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Recent content by bags

  1. B

    Help for my Collpits oscillator circuit

    i design for vce 1.5 volt and ic 17.3mA, is that would be damage the transistor if i give 5 volt?
  2. B

    Help for my Collpits oscillator circuit

    1) but in the datasheet listed 2 absolute rating VCE, which one is used as a parameter for design? or maybe i used 2v 20mA? 2)on the datasheet listed Ft 650 MHz, can the transistor still generate gain? 3) if you use a resistor to ground, does the type of biasing change? like using a type...
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    Help for my Collpits oscillator circuit

    I designed a local oscillator with a frequency of 380 MHz. but I have a problem with implementation on the pcb. I tested my circuit using a spectrum analyzer signal hound 4ghz, but it didn't show output. I need an explanation about my oscillator circuit scheme and its implementation on the pcb...

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