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FM Beacon Broadcast Transmitter (88-108 MHz) – Circuit Schematic
FM Beacon Broadcast Transmitter (88-108 MHz)
FM Beacon Broadcast Transmitter (88-108 MHz). This circuit will transmit a continuous audio tone on the FM broadcast band (88-108 MHz) which could used for remo...
AM Transmitter – Circuit Schematic
AM Transmitter
AM Transmitter. It is illegal to operate a radio transmitter without a license in most countries. This ircuit is deliberately limited in power output but....
AM FM Simultaneous Transmitter Using Digital IC – Circuit Schematic
AM FM Simultaneous Transmitter Using Digital IC
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4W FM Transmitter – Circuit Schematic
4W FM Transmitter
4W FM Transmitter. TECHNICAL CHARACTERISTICS: Stabilised tendency of catering: Vcc=12~16V Frequency of emission: 88~108MHz Consumption: 100~400mA Materially: Th...
40 meter Direct Conversion Receiver – Circuit Schematic
40 meter Direct Conversion Receiver
40 meter Direct Conversion Receiver. Using the circuit of 40-metre band direct-conversion receiver descr- ibed here, one can listen to amateur radio QSO signals...
4 Transistor Tracking Transmitter – Circuit Schematic
4 Transistor Tracking Transmitter
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3-3.5 Watt FM Transmitter – Circuit Schematic
3-3.5 Watt FM Transmitter
3-3.5 Watt FM Transmitter. This is the schematic for an FM transmitter with 3 to 3.5 W output power that can be used between 90 and 110 MHz. Although the stabil...
1-Transistor FM Transmitter – Circuit Schematic
1-Transistor FM Transmitter
1-Transistor FM Transmitter. R1 27k R2 56k R3 12k R4 100 C1 1u C2, C3 470p C4 6 to 10p C5 1-30p trimmer L1 etched on PCB or a....
15V Simple FM Transmitter – Circuit Schematic
15V Simple FM Transmitter
This simple FM (frequency modulation) transmitter is powered only by a 1. 5V battery and uses only one frequency of this transmitter transistor. The is controll...
Mini FM Radio Transmitter Circuit – Circuit Schematic
Mini FM Radio Transmitter Circuit
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SimpleCircuit IF Signal Generator – Circuit Schematic
SimpleCircuit IF Signal Generator
Here is a able ambit of IF arresting architect which may be of absorption to radio hobbyists and professionals alike. Transistors T1 and T2 anatomy an astable m...
XR2212 PLL FM demodulator Circuit – Circuit Schematic
XR2212 PLL FM demodulator Circuit
A simple PLL FM demodulator circuit using IC XR2212 is shown here. XR2212 is a highly stable, monolithic PLL (phase locked loop) IC specifically designed for co...
PreamplifierCircuit DCF77 – Circuit Schematic
PreamplifierCircuit DCF77
DCF77 Preamplifier Circuit DiagramA popular project among microcontroller aficionados is to build a radio-controlled clock. Tiny receiver boards are available, ...
How to Make a Cell Phone RF Signal Detector Circuit – Circuit Schematic
How to Make a Cell Phone RF Signal Detector Circuit
A simple electronic circuit project is discussed here that may be built by any school student for displaying in a school fair science exhibition. The proposed c...
AM Receiver Circuit Using Transistor – Circuit Schematic
AM Receiver Circuit Using Transistor
This is the simple design and sensitivity and selectivity of the receiver are good. This circuit is use a compact three transistor, regenerative receiver with f...
simple rc circuit – Circuit Schematic
simple rc circuit
Above diagram is a very easy and efficient receiver for actuating garage doors, starter motors, alarms, warning systems and many some other possibilities. The S...
Simplest RF Transmitter – Circuit Schematic
Simplest RF Transmitter
This is probably the simplest radio transmitter that you will find anywhere. It has a total of five parts and can be constructed into a very small space. It is ...
sensitive FM Transmitter – Circuit Schematic
sensitive FM Transmitter
Simple and easy build of FM transmitter circuit. The circuit only require 2 transistors. Circuit Notes: Typically the default for the capacitors model is cerami...
Mini MW Transmitter – Circuit Schematic
Mini MW Transmitter
Here the SW transmitter circuit based on IC BEL1895. This particular transmitter circuit works in shortwave HF band (6 MHz to 15 MHz), and can be applied for sh...
Good Quality 500M FM Transmitter – Circuit Schematic
Good Quality 500M FM Transmitter
Good Quality FM transmitter circuit for your amplifier, gives you a pretty good signal strength up to range of 500 metres having a power output of about 200 mW...