1 Watt Universal RF Amplifier
Parts: Q1 Transistor: 2N5109, MRF227, 2N4427, 2N3866 Specifications: Voltage Supply: 12 - 15V Description This is a universal 1 Watt RF class C amplifier that is ideally suited for low power FM...
View ArticleBA1404 - HI-FI Stereo FM Transmitter 88 - 108 MHz
BA1404 Stereo FM Transmitter Components: BA1404 IC 38KHz Crystal L1 - 3.5 Turns Variable Coil 1x PCB 1x 38KHz Crystal Oscillator 1x DIP-18 IC Socket 1x 3.5T Variable Precision RF Coil 1x 10uH Inductor...
View Article0-500MHz PIC16F876 RF Power Meter
0-500MHz PIC16F876 RF Power Meter RF Measurement has been an expensive work so far the cost of measuring instruments are concerned. RF Meter is based on PIC16F876 microcontroller, AD8307 and 2x20 LCD...
View ArticleBH1417 Stereo PLL FM Transmitter
Parts: 1x BH1417 - Stereo PLL Transmitter IC (Case SOP22) 1x 7.6MHz Crystal 1x MPSA13 - NPN Darlington Transistor 1x 2.5 Turns Variable Coil 1x MV2109 - Varicap Diode 1x 4-DIP Switch ANT - 30 cm of...
View Article0.1 - 3.5GHz Prescaler
0.1 - 3.5GHz Prescaler This handy prescaler divides input frequency by 1000. It takes maximum input frequency of 3.5GHz and converts it into 3.5MHz that may be measured using standard frequency meter.
View ArticlePhone FM Transmitter
Phone FM Transmitter This Phone FM transmitter connects in series to your telephone line and transmits the telephone conversation over the FM band when you pick up the telephone handset. Transmitted...
View Article1 Watt Four Stage FM Transmitter
1 Watt Four Stage FM Transmitter This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transistor BF200 (T2), a...
View Article2KM Long Range FM Radio Transmitter
This long-range FM radio transmitter has an additional RF power amplifier stage, after the oscillator stage. The extra RF power amplifier used to strenght up the power output to become 200-250...
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