This article describes a transistor FM transmitter circuit. Schematics can combine text look better grasp of this principle. In the circuit adjustment ...
By encoding the transmitter circuit, the 3 channels of the receiving circuit can be used in different applications, remote control three kinds of circu...
Here the simple and low cost FM transmitter circuit. The frequency range of this FM transmitter should be about 89MHz – 109MHz. Output power is about...
This is a simple design of a small FM Transmitter Bug that's perfect for transmitting and eavesdropping purposes. Due to the high sensitivity, even the...
The PLL transmitter exciter has the functions of providing a stable, low noise, frequency-selectable RF signal and amplify it to a controllable output ...
Here is the circuit diagram of the simple FM transmitter using a transistor. Great performance or range is not guaranteed here, because this is an elem...
The output of LM35 is analog quantity and can get digital quantity output by A/D converter (ADC). A serial output digital temperature transmitter circu...
In this circuit, data at input C is amplified by IC2 and then fed to modulator IC1. IC1 g enerates two frequencies, depending on the values of C5, ii0,...
BL9148 is general infrared remote control transmitter circuit. The Internal circuit is composedof theinput circuit, oscillating circuit, points frequen...
This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transist...
This transmitter runs up to 1/2W on the 40-m amateur band. Coils are wound on T25 and FT23 toroids, respectively. Point A is connected to point B to ke...
This transmitter is for ATV applications in the 902- to 928-MHz band. It has three crystal-con-trolled channels, and will accept standard NTSC video in...
The goal of this project is for me personally to learn a little more about fm transmitters and fm bug making (may the HAM radio gods bless me in this p...
Description 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 stability is...
Adaugat in Radio | 1 comentariu Mai multe scheme cu: bh1417 sinteze pll BH1417 este un cip specializat in bucla PLL pentru transmisie FM Stereofonica, ...
This transmitter is capable of two levels of rf power. For low-power wireless video, like in a house or office, where simultaneous monitoring of progra...
This article describes the IR Music Transmitter and Receiver (UM66). The principle is very simple, very practical. The circuit components can help you ...
This supply provides 12 Vdc for an IR transmitter or other circuit. The current is about 260 mA. A 120-V transformer can be substituted for the 230-V u...
Here is the circuit of an FM transmitter with the IC UPC1651. UPC1651 is a broad band amplifier MMIC UHF silicon. The IC has a wide frequency response ...
This is a sensitive, mini-powered FM transmitter consisting of an rf oscillator section interfaced with a high-sensitivity wide passband audio amplifie...
This article describes the WLW 500KW Transmitter Schematic (CD4001). The content is very simple, very helpful. Components in this article can help you ...
A single-chip, short-range FM radio transmitter circuit diagram is shown in the picture below. You may extend link for your home entertainment system t...
This article describes the FM wireless transmitter circuit (2N6507TG). The content is very simple, very helpful. Components in this article can help yo...
Mono audio output of TV receiver is fed to infrared modulator using Intersil 8038 IC and transistor.o provide pulse-frequency-modulated infrared output...
Widely used in a-m citizen's band (27-mc) transmitters. Modulation amplifier should be adjusted for dipping at 300-mw level, with passband from 300 to ...
This circuit is a simple field intensity indicator, which is very sensitive for micro-power signal. Because the circuit is only used for the relative f...
Single chip FM transmitter Description H eres a single chip FM transmitter circuit using Maxim semiconductors IC MAX2606. The MAX2606 is a compact, hig...
NS741 is an integrated circuit, a small power fm transmitter were left and right audio signals can be modulated in FM stereo with multiplexing. NS741 D...
ETl3X220 is a low-cost single-chip transmitter chip which is connected through RF. It can provide 10 communications. And it is suitable for application...
The keys SA1 ~ SA8 and diodes VD1 ~ VD13 form Octal matrix input circuit for the eight encoded input circuit of remote control transmitter circuit. Bec...
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