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Recent Posts Tagged With 'rf'

  • TV Modulator Circuit

    Posted on Thursday March 13th, 2008 at 10:54 in , tv transmitter, vhf

    The MC1374 includes an FM audio modulator, sound carrier oscillator, RF oscillator, and RF dual input modulator. It is designed to generate a TV signal from audio and video inputs. This TV modulator b...

  • 1W Linear Power Amplifier 2.4 GHz

    Posted on Wednesday March 12th, 2008 at 16:54 in , rf amplfier

    The following single-stage transistor linear amplifier possesses a gain of approximately 7 dB and an output power of 1 W in the 13 cm band (approx. 2.4 GHz). It is thus suitable for use, for instance,...

  • UHF VHF PLL TV EXCITER MC44BS374TI

    Posted on Sunday March 9th, 2008 at 04:26 in , tv transmitter, uhf, vhf

    This UHF VHF PLL TV TRANSMITTER use a MC44BS374TI from Freescale. MC44BS374 is audio and video modulator for use in Transmit Video and audio and similar device. These IC are the next generation of the...

  • BH1415F FM Stereo PLL Transmitter

    Posted on Sunday March 9th, 2008 at 03:19 in , rf

    This is FM PLL Stereo based BH1415F IC from Rohm, it's has built in PLL and Stereo Encoder. You can download the schematic, pcb layout and Hex code. The transmitter menu display with LCD, and this hav...

  • 3 W Broadband Amplifier For UHF TV Transposers

    Posted on Friday March 7th, 2008 at 11:03 in , tv rf amplifier, uhf

    A broadband linear amplifier design is presented, suitable for application in TV transposers, operating in band IV and V(470 - 860) MHz. The design is based on a BLW898 bipolar transistor. Typical res...

  • Attenuator Design Tutorial

    Posted on Sunday December 23rd, 2007 at 13:12 in , rf, rfic

    IntroductionAttenuators are devices used to adjust signal levels, to control impedance mismatch and to isolate circuit stages.Passive designPassive attenuators consist of two types ‘pi’ and ‘Tee...