Broadcast Electronic
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RF Power Meter
The RF Power Meter presented is based on the AD8313 Log Detector manufactured by Analog Devices. The IC can be ordered as a sample direct from ADI, or you can search for it in some disabled GSM mobile phones available on the market. In GSM phones AD8313 is used as a Log Detector, part of the Power C ...
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Low Power TV Transmiter
One of the most useful gadgets a video enthusiast can have is a low-power TV Transmitter. Such a device can transmit a signal from a VCR to any TV in a home or backyard. Imagine the convenience of being able to sit by the pool watching your favorite movie on a portable with a tape or laserdisc play ...
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RF spectrum Analyzer
Below is a two part project for an RF Spectrum Analyzer from QST Magazine. Even if you don't build the project there's some great information in here regarding RF filters, mixers, oscillators and more.Spectrum Analyzer (Part One)A mong the many measurement tools sought by the amateur experimenter, t ...
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70-210 MHz RF Oscillator Circuit
The RF Oscillator is based on a Hartley oscillator. The frequency is determined by L1 and capacitor C1. The Vtuning voltage will change the capacitance in the varactor BB132 wich will change the oscillation-frequency. The value of capacitor C2 will determine how much the frequency can be changed by ...
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Privacy Policy
Privacy Policy for The Broadcast ElectronicIf you require any more information or have any questions about our privacy policy, please feel free to contact us by email at go2media@telkom.net.At go2media.blogspot.com, the privacy of our visitors is of extreme importance to us. This privacy policy docu ...
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70-210 MHz Voltage Controlled Oscillator Circuit
The Voltage Controlled Oscillator is based on a Hartley oscillator. The frequency is determined by L1 and capacitor C1. The Vtuning voltage will change the capacitance in the varactor BB132 wich will change the oscillation-frequency. The value of capacitor C2 will determine how much the frequency ca ...
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70-210 MHz Voltage Controlled Oscillator
The VCO is based on a Hartley oscillator. The frequency is determined by L1 and capacitor C1. The Vtuning voltage will change the capacitance in the varactor BB132 wich will change the oscillation-frequency. The value of capacitor C2 will determine how much the frequency can be changed by the tuning ...
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1W FM Amplifier For Ipod FM Stereo Transmitter
The schematic show you a RF amplifier with very high gain. The feeding RF signal enter C9 to transistor Q1 which has a self biased working point. The gain and working point is set with the two resistors R1 and R2. FB1, C5, C6 works as filter for rejecting RF to power line. Q1 has a gain about 15dBm. ...
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Privacy Policy for The Broadcast Electronic
Privacy Policy for The Broadcast ElectronicIf you require any more information or have any questions about our privacy policy, please feel free to contact us by email at go2media@telkom.net.At go2media.blogspot.com, the privacy of our visitors is of extreme importance to us. This privacy policy docu ...
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FET Audio Deviation Limiter
This applicationis a very high specification peak control limiter. It has fast become the essential deviation limiter for FM radio. Audio Limiter is a standard specification in broadcast world. This limiter can be set up as sound processor for fm broadcast.The application divided into two parts :1. ...
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14W UHF TV RF Amplifier 470-860 MHz
Working Frequency 470-860 Mhz UHF Band IV and V. Power out of the RF Amplifier about 14 Watts with power input 1.5 Watts. ( Transistor Datasheet)SchematicPart Lists:C1 = C6 = C16 = 4,7 pF (500 V) multilayer ceramic chip capacitorC2 = C3 = C20 = C21 = 33 pF multilayer ceramic chip capacitorC4 = C9 = ...
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Privacy Policy for go2media.blogspot.com
Privacy Policy for go2media.blogspot.comIf you require any more information or have any questions about our privacy policy, please feel free to contact us by email at go2media@telkom.net.At go2media.blogspot.com, the privacy of our visitors is of extreme importance to us. This privacy policy documen ...
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150 WATTS FM AMPLIFIER BASED SD1407
This FM amplifier is originally designed by Broadcast Warehouse, based transistor SD1407 with redrawn schematic and redesigned pcb. You can drive the amplifier with maximum 1 watt input for 150 watts FM output.Working frequency 88-108 MHz VHF band II, Power supply voltage 18-28 VDC.Download : schema ...
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MC145151 PLL FM Stereo Transmitter
This transmitter use pll chip MC145151 from Motorola and stereo encoder chips BA1404 with vco built in. BA1404 from MC145151 is to overcome the single-frequency instability in the BA1404. Modulation of the emission control BB910 frequency. B571C kept in control procedures, the procedures required to ...
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300mW FM Transmitter 2SC2538
The FM transmitter using a varactor diode way radio, plus a Class C amplifier, RF output power of up to 300 mW more open to more than one kilometer distance communications. Select components: Q1 with ??? 100 mA, Ft ??? 300 MHz, ?? ??? 100 tubes available 3 DG82, 3DG122, 3DG130, 2G711; Q2 with 2SC253 ...
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PLL FM Transmitter With BH1415F 500mW
This article is wang1jin (Old: Primary Color love) for the design of RF EDNCHINA.COM FM transmitter board for further analysis, making friends for reference. This EDNCHINA PCB board can be free. Need friends can make reference to relevant websites Learn more.Designed with PLL technology, BH1415 FM ...
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High Quality wireless microphone Macsot MR-700
This is collected by the Macsot MR-700 wireless microphone system launch of the circuit for maintenance reference. High Quality Audio on receiver output.Active components:Microphone or Audio Preamplifier with IC MC4458Dynamic Audio processed with one NE571 From PhilipsFrequency Oscillator generated ...
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CD4066 FM Stereo Encoder
Circuit schematics IC1-4069 in the Y1, Y2 formation of a 76 KHZ frequency of the oscillator, the Y3-Y6 isolation plastic, into IC2 dual JK flip-flop CD4027 composed of two components-frequency circuit, a symmetrical + / 38KHZ-19 KHZ and the square wave, + / -38 KHZ IC3 the square used to control ana ...
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uPC1651 FM transmitter
The circuit has been produced by Japan's NEC as a major upc1651 IC devices, the high gain circuit, work stability, thereby ensuring the microphone performance. Use of FM transmitter. Used it 40 - 50 cm soft drag line for antenna, the effective range of more than 30 launch M. L carefully spacing adju ...
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FM Transmitter With Transistor 2SC1815
Will have to introduce a system of simple and small FM transmitter. Not only does it meet the requirements of the launch distance, but also at the same time using microphone and voice input signal line, background voice. Modulation circuit surveillance has also joined the table first, so that they c ...
Broadcast Electronic
