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Lowest Phase Noise PLL Synthesizer Using Fractional-N Technology – Circuit Schematic
Lowest Phase Noise PLL Synthesizer Using Fractional-N Technology
The ADM1066 is a configurable supervisory/sequencing device that offers a single-chip solution for supply monitoring and sequencing in multiple-supply systems. ...
PLL Frequency Synthesizer – Circuit Schematic
PLL Frequency Synthesizer
The ADF4252 Fractional-N Synthesizer when combined with a VCO and loop Filter forms a complete phased locked loop (PLL). This solution from ADI creates state-of...
2SK543 FM Tuner VHF Band Amplifier – Circuit Schematic
2SK543 FM Tuner VHF Band Amplifier
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FM Tuner VHF Band Amplifier – Circuit Schematic
FM Tuner VHF Band Amplifier
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VHF/UHF Mixer Local Oscillator – Circuit Schematic
VHF/UHF Mixer Local Oscillator
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AM/FM Transmitter schematics – Circuit Schematic
AM/FM Transmitter schematics
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PLL FM Detector using PLL IC 565 – Circuit Schematic
PLL FM Detector using PLL IC 565
Phase Lock Loop (PLL) FM Detector with 565 PLL IC. the circuit diagram and internal structure of PLL IC 565 is shown in the given figures.....
Crystal Radio – Circuit Schematic
Crystal Radio
Welcome to the Birmingham, Alabama Crystal Radio Group website. We are the host of the crystal radio receiving contest.This page contains a little information a...
Rocket Crystal Radio – Circuit Schematic
Rocket Crystal Radio
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a sensitive crystal receiver – Circuit Schematic
a sensitive crystal receiver
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Diodes for crystal receivers – Circuit Schematic
Diodes for crystal receivers
Diodes with a low voltage drop, also have a high reverse current (leaking current), this will load the detector circuit heavier, the Q of the detector circuit r...
Experiments with coupled circuits – Circuit Schematic
Experiments with coupled circuits
The frequency is constant varying between two set values, on the oscilloscope screen you get a frequency spectrum with the response curve of the two circuits. T...
MSF detector - turning the radio signal into data – Circuit Schematic
MSF detector - turning the radio signal into data
The MSF transmitter sends time data bit-by-bit over the 60 seconds of each minute by dropping the 60 kHz carrier. It`s a basic CW signal [1]. Two bits are trans...
HF transceiver – Circuit Schematic
HF transceiver
The choice of IF is usually determined from availability of filters with desired characteristics. For communication receiver or transceiver the requirements for...
Ham radio projects – Circuit Schematic
Ham radio projects
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7MHz CW transceiver made with Motrola MC3362P – Circuit Schematic
7MHz CW transceiver made with Motrola MC3362P
The 7MHz CW transceiver made with MC3362P. I made a 7MHz CW transceiver by using the IC for the narrow band FM double super receiving circuit, MC3362P. I intend...
50MHz 10mW handy transceiver – Circuit Schematic
50MHz 10mW handy transceiver
One day on the 50MHz SSB-QSO, my friends JE3TXU/1 (Mr. Haraguchi) sad to me that he made 50MHz very small transceiver. I said to him that he shall inform about ...
Some interesting Projects – Circuit Schematic
Some interesting Projects
A design for a synthesised ATV transmitter covering the 13cm band and beyond up to about 2. 6 GHz. This transmitter has been designed for optimum video performa...
IC BA1404 For Stereo FM Transmitter – Circuit Schematic
IC BA1404 For Stereo FM Transmitter
The following circuit shows about IC BA1404 For Stereo FM Transmitter Circuit Diagram. Features: easy enough for everyone to build, has a .....
GPS Receiver RF Block Diagram Based On The MAX2742 IC – Circuit Schematic
GPS Receiver RF Block Diagram Based On The MAX2742 IC
Description:The following circuit shows about GPS Receiver RF Block Diagram. This circuit based on the MAX2742 IC. Features: a complete GPS receiver, GPS .....