Found in Motorola's 1967 documentation this circuit can use any general-purpose transistor. The signal should be applied to a good amplifier. The noise diode can be replaced with a common one.
Author: Newton C. Braga Published:July 5, 2016 Formato:Book and e-Book Pages:...
This circuit can be used in alarms by activating a relay or a current load that depends on the...
This circuit for the 1.5 to 15 V scaled ranges was found in a 1982 documentation, but uses current...