[time-nuts] hammond 77589

[Jean-Louis Noel]

Hi Ed,

From: "Ed Breya" <eb at telight.com>

>I just noticed one more thing - if the NTC thermistor in the schematic 
> is the actual one that senses the oven temperature, then the oscillator 
> and bridge are one in the same. If this is the case, then the oscillator 
> amplitude could be proportional to bridge imbalance - if the NTC is 
> being balanced by the 1414 ohm resistor.

Yes, it is.
It works in AC at 315 Hz.

Thank you so much.

Bye,
Jean-Louis