This crystal oscillator generates a 20 MHz signal. Equivalent transistors such as BF494 and 2N2222 can be used. The stabilizing diodes can be 1N4148.
This circuit was found in a Radio Electronics magazine from November 1991. The circuit operates at 2.2...
April 2017 - The Shields of Seed Grove Modules for Intel Joule can now be obtained from Mouser...
The circuit shown is from the 1960 Mullard transistor reference manual. The circuit has a common...