-1
votes
0answers
35 views

Can't transmit a BPSK modulated signal

I'm currently working on a BPSK transmitter and receiver. The problem is I don't know what I am missing and can't transmit/receive a data. My supply is 12v and -12v. So I'm trying to send a varying ...
-1
votes
1answer
80 views

Separate antenna for radio transmitter and receiver

I am building a HAM radio. Do I need a separate antenna for transmitter and receiver? I will be using 20m band and voice communication (No Morse code). My primary requirement is that I should be able ...
5
votes
3answers
2k views

How to build cheap radio propagation beacon?

I want to build a Radio Propagation Beacon but I would like to find an integrated circuit that does most or all of the work of the transmitter. Transmit to 28Mhz (Ham 10-meter band) Allow me to ...