Charlie Morris, ZL2CTM
Amateur Radio Homebrew Experiments
Friday, 13 November 2020
Go QRP Portable SSB Rig
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IF Amplifiers (1st and 2nd) VFO, BFO Frequencies and AF Amplifier LPF after RF PA Receive-Transmit Switching Microphone Amplifier RF PA Ar...
Thursday, 25 June 2020
Digital Modes Transceiver
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Initial CAT Code. The radio emulates a Kenwood TS-480. ( https://www.kenwood.com/i/products/info/amateur/ts_480/pdf/ts_480_pc.pdf ) Refer t...
9 comments:
Sunday, 3 May 2020
Shortwave Receiver
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VFO BPF, RF Amplifier, IF Amplifier, AM Envelope Detector Final detector was a infinite impedance...
14 comments:
Saturday, 21 March 2020
Homebrew CW Rig
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Please see the YouTube videos for an explanation on the code and circuits: https://www.youtube.com/channel/UCSNPW3_gzuMJcX_ErBZTv2g/ Crys...
5 comments:
Saturday, 15 February 2020
Homebrew DSB-SC Rig
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AF Amps Ideas The AF amp now has a pi filter on the input made up of 100nF - 1mH - 100nF That removes the high freq nois...
9 comments:
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