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88MHz-108MHz 15W FM transmitter high-frequency amplifier – Circuit Schematic
88MHz-108MHz 15W FM transmitter high-frequency amplifier
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88MHz-108MHz 15W FM transmitter high-frequency amplifier – Circuit Schematic
88MHz-108MHz 15W FM transmitter high-frequency amplifier
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50kHz FM optical receiver circuit – Circuit Schematic
50kHz FM optical receiver circuit
This circuit is used in impulse speed modulation system. In this system, transmitter change impulse speed of modulated beam in optical fiber, let it change arou...
50kHz FM optical receiver circuit – Circuit Schematic
50kHz FM optical receiver circuit
This circuit is used in impulse speed modulation system. In this system, transmitter change impulse speed of modulated beam in optical fiber, let it change arou...
14W CW TRANSMITTER – Circuit Schematic
14W CW TRANSMITTER
Low-power two-stage FET transmitter for 80-meter amateur band uses Pierce crystal oscillator that requires no output resonant ci.rcuit. DC milliammeter can be c...
14W CW TRANSMITTER – Circuit Schematic
14W CW TRANSMITTER
Low-power two-stage FET transmitter for 80-meter amateur band uses Pierce crystal oscillator that requires no output resonant ci.rcuit. DC milliammeter can be c...
VHF MODULATOR circuit – Circuit Schematic
VHF MODULATOR circuit
Developed as interface between General Instruments AY-3-8500-1 TV game chip and antenna terminal of TV set. Adjust C1 to frequency of unused channel to which re...
VHF MODULATOR circuit – Circuit Schematic
VHF MODULATOR circuit
Developed as interface between General Instruments AY-3-8500-1 TV game chip and antenna terminal of TV set. Adjust C1 to frequency of unused channel to which re...
Transistors UHF tuner circuit – Circuit Schematic
Transistors UHF tuner circuit
In the circuit, the adjustable prestage is composed of transistor AF279, and the natural oscillation mixer stage consists of transistor AF280. The power circuit...
Transistors UHF tuner circuit – Circuit Schematic
Transistors UHF tuner circuit
In the circuit, the adjustable prestage is composed of transistor AF279, and the natural oscillation mixer stage consists of transistor AF280. The power circuit...
The application circuit of TDA7088 FM integrated circuit – Circuit Schematic
The application circuit of TDA7088 FM integrated circuit
This is the automatically search schematic diagram of FM radio. Its core component is a TDA7088 integrated circuit which includes FM radio receiver, antenna, os...
The application circuit of TDA7088 FM integrated circuit – Circuit Schematic
The application circuit of TDA7088 FM integrated circuit
This is the automatically search schematic diagram of FM radio. Its core component is a TDA7088 integrated circuit which includes FM radio receiver, antenna, os...
ROTARY SWITCH DEBOUNCE – Circuit Schematic
ROTARY SWITCH DEBOUNCE
Three-stage active Butterworth bandpass input filter is used in radioteletype demodulator to separate RTTY tones from each other and from noise. Filter is cente...
ROTARY SWITCH DEBOUNCE – Circuit Schematic
ROTARY SWITCH DEBOUNCE
Three-stage active Butterworth bandpass input filter is used in radioteletype demodulator to separate RTTY tones from each other and from noise. Filter is cente...
RF2498-based GPS receiver downconverter circuit – Circuit Schematic
RF2498-based GPS receiver downconverter circuit
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RF2498-based GPS receiver downconverter circuit – Circuit Schematic
RF2498-based GPS receiver downconverter circuit
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MRFICl505R2 based GPS receiver RF front-end circuit – Circuit Schematic
MRFICl505R2 based GPS receiver RF front-end circuit
MRFICl505R2 is a 1. 575GHz GPS downconverter chip. It integrates mixer, VCO, PLL, crystal oscillator, A / D converter and loop filter and other circuits. MRFICl...
MRFICl505R2 based GPS receiver RF front-end circuit – Circuit Schematic
MRFICl505R2 based GPS receiver RF front-end circuit
MRFICl505R2 is a 1. 575GHz GPS downconverter chip. It integrates mixer, VCO, PLL, crystal oscillator, A / D converter and loop filter and other circuits. MRFICl...
Long-range FM radio transmitter circuit – Circuit Schematic
Long-range FM radio transmitter circuit
In the circuit shown, the special launch tube T2 and its peripheral parts form a high-frequency oscillator with frequency in the range of 88 ~ 108MHz. The elect...
Long-range FM radio transmitter circuit – Circuit Schematic
Long-range FM radio transmitter circuit
In the circuit shown, the special launch tube T2 and its peripheral parts form a high-frequency oscillator with frequency in the range of 88 ~ 108MHz. The elect...