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If anyone finds this thread, and the radio you're working on has been hacked by an golden screwdriver, check the ferrite cores, this Cobra 2000 flaked out, VCO was constantly going out of lock, my friend was not happy... I changed every capacitor in that radio, but over looked the damaged...
"HiFi" for a more robust, and rich sound!
Shout out to Rev Bow, for the BME thread + schematic, shout out to CBPhreaker for the Wabi-Sabi mod. (Darlington Pair)
Nomad is correct, without "rebuilding" the RF section around the decrease in voltage the radio output = QRP.
If one wanted to go...
This is just the basic idea.
Credit should go to CBphreaker whos excellent work and kind mentorship brought these mods to light.
A.) Disconnect the 10.240MHz signal from the TX mixer. Build a 10.695MHz oscillator and inject this signal into the mixer instead.
Add a SPST switch (tied to...
Hello all,
I am Considering Operating a CRT Oscilloscope from a Gasoline Generator.
Are there any precautions I should be taking to avoid potential E.M./R.F. interference contaminating my signal sample?
Would a D.C. battery bank and full sinewave inverter help me in this regard?
Would a...
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