure S-parameter, voltage standing wave ratio... read more
NOCO GENIUS2D, 2A Direct-Mount Onboard Car Battery Charger, 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for AGM, Marine, Truck and Deep Cycle Batteries
20% OffMeet the GENIUS2D - A direct-mount onboard battery charger for an under-the-hood battery charging. It's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator. Do more... read more
MaximalPower RHF 617-1N 3.5mm RECEIVER/LISTEN ONLY Surveillance Headset Earpiece with Clear Acoustic Coil Tube Earbud Audio Kit For Two-Way Radios, Transceivers and Radio Speaker Mics Jacks , Black
$11.32 (as of March 23, 2023 13:17 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly... read more
Emergency Radio Hand Crank Solar, Wind Up Solar Radio Flashlight Cell Phone Charger 2000mAh Battery Portable AM/FM/NOAA Weather Radio SOS Alarm for Camping Hurricane Earthquake Home &Outdoor Emergency
$19.85 (as of March 23, 2023 13:17 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)❤【2000 mAh Rechargeable Battery keep devices powered】WARLOVPO wind up solar radio incorporates a 2000 mAh built-in large battery capable of providing emergency power to any small tablet or cell phone. The emergency radio is a valuable and necessary e... read more
Battery Tender Junior 12V Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for Motorcycle, ATVs, and More - Smart 12 Volt, 750mA Battery Float Chargers - 021-0123
13% OffSTAY CHARGED: Battery Tender battery chargers and maintainers provide a full charge to your powersport vehicle’s battery before switching to float mode to maintain proper voltage levels for safe, long-term storage EXTEND BATTERY LIFE: Compatible with... read more
pxton Walkie Talkies Rechargeable Long Range Two-Way Radios with Earpieces,2-Way Radios UHF Handheld Transceiver Walky Talky with Flashlight Li-ion Battery and Charger（2 Pack）
$28.99 (as of March 23, 2023 14:03 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【After-sales service】 pxton walkie-talkie, provide return and money back service within 30 days and lifetime customer service. If you have any problems, please tell us through the Amazon platform,our professional team will solve your after-sales prob... read more
Eton American Red Cross FRX2 Hand Turbine AM/FM/NOAA Weather Radio with USB Smartphone Charger and LED Flashlight (New 2023 Version)
$39.99 (as of March 23, 2023 13:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Hand Crank Radio: A compact emergency radio that can easily be stored in a safety kit or tossed in your backpack, it can endure any extreme outdoor condition or emergency; Features AM/FM/NOAA weather bands. Emergency Essential: Includes a crank power... read more
Universal Engine Ground Strap Automotive, 3 Pcs 10" x 1/2" & 2 Pcs 13" x 1/2" Professional Vehicle Grounding Straps, Ground Cable Strap Kit, Automotive Wire Ground Strap for Most Cars, Ring Terminals
$10.99 (as of March 23, 2023 19:37 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)【High Quality Material】The car ground strap automotive surface is tin-plated, and the braided wire process is used, it has good flexibility, is not easy to break, and is suitable for long-time use. It can serve you well. The holes of the ground strap... read more
BAOFENG UV-5R Dual Band Two Way Radio (Black), 144-148MHz & 420-450MHz
$19.97 (as of March 23, 2023 16:35 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)128 Channels 50 ctcss and 104 CDCSS dual-band display, Dual Freq. Display, dual-standby, a/B band independent operation | High/low TX power selectable: busy Channel lock-out(bclo). Tri-color background light selectable: 0-9 grades vox selectable | FM... read more