QRP driver/final
Hello all, I`m newly licensed last year but I`m kind of doing things the old way; getting heavily into CW and homebrewing. I`ve built a few simple receivers, an...
Hammarlund HQ 129X
Hello, I have been doing AM thing with a Transmitter, a dow key, # and a Hammarlund HQ-129X with a send receive switch on the front pannel. The manual send/rece...
Digitally controlled FM transmitter with 2 line LCD display
Each step will result in a self functional unit. In the end of this journey, you will be able to link the steps together into a very powerful FM transmitter. Th...
USB FM Transmitter Circuit
Here`s a small FM transmitter ciruit for your desktop or laptop to enjoy the movie and music from a distance. This FM transmitter, which is powered by USB, reco...
ANTENNA DESIGN FOR FM TRANSMITTER
Two aluminum rods, each of length "L" in meters are joined together through an insulator as shown in fig. From center, 75 ohm cable is feeded just like ordinary...
FM TransmitterCircuit & Project Kits
The transmitter is built on a Printed Circuit Board. This board uses track inductor for L1, L2 and part of L3. The section built around Q1 is the oscillator sec...
FM SCHEMATICS
FM amplifier is used for amplify signal from exciter in broadcast radio station. In this page, RF FM Amplifier uses solid state material with minimum gain 9dB. ...
TDA7000 Single Chip FM Radio
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PLL FM Demodulator Circuit Module
This is a circuit about PLL system that can be used to implement an FM demodulator. Since the VCO output tracks the FM signal, and the VCO input voltage is prop...
FM radio receiver
Covering FM radio reception frequency, by adjusting the L value (La stretch or compression coil L) can easily change the transmission frequency to avoid the FM ...
ne602 vhf circuits
Radio-frequency schematics (also see. ne602 datasheet and application note,.This page contain electronic circuits about Electronic RF receivers Circuits. This i...
2 Watt FM Transmitter
The circuit is basically a radio frequency (RF) oscillator that operates around 100 MHz. Audio picked up and amplified by the electret microphone is fed into th...
Radio Frequency Circuits
This page provided to the domain owner free by Sedo`s Domain Parking. Disclaimer: Domain owner and Sedo maintain no relationship with third party advertisers. R...
TV Transmitter Audio and video IC LM1889
This small circuit transmitter processes the signs of audio of a table or microphone, and the signs of video of a camera, or still the audio signs and video of ...
Repair Notes for Bendix Model 3TBD AM Radio
Externally, the chassis looks identical to the 22BD. Exception: the 22BD has the jack for the speaker connection - two female sockets - on the right (antenna) s...
transmitter circuits 4
If the audio input is a microphone it will be supposed precedes amplifier so that it acquires a force of order of 8W roughly. The amateur that wants it strength...
The AA8V Twinplex Regenerative Receiver
The antenna coupling capacitor is a critical component in a regenerative receiver without an RF stage, like the Twinplex. In such a receiver, the antenna is an ...
The AA8V/W8EXI 6CL6 One-Tube Transmitter
The operation of the 6CL6 transmitter is actually quite sophisticated, despite the simple appearance of the circuit. The heart of the circuit is the electron-co...
Wide band power detector to control microwave station
The particular interest of the ADL5519 is focused on bandwidth which is specified up to 8GHz (but still usable in 10GHz with reduced dynamic). With two channels...
Long range FM transmitter
This is very stable, harmonic free, long range fm transmitter circuit which can be used for fm frequencies between 88 and 108 MHz. This can cover 5km range (lon...