The figure shows how to drive a load up to 300 mA with an LM3900. The transistor can be a BD136. We found this setting in the 1994 National Semiconductor Linear Applications Handbook.
This circuit can be used to listen for SSB signals on receivers that do not have the built-in...
This configuration was found in Raytheon's circuit manual from the 1960s. The circuit has an...
Tem The CMOS oscillator illustrated in the figure has a frequency that depends on the temperature sensor, a...