Transcription of Unusual Frequency Dividers - techlib.com
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Unusual Frequency Dividers - techlib.com
1/2, k0 - 80 pF2 k2 k5 k0 - 5 V, 24 MHz6 MHz+ 5 VDCThe following circuit uses a 75140 line receiver to form an injection locked circuit is similar to the common op-amp square-wave oscillator with values selectedto keep the voltages within the recommended operating ranges. The Frequency to bedivided is coupled through a 5k resistor to the positive feedback input of the comparatorsuperimposing a volt squarewave. The small squarewave toggles the comparatorwhen the sawtooth voltage on the capacitor comes close to the DC level on the positivefeedback input.
1/2, 75140 1.5 k 1.5 k 0 - 80 pF 2 k 2 k 5 k 0 - 5 V, 24 MHz 6 MHz + 5 VDC The following circuit uses a 75140 line receiver to form an injection locked oscillator.
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