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BA1404 FM Stereo modulator circuit design electronic project – Circuit Schematic
BA1404 FM Stereo modulator circuit design electronic project
Using BA1404 can be designed a very simple and useful fm stereo modulator electronic project. This BA1404 fm stereo modulator device works in FM broadcast band ...
Antenna selector circuit diagram using PIN diodes – Circuit Schematic
Antenna selector circuit diagram using PIN diodes
This antenna selector circuit diagram uses PIN diodes which eliminate disadvantages of mechanical switches (especially at high frequency current) PIN diodes can...
Antenna selector circuit diagram electronic project – Circuit Schematic
Antenna selector circuit diagram electronic project
This antenna selector circuit diagram electronic project is designed using common electronic components and allows switching between two FM antennas via a logic...
9V fm transmitter circuit design using transistors – Circuit Schematic
9V fm transmitter circuit design using transistors
The tuned coil L1, has two output tapping for the antenna connection, marked "A" and "B". These are both low-level outputs and you choose which tapping you want...
43 dB antenna amplifier circuit diagram – Circuit Schematic
43 dB antenna amplifier circuit diagram
This antenna amplifier is very useful for 35kHz-150Mhz frequency band. This antenna amplifier circuit is based on transistors and has a low 3dB non-linearity an...
300m FM transmitter circuit design project – Circuit Schematic
300m FM transmitter circuit design project
This fm transmitter circuit is very simple and it has a acceptable transmission. The signal transited from this fm transmitter circuit can be received at almost...
2400 MHz RF amplifier circuit diagram using PM2107 – Circuit Schematic
2400 MHz RF amplifier circuit diagram using PM2107
applications in the 2400 MHz ISM band. This two stage RFIC amplifier is off-chip matched to provide optimum performance for a variety of applications. Operating...
20dB antenna amplifier circuit diagram electronic project – Circuit Schematic
20dB antenna amplifier circuit diagram electronic project
T1 transistor must be BF200 type (or similar ) and the other transistors can be BF214 type. For high efficiency, the antenna amplifier must be placed at a small...
14-20dB gain simple active antenna circuit diagram – Circuit Schematic
14-20dB gain simple active antenna circuit diagram
A very simple active antenna can be designed using this electronic circuit diagram. This active antenna is based on transistors and other few common electronic ...
FM Receiver with TDA7000 – Circuit Schematic
FM Receiver with TDA7000
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coilless FM transmitter circuit diagram – Circuit Schematic
coilless FM transmitter circuit diagram
The RF oscillator using the inverter N2 and 10. 7Mhz ceramic filter is driving the parallel combination of N4 to N6 through N3. Since these inverters are in par...
FM transmitter circuit diagram – Circuit Schematic
FM transmitter circuit diagram
Colpitts oscillator. Its frequency depends on the capacitance of the vary cap diode. The center frequency is changed by varying the biasing voltage of the vary ...
can someone explain how circuit demodulates – Circuit Schematic
can someone explain how circuit demodulates
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understanding fm transmitter circuit – Circuit Schematic
understanding fm transmitter circuit
The electret microphone has a current of 200uA which changes by +- 3 uA depending on sound waves. This sets the voltage across R1 to 2V and the voltage across t...
walkie talkie circuit research project – Circuit Schematic
walkie talkie circuit research project
for example i dont get the way the demodulation is done or the modulation itself an so on please is someone able to understand this circuit could you give me a ...
fm radio receiver – Circuit Schematic
fm radio receiver
A very simple circuit for FM receiver, no IC required, and only a single transistor. I`m not sure whether this transistor works or not, I`m going to try this ou...
modifying fm transmitter circuit 3 – Circuit Schematic
modifying fm transmitter circuit 3
To this small FM transmitter to change the mic for an audio jack so I can plug it into my mp3 player to listen to songs on my car audio. I looked at some of the...
58mhz jammer – Circuit Schematic
58mhz jammer
Many companies online claim that they are making a shield/jammer for rfid and since Rf is like RFID and it gives off a frequency of 58khz it should be easy to j...
fm transmitter colpitt oscillator – Circuit Schematic
fm transmitter colpitt oscillator
C1 takes the DC decoupled voltage from the Microphone, amplifies this via Q1, C2 decouples it again, then R6 and C3 Low Pass Filter it, but once we get to Q2, ...
Wide band high frequency amplifier circuit – Circuit Schematic
Wide band high frequency amplifier circuit
This is Wide band high frequency amplifier circuit,Wide frequency band between 75-150 MHz,Using transistors, a PNP amplifier.To enhance the signal strength.Befo...