This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
This circuit of a few watts of power shows a typical configuration from the 70s using driver and...
This simple circuit indicates the logic level of a TTL output. The resistors can be 1k and the...
This circuit was found in Motorola's 1967 documentation. The circuit makes use of power...