Home-brew Lab
Got A LCR
with series fixture made by TongHui.
Fix or broken the ham devices!
Test Instrument Technical Articles
Tektronix 465B B Sweep Fix
B sweep signal flow and control logic.
Located faulty component by calculation and reasoning, which I never done ever...
Tektronix 495P fix and Alignment
Long fixing story, learning by fixing, It's so fun!
Boonton 92B MilliVolt meter
Boonton 92B fix a broken meter face.
Boonton 92B has a brutal force amplifier that makes the diode detector output flat against power. Even without the original detector, It's still an interesting millivolt meter..
HP8662A ( In Queue)
Tec 485
Restoration Tek 485 @May/2020 fixed.
HP8565 Spectrum analyzer
HP8558 SA (Almost fixed)
HP-21 Alike Cavity Oscillator
HP8640B
HP8640B -20V Power Supply Down Fixed at 18/8 2019
HP3312 Function Generator
3D prints
3D machines
OpenRC
Tek 475
Tek 475 Restoration @ Jan 2019
Tek 464 (Not Finish)
Two Tek 465
Fix One Rear Tek-465 Acquisition at Nov 2017, fix it at Jan 2019
Wired Collections
Bold Transistor @Mar/6 2016
Can Capacitors @22 Oct 2015
Metalize Film@22 Oct 2015
Oscilloscope @2011/8 (sold)
This is my first lab rig. what ever, you are blind to circuit without Scope.