Posted inRF - Radio Circuits
FM wireless transmitter circuit
This the fm wireless transmitter circuit, the truth is one kind microphone that developed to be used without a cable from the microphone to the amplifier.
Posted inRF - Radio Circuits
Simple Frequency Divider using one transistor BC549
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.
Posted inRF - Radio Circuits Meters & Detectors
3 Simple AC Wattmeter circuits
If you are looking for AC power measurement. To use it just a little, which is not worth it. When we need to buy an expensive tool. Because use little…
Posted inRF - Radio Circuits
Long range fm transmitter circuit,2W(2 km) 88-108 MHz frequency VHF
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.
Posted inRF - Radio Circuits
FM transmitter circuit without coil
This is FM transmitter circuit without Coil, using inverter digital IC as main and controlled frequency is precise by a crystal. In Figure 1 is RF oscillator circuit which use…