13Jan 8
DIY Grid Dip Meter Teardown https://hackaday.com/2026/01/07/diy-grid-dip-meter-teardown/
#RadioHacks #RepairHacks #Teardown #Griddipmeter #Griddiposcillator #Triode
DIY Grid Dip Meter Teardown

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The idea was to have an oscillator and measure the grid current as it …

Hackaday
GeekProjects NewsDec 9, 2023
Marconi Circuit Magnification Meter Gives Up Secrets https://hackaday.com/2023/12/09/marconi-circuit-magnification-meter-gives-up-secrets/ #circuitmagnification #griddiposcillator #Teardown #Marconi #qmeter
Marconi Circuit Magnification Meter Gives Up Secrets

[Thomas] picked up a Marconi TF1245 with dents and dings. We have to admit that we had not heard of a “circuit magnification meter,” but apparently, this was a thing in the late 1960s a…

Hackaday