If a solution other than employing a PIN diode is suitable may I suggest the following circuit arrangement using an amplifier and transistor. This circuit was employed on a loudspeaking telephone and
Dear Roelof I would also like a copy of the pdf summary of your mini whip. Seeing that a lot of us are interested perhaps you might consider providing it as an attachment to you next communication wi
Many thanks John. My company TDR Ltd no longer exists and it would be wrong to continue with that name. My email address (cameo_ etc.) is known by many persons and organizations and would cause confu
You could use the windows API for MSComm. I include the example given, it should point you in the right direction if you have Visual Basic and look up the help for MSComm == MSComm Control Example Th
