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100W AM Valve RF Transmitter circuit – Circuit Schematic
100W AM Valve RF Transmitter circuit
This transmitter, as shown in the drawing, consists of a 6V6 as an oscillator, then the signal excites an 807 which acts as a buffer. The final step consists of...
50W AM Valve RF Transmitter circuit – Circuit Schematic
50W AM Valve RF Transmitter circuit
This transmitter consists of 5 in total bulbs. 6L6 works as an oscillator. Subsequently the oscillation is guided to the guide grid of 807 which acts as the ult...
Mini transistor Transmitter 50mW schematic – Circuit Schematic
Mini transistor Transmitter 50mW schematic
Is this a transmitter? Medium-wave short-wave consists of three transistors. The transistor AF115, along with the rest of its circuitry, is the oscillator of th...
5W Valve RF Transmitter circuit – Circuit Schematic
5W Valve RF Transmitter circuit
In this circuit, the wearer assembly consists of only one lamp, 6V6 or 6L6, which acts as an oscillator and as an output amplifier at the same time. Coil L1 is ...
255W Valve RF Transmitter circuit – Circuit Schematic
255W Valve RF Transmitter circuit
This transmitter of 255W is depended on the coils we put at it to work in both the middle and the short waves. The power in the antenna is 255W and includes 4 s...
300W Valve RF Transmitter circuit – Circuit Schematic
300W Valve RF Transmitter circuit
It consists essentially of three stages and gives the antenna a power of 300 WATT, provided it is properly tuned. The first tier is an oscillator that has an os...
200W Valve RF Transmitter circuit – Circuit Schematic
200W Valve RF Transmitter circuit
This transmitter consists of three stages. The step of the oscillator with the 6L6 lamp, the amplifier isolator with the lamp 807 and the final stage of the tra...
100W AM Valve Transmitter circuit – Circuit Schematic
100W AM Valve Transmitter circuit
For our strong construction with the two 807 we do not need words. We all know the performance of such a machine. In this construction we have the peculiarity o...
50W Tube-Valve SW transmitter – Circuit Schematic
50W Tube-Valve SW transmitter
This transmitter works in the short waves from 6MC / S to 22MC / S. Coil L1 is the short wave oscillating coil of the 6SA7 lamp and you will find it ready for t...
Valve Transmitter circuit 70W – Circuit Schematic
Valve Transmitter circuit 70W
This transmitter with a good antenna and under proper conditions of use may have a range of more than 45km. The configuration is made by the rise of the output ...
Simple Valve MW Transmitter circuit 30W – Circuit Schematic
Simple Valve MW Transmitter circuit 30W
The simplicity of this transmitter compared to its very high performance makes it very interesting. Its output power is about 30 W and its range under normal co...
FM Micro-Transmitter Bug Surveillance Circuit – Circuit Schematic
FM Micro-Transmitter Bug Surveillance Circuit
The transmitter we recommend to build is quite simple. It can even be built by a beginner. However, unlike the ease of construction and its small size, it is al...
VHF-UHF Linear Amplifier Circuit – Circuit Schematic
VHF-UHF Linear Amplifier Circuit
This project is a construction of a VHF-UHF linear amplifier that can work at frequencies from 47MHz to 740MHz. It can be used as a final output stage of any tr...
FM transmitter circuit diagram overvoltage protection – Circuit Schematic
FM transmitter circuit diagram overvoltage protection
FM302E-I-type FM transmitter exciter is used in Japan NECs HPB a 1210 motherboard. Direct carrier frequency modulation, phase-locked frequency stabilization and...
TW-42 FM radio transmitter high-frequency amplifier circuit section – Circuit Schematic
TW-42 FM radio transmitter high-frequency amplifier circuit section
FM radio transmitter is a high-frequency amplifier circuit. This circuit uses Mitsubishi frequency set successfully discharge path M57704H. Using radio frequenc...
Wireless microphone circuit diagram consisting of transistors 9018 – Circuit Schematic
Wireless microphone circuit diagram consisting of transistors 9018
FM radio transmission frequency band design, it can be used with any FM radio receiver to the high-frequency signal and restores the high frequency signal from ...
FM radio circuit by the FET composed – Circuit Schematic
FM radio circuit by the FET composed
FM radio circuit is shown by a double-gate MOS field-effect transistor, the high frequency amplifier is a bipolar MOS field effect transistor amplifier consisti...
Radio harmonic detection circuit – Circuit Schematic
Radio harmonic detection circuit
FIG demodulation and detection circuit is a radio, AM intermediate frequency signal IF amplifier after a two-stage detection performed by the diode Dr, the audi...
ETl3X220 FM FSK 27 MHz transmitter – Circuit Schematic
ETl3X220 FM FSK 27 MHz transmitter
ETl3X220 is connected to a low-cost single-chip RF-transmitter chip, can provide 10 communications for wireless mouse and keyboard applications and communicatio...
Simple design with a constant K-type high-frequency low-pass LC filter – Circuit Schematic
Simple design with a constant K-type high-frequency low-pass LC filter
Due to the amplifier frequency characteristics and impact of parasitic capacitance, to make hundreds of kilohertz to the active filter is very difficult.. On th...