200 MHz crystal oscillator (CB9619E)

This circuit was found in a1980s Motorola documentation. The integrated circuit is from that time. The frequency depends on the crystal.

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Sensitive Field Strength Meter (CB14900E)
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This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...
Unijunction timer (CB21700E)
We found this circuit on the internet. The components are current, and the time depends on C1...