This circuit that has a response from 10 Hz to 700 kHz was found in Philips documentation from 1968. Dual transistors can be replaced by matched pairs.
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...