Flash memory programming power source (CB9322E)

This circuit was found in Maxim's documentation from the 90's. The circuit provides 12 V x 120 mA.

2400 Hz Neon Oscillator (CB21457E)
Found in an old documentation about neon lamps, this circuit has the frequency basically...
Standing Wave Ratio Meter (CB4121E)
This simple standing waveform (ROE or SWR) meter is used to adjust antenna matching with...
High Pass Filter with Operational (CB19677E)
This is the traditional configuration of a high-pass filter with an operational amplifier, such as...