This circuit generates signals whose frequency depends on C1 and C2. JFETs are common types like BF245 or MPF102.
This micro AM radio will tune strong stations in the frequency range between 530 and 1,600 kHz....
This unijunction buzzer configuration appears in this section from many publications and sources. The...
This counterphase output step was obtained in a Japanese magazine of 1957, a time when the...