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Low Dead Key Realistic TRC 447
- Thread starter Recon
- Start date
This particular radio has no built-in feature for this. The add-on variable-carrier kits sold for Cobra 29 type radios will work on this one.
But only if the tech that does the install can work out the instructions for him/herself. The schematic diagram for that radio is on CB Tricks.
But there is no convenient wire jumper that can be removed from the circuit board and replaced with a carrier-control circuit.
As a rule, this involves cutting a gap in one copper foil trace on the circuit board, and hooking it to each side (the right side) of the cut.
There might be a detailed "how-2" for this online somewhere. Never have looked for it.
73
But only if the tech that does the install can work out the instructions for him/herself. The schematic diagram for that radio is on CB Tricks.
But there is no convenient wire jumper that can be removed from the circuit board and replaced with a carrier-control circuit.
As a rule, this involves cutting a gap in one copper foil trace on the circuit board, and hooking it to each side (the right side) of the cut.
There might be a detailed "how-2" for this online somewhere. Never have looked for it.
73
A single final radio into a 10 pill doesn't need the dead key lowered unless you are going to use a driver.
That's interesting. My friend is the original owner of this four-watt dead-key TRC 447 and the cover has never been removed and it works great. We do not have any knowledge with radios / electronics.
We can connect it to a two-pill or ten-pill and see what happens because he would like to use it for DXng but on AM only because both amps do not have the SSB delay. Would a four-watt dead-key drive the ten-pill?
With the two pill I would lower the deadkey, but if you are going to drive the 10 pill with only the radio, and NEVER the 2 pill in line as a driver, than leave the radio alone.
Personally I would want something with a variable power on the radio and use the 2 pill as a driver for the 10 pill as the radio drive alone will never reach the full potential of that amp.
A few minutes ago I experimented with my 2980 connected to the ten-pill. I reduced the dead-key down to 4-watts and as I expected, it barely had enough oomph to run the ten pill. I am assuming I would get similar results with the TRC 447. Oh well........nothing gained......nothing lost.
I appreciate the replies and suggestions from everyone.
