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Q&A

Posts tagged oscillator

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Q&A What Sine-Wave Oscillator can be controlled with a microcontroller?

I need a Sine Wave Oscillator circuit that can allow me to control its frequency with a microcontroller. Until now all the topologies that I have found if the frequency is changed, a change in the ...

2 answers  ·  posted 24d ago by deleted user  ·  edited 18d ago by deleted user

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Q&A Results of analysis of Hartley oscillator dont make sense

I want to find the conditions of oscillation of the following Hartley oscillator.I have attached a load (ZL) to my Hartley oscillator I have written KCL for nodes A,B: For node A: $$\frac{V_{A...

3 answers  ·  posted 7mo ago by MissMulan‭  ·  last activity 6mo ago by TonyStewart‭

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Q&A Modelling tunnel diode relaxation oscillator

I have been trying to model this oscillator I was wondering if we can somehow predict the frequency of the oscillations.For small currents inside a diode from the Shockley diode equation $$ e^{x...

1 answer  ·  posted 7mo ago by MissMulan‭  ·  last activity 7mo ago by a concerned citizen‭

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Q&A Finding voltage gain of Hartley oscillator

I am trying to find the AC analysis of a BJT Hartley oscillator but I cannot continue. How do I find the voltage gain? When no feedback is there, we just find the output resistance and the current...

1 answer  ·  posted 7mo ago by MissMulan‭  ·  edited 7mo ago by MissMulan‭

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Q&A How to calculate the RC filter of a TXCO for a RFIC reference?

I have a 30MHz TCXO circuit (TXCO datasheet) like this serving as local oscillator to a RFIC: The RFIC manufacturer recommends to "add filtering caps" for high RF output cases. That is &gt;20d...

1 answer  ·  posted 1y ago by Lundin‭  ·  edited 1y ago by Lundin‭

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Q&A My grid dip: how does this electron tube technology work?

Here is a video of the AN/PRM10, and here is a schematic (I believe the image can be zoomed): As most commercial grid dip meters produced in the past, this one possesses several functions in ad...

1 answer  ·  posted 2y ago by coquelicot‭  ·  last activity 2y ago by coquelicot‭

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