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Recent content by rineesh

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    AD9833BRMZ Help to generate Sine wave with SPI interface code

    Re: poorchava digital osciloscope? We have all ready checked by logic analyzer and confirmed that the signal status of chip select data & clock.Everything working fine
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    AD9833BRMZ Help to generate Sine wave with SPI interface code

    Dear poorchava We are using STM32F103VCT6
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    AD9833BRMZ Help to generate Sine wave with SPI interface code

    Dear all Please help me to generate 300kHz sine from AD9833BRMZ. Here I have configured as per datasheet & evaluation board. But the output is not satisfying the design .I have probed the SPI lines the function code is below. Fmclk=5Mhz, ExpectedFout=3Mhz. SetPinValue(FSYNC,0); //Chip...
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    Communication Problem Regarding with MAX3221

    Dear Keith.... Any idea regarding with the actual problem?
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    Communication Problem Regarding with MAX3221

    The hardware configuration is below .Normal mode operation (As per datasheet) We are facing a problem related with MAX3221 RS 232 communication chip. The chip is not properly work with communication port of PC. Here I have selected the communication port as default settings (baud rate=9600...
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    Rf stub design in pcb & impedance matching network

    Replay to biff44 Let me Ask one question The output formed is a monopulse with 300ps width.The PRF ranges from 1ms to 1microsecond.So may I want to keep the above chara MMIC ?
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    Rf stub design in pcb & impedance matching network

    Replay to biff44 Date: 26th July 2011 Dear biff44 I would like to express my extreme thanks to your effort you have taken. From the Replay impulse generation STUB design is okay. But still some ambiguities and Stub length calculation mistakes. As per the Equation V is related Effective...
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    Rf stub design in pcb & impedance matching network

    Rf stub design in pcb & impedance matching network DEAR ALL Please suugest any guidelines to me for design a MMIC amplifier Impedence matching design & implementation methods. My basic doubts based on the following links http://wcsp.eng.usf.edu/UWB_Testbed_Docs/low_cost.pdf...
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    [SOLVED] Rf stub design in pcb & impedance matching network

    DEAR ALL Please suugest any guidelines to me for design a MMIC amplifier Impedence matching design & implementation methods. My basic doubts based on the following links http://wcsp.eng.usf.edu/UWB_Testbed_Docs/low_cost.pdf This is a 300pS pulse genearation using SRD. Here Im not clear in SHORT...
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    500picosecond Pulse generator

    @mister_RF Step recovery Diode and PIN diode For impulse generation Can I use PIN diodes instead of SRD???????????????
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    500picosecond Pulse generator

    @FvM This is the Impedence datafrom datasheet. I am in that path please read the first replay from mister_rf
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    500picosecond Pulse generator

    @mister_rf Regarding with MMIC amplifier current one is SNA686.The output current <100mA. I need 2A current.So Can I use Ant RF FET's (found one part PD20015-E 2Ghz opration ) as output driver? Can I vary the output pulse width? how it is acheived?
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    500picosecond Pulse generator

    @mister_rf From http://wcsp.eng.usf.edu/UWB_Testbed_Docs/low_cost.pdf This is avery good approach but LO shows that 10MHZ.But my LO is TTL with frq range1kHz01Mhz can I keep the out put with 500ps with PRF with respect to input?
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    500picosecond Pulse generator

    Hi All Any one help me to do a circuit which can generate 500pSmonoshot pulse with input PRF 1mS to 1uS I need from the generated pulse to drive an RF FET.So please consider the min Vgs too.

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