If you looking for simple frequency divider circuit. This may be suitable for you. It will divide a frequency of input signal into just half to output.
More circuits about oscillator, pulse, frequency , and others.
This is 60Hz calibration frequency standards for digital clock. As 50hz or 60hz frequency generator at TP 3.579MHZ. power supply 12V.Out put Frequency 60HZ [...]
Simple circuit that you may need it. learn more!
This is long range fm transmitter circuit in VHF range. As Figure 1 Sonar with up to 2 watts, when used with a supply voltage of about 24V.
This is a sample pulse generator using op amp. We often use 555 timer to build a simple pulse generator. The op amp is also easy in oscillator form. More!