1W RF Power Amplifier for iPOD Stereo FM transmitters
1W RF Power Amplifier for iPOD Stereo FM transmitters This project explain how you can build and connect a powerful 1W amplifier to your FM transmitters.A perfect solution for those wishing to listen...
View Article15dB UHF TV Antenna Booster
15dB UHF TV Antenna Booster This is an UHF band TV antenna preamplifier circuit With 15dB gain to build easily. It is formed based on BF180 UHF Transistor. The first stage is an band pass filter...
View Article100W Transmitter Amplifier for 2200m
100W Transmitter Amplifier for 2200m This particular transmitter was later shipped up to VY1JA in the Yukon where, thanks to Jay's excellent antenna system, it was heard in Europe as well as in New...
View Article1GHZ Frequency Meter
1GHZ Frequency Meter This is 1GHz frequency counter with 100KHz resolution. Meter is built in around PIC16F84A microcontroller and SAB6456 / U813BS prescaller.
View Article1KM Power FM Transmitter
1KM Power FM Transmitter This small power FM transmitter can transmit more than 1 km in good conditions. The modulation can be made so much with a microphone or audio source. Circuit of power fm...
View Article1.3W VHF RF Amplifier 2SC1970 88-108 MHz
1.3W VHF RF Amplifier 2SC1970 88-108 MHz This RF power amplifier is based on the transistor 2SC1970 and 2N4427. The output power is about 1.3W and the input driving power is 30-50mW. It will still get...
View Article100W Transmitter RF Power Amplifier 2SC2782
100W Transmitter RF Power Amplifier 2SC2782 This is a 6m band transmitter RF power amplifier (50 MHz) with 100W output. It used with my FT-736R and drive from 10W for the 6m SSB DX. The Building...
View Article1W FM Transmitter
1W FM Transmitter A very good 1 watt fm transmitter circuit, very easy to build circuit. It has 4 transistors, one is a very stable oscillator, followed by a buffer stage to prevent frequency variation...
View Article1.5V Battery Operated Rebroadcast FM Transmitter
1.5V Battery Operated Rebroadcast FM Transmitter This implementation is adapted to rebroadcast the output of a CD player, television receiver, or radio receiver. I use it so that I can move about the...
View Article1W Linear FM Booster
1W Linear FM Booster This RF Amplifier is used for boosting small fm transmiters and bugs. It use two Philips 2N4427 and its power is about 1Watt. At the output you can drive any linear with BGY133 or...
View ArticleSingle Chip FM Transmitter
Parts: IC1: MAX2606 L1: 390nH Specifications: Voltage Supply: 3 - 5V Frequency: 88 - 108MHz Description A simple FM transmitter links your home-entertainment system to a portable radio that can be...
View Article1.5V FM Broadcast Transmitter
1.5V FM Broadcast Transmitter The objective of this 1.5V FM Broadcast Transmitter design is to provide a simple low-power transmitter solution for broadcasting audio from various audio sources. This...
View Article1W Long Range FM Transmitter
1W Long Range FM Transmitter Long range, very stable, harmonic free, FM transmitter circuit which can be used for FM frequencies between 88 and 108 MHz. With good antenna transmitter can cover 5km...
View ArticleTX-200 - 200mW FM Transmitter
Parts List: R1 - 47K R2 - 22K R3 - 39K R4 - 100 R5 - 27K C1, C2, C4, C5, C9 - 1n C3 - 4.7uF C6 - 15pF C7 - 6.8pF C8 - 75pF C10 - 100nF C11 - 2pF C12 - 10pF C13 - 100uF Q1, Q2 - BF199 L1 - 3.5 turns /...
View Article1.5V Tracking Transmitter
1.5V Tracking Transmitter With this circuit you can build a very small tracking transmitter that can be tracked using a FM broadcast band radio receiver. The transmitter can be powered from any 1.5V...
View Article1 Watt PLL FM Broadcast Transmitter
1 Watt PLL FM Broadcast Transmitter This is a 1 Watt PLL FM broadcast transmitter. The RF output varies from 500mW to about 1.2W depending on the frequency selected and RF output transistor used....
View ArticleTX-300 300mW FM Transmitter
This power meter will let you test both the output power of Q2 (VHF amp) and Q1 (oscillator). Circuit is now on the separate board so you can fit the main circuit of the smaller PC board. About TX300 -...
View Article1.5W VHF Amplifier
1.5W VHF Amplifier This project will explain the basic function of a class-C transmitter.I will explain how to dimension a transmitter and the purpose of the different components.I will also explain...
View Article1 Watt QRP Power Transmitter
1 Watt QRP Power Transmitter The 1 watt 20 meter QRP transmitter with VXO. This is a nice QRP transmitter that can be used in combination of one of the simple receivers.Normally these designs have only...
View Article100W FM AMPLIFIER
100W FM AMPLIFIER This Power amplifier is equipped with a bipolar transistor,the famous MRF317As lots of FM amplifier application ,the power transistor is in a C class bias.All the impedance networks...
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