Modulated Oscillator (CB26007E)

We found this circuit that can reach 50 MHz in the February 1997 Electronics Now magazine. The integrated circuits used are not very common today.

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Field intensity meter (CB7562E)
This amplified circuit was found in a magazine for radio amateurs 73 of the 90s. The circuit uses an...
FM Transmitter Power Stage (CB19435E)
We found this circuit in a 1980s publication on espionage. The transistors support modern...
Commercial Portable MW Radio AT235 (CB18430E)
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