This circuit generates signals for adjustments in FIs of 10.7 MHz. The transistors can be BC548 or equivalent. We found this configuration in a documentation from the 70s.
Indicated for automotive applications, this circuit was published in the July 1983 issue of Radio...
Found in an Electronic Design from the 90s, this sophisticated continuity tester uses operational...
This amplifier was obtained from the CA3140 datasheet, an operational amplifier with JFET at the...