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Q&A

Posts tagged oscillator

Synonyms: oscillators

2 child tags

Anything related to oscillator circuits.

Oscillators are circuits designed to produce periodic signals with specific waveforms (e.g. sine waves, square waves and triangle waves) and given parameters (e.g. amplitude, frequency, phase, duty cycle, etc.).

In certain oscillators some of those parameters can be varied using some manual control (e.g. a knob on a panel) or applying an external control signal on some input (modulation input).

This tag doesn't have a detailed wiki yet.

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Q&A Noise from oscillator on top layer to clock on bottom layer with VCC & GND layers between

What effect does an oscillator potentially have on a SPI clk signal if the oscillator is on the top layer, with GND and VCC layer in between on a four layer board. I know running it on the same lay...

2 answers  ·  posted 5mo ago by Hawk2020‭  ·  last activity 5mo ago by Nick Alexeev‭

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

I have a 30MHz TCXO circuit (TCXO 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 >20d...

1 answer  ·  posted 2y ago by Lundin‭  ·  edited 8mo ago by Lorenzo Donati‭

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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 1y ago by deleted user  ·  edited 9mo ago by Lorenzo Donati‭

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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 2y ago by MissMulan‭  ·  edited 9mo ago by Lorenzo Donati‭

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Q&A Oscillator with non-rechargable battery

Lets say I power an oscillator by a non-rechargable battery. Lets imagine a generic design with LC-circuit and negative resistance created by some transistor circuit. To me it seems that at certai...

1 answer  ·  posted 11mo ago by kek‭  ·  last activity 11mo ago by Olin Lathrop‭

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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 2y ago by MissMulan‭  ·  last activity 1y ago by TonyStewart‭

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Q&A Op Amp Hartley oscillator

Im designing a Hartley oscillator this time with a opamp providing the open-loop gain.I have tried drawing the small-signal analysis of my circuit to use KVL and KCL to find the conditions of opera...

1 answer  ·  posted 2y ago by MissMulan‭  ·  last activity 2y ago by Olin Lathrop‭

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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 2y ago by MissMulan‭  ·  edited 2y ago by MissMulan‭

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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 3y ago by coquelicot‭  ·  last activity 3y ago by coquelicot‭