donald wrote:

Question : In the 74HCT9046BCN - does a high on the inhibit line Knobble
the P/F detectors as well as the VCO?

I've never had occasion to use the INH pin. The 2009 NXP datasheet says it shuts down the whole circuit:

"The inhibit function differs. For the 74HCT4046A a HIGH-level at the inhibit input (pin INH) disables the VCO and demodulator, while a LOW-level turns both on. For the 74HCT9046A a HIGH-level on the inhibit input disables the whole circuit to
minimize standby power consumption."

Best regards,

Charles


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