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.
We show only one of the channels of an excellent audio preamplifier with the LM382 integrated...
Found in an Electronics Now from the 90s this mixer has several inputs. The integrated circuit can...
The circuit shown was found in a 1988 documentation, giving an indication of value in an...