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Recent content by Faithnic

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    3rd order Chebyshev Bandpass (type1) Design Problem

    Thanks to all for their comments and suggestions, I will come back to the issue soon...
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    Which Scope for HF analog and complex digital

    I am a mixed signal designer and looking to upgrade my oscilloscope. My primary selection priorities are: Analog: 1. Bandwidth: Video to VHF up to 500 Mhz 2. Need good analog signal clarity with low jitter and digital noise Digital: 1. Should have large memory length 2. Should have wave...
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    3rd order Chebyshev Bandpass (type1) Design Problem

    I am not a RF designer, mostly work with power and digital design. Was curious to make a 3rd order Chebyshev Bandpass (type1) with the help of some software from the web. I want to use it in the TV VHF band to pass one channel and stop others. The design parameters are: Center Frequency: 204...
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    How does the modern TV circuit (analog) fine tunes itself?

    Designing a analog TV front end using Atmega using an integrated Tuner+IF module (Philips FQ1200MK3 equiv) which gives CVBS and audio output and controlled by I2C. Need to know the modern TV's fine tuning algorithm and autotune algorithm which I can program into Atmega. My question is: 1...
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    Uni-Trend UT2042CE Oscilloscope

    Uni Trend UT2042CE Oscilloscope, any idea how it is? What will be the maximum signal frequency I will be able to work with comfortably? Will it be suitable for working with video signal? SPECIFICATIONS Bandwidth 40 MHz Rise Time ≤8.7 ns Sample Range 1GS/s Vertical Sensitivity 2mV ~ 5V/div...
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    Please identify the IC.

    Thanks Matbob, will try to get an idea of your codes..
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    Help identify the IC - Can't find any data

    You are right ChrisC, but isn't is strange that there is no info anywhere about this chip!
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    Help identify TV tuner IC - Can't find any data

    Selecting available tuners to control with AVR. Please help identifying this Tuner IC. Nomenclature TMM 2000 B4. It is a single chip PLL TV tuner IC with SDA/SCL. Xtal is 4.0MHz.
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    Help identify TV tuner IC - Can't find any data

    Please help identifying this Tuner IC. It is a single chip PLL TV tuner IC with SDA/SCL. Xtal is 4.0MHz.
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    Help identify the IC - Can't find any data

    Please help identifying this Tuner IC. It is a single chip PLL TV tuner IC with SDA/SCL. Xtal is 4.0MHz.
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    CATV amp/booster reference design with available components

    Hi, Need CATV amp/booster reference design/project with available components. Should work the whole band (50-850 MHz) 75 Ohms in/out with gain control. Thanks.
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    Please identify the IC.

    Hi Matbob, Can I have a look at your PIC control of the tuner? Thanks.
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    128x64 Graphic LCD with Mega32 help

    Wanted to build and develop the following oscilloscope using Mega32: https://www.serasidis.gr/circuits/AVR_oscilloscope/avr_oscilloscope.htm But the 128x64 graphic LCD I can reach has the following pin config: 1,2-backlight 3-gnd 4-vdd 5-rs 6-wr 7-en 8-cs 9-NC(no connected) 10-d0 11-gnd...
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    Please identify the IC.

    Great Matbob! I want to program it through an ATMEGA I2C bus, anyone has any experience?
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    Looking for TV Tuners having Difgital PLL control

    Thanks Nik0lai ... I will check if I can find it (or compatibles) in the market. Which PLL chip it used?

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