UHF amplifier (CB10063E)

This amplifier was found in a 70s documentation. The product gain x bandwidth is 350 MHz. The integrated circuit is from that time, uncommon today.

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Tone Generator (CB25095E)
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Overvoltage Switch CA3140 (AC)
This circuit was found in the June 1986 issue of Radio Electronics magazine. It is based on two...
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