Radio

9V FM Radio Transmitter

Here the simple and low cost FM transmitter circuit. The frequency range of this FM transmitter should be about 89MHz…

55 years ago

100W RF Amplifier with BLY94

This is a 100W RF amplifier built based on RF power transistor BLY94. Active components: BLY94 Coaxial cable length :…

55 years ago

UHF TV Antenna Booster

This is the circuit diagram of UHF band TV antenna booster with 15dB gain power. This low cost antenna booster…

55 years ago

15W FM RF Amplifier with 2SC2539

This is a 15W FM RF amplifier circuit which build based on RF Power Transistor 2SC2539. 2SC2539 is a silicon…

55 years ago

FM Wireless Microphone

Below is the circuit diagram and PCB layout of FM wireless microphone: The range of frequencies for the FM broadcast…

55 years ago

Active FM/AM/SW Radio Receiver Antenna

This is an active FM/AM/SW radio receiver antenna, can be used for FM radio receiver, AM radio receiver and SW…

55 years ago

15W FM Transmitter using BLY88C

This is long range FM transmitter with transmision power output is up to 15W. This 15W FM transmitter use power…

55 years ago

Mini FM Transmitter

This is a mini fm transmitter circuit. I think this is the simplest one. Simple, easy and of course... inexpensive...…

55 years ago

Mini AM Transmitter

This is the simple and low cost AM transmitter schematic diagram built using transistor BC109C. The circuit is in two…

55 years ago

Mini FM Transmitter with 2 Transistors

Here the simple and low cost FM transmitter which powered using two transistors. This circuit may be tuned to operate…

55 years ago