Crystal oscillator (CB9637E)

Found in a 1980s American documentation, this circuit has a current consumption of only 1 mA. The crystal can be from 100 kHz up to a few megahertz.

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UHF amplifier (CB10063E)
This amplifier was found in a 70s documentation. The product gain x bandwidth is 350 MHz. The...
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With the values indicated for this circuit, the lamp will flash 60 times per minute (1 per...