30 MHz Amplifier (CB5939E)

This low noise circuit was obtained from a 1980s US RF publication. Transistors used are uncommon today and the gain is 19 dB..

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1 to 1 Astable Using the 555 (CB863E)
An stable multivibrator with 50% of duty cucle can be mounted using the 555 as shown by the...
LM3900 Pulse Generator (CB25180E)
This circuit uses a Norton operational amplifier to generate 1 kHz pulses with a 1 to 60...
JFET Microphone Amplifier (CB20010E)
This circuit, with a configuration like to many that we can find in this section, was suggested by a...