Questions tagged [resonator]

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How to do a comparative analysis of electrical characteristics of two 134kHz RFID circuits?

In the figure below there are two antenna circuits, both are circuits used in RFID at 134kHz, which are external to the TMS3705 IC. Circuit number 1 is an old circuit, circuit number 2 is the circuit ...
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Switching crystals circuit

This is for NES clock circuit. I need to find a way to switch the crystal between PAL and NTSC. I have used a normal switch to switch those with no problem. Same goes obviously with a relay, but I'm ...
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How to identify this SMD crystal oscillator or resonator?

I need your help to identify this SMD crystal to fix a car ECU. It is marked AR and has 3 pins on the bottom. How can I find the frequency or specifications to order a new one or test this?
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1-port VNA quality factor measurement

I am using an Anritsu VNA (MS2034B) to obtain the LINEAR MAGNITUDE and PHASE of S11 via a calibrated 1-port measurement. The DUT is an inductively coupled RLC resonator (schematic below). However, I ...
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Im struggling trying to use HFSS (eigen mode simulation)

Okay I am supposed to set up a a rectangular vacuum filled PEC resonator in an eigenmode simulation. How am I supposed to do this? I got a rectangular prism set up with all sides as PECs and on the ...
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How to make an oscillator using 3 legged ceramic resonator and transistor?

I need an oscillator which can provide 4 MHz (which does not need to be very precise) so I have bought a 3 legged 4 MHz ceramic resonator which looks like this. I tried wiring up this ceramic like ...
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How to design a complementary split ring resonator (CSRR)?

I've been looking for references that could help me to design a CSRR with no success. Basically, given a desired resonance frenquency, I want do design/calculate a CSRR that meet the needs ...
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Using PLL as resonance tracker

Edit: Re-re-formulated :) I'm developing a resonant circuit with its resonant frequency around 3 GHz. I am constantly tuning this resonance frequency by an unknown amount. How can I read out the ...
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What is the difference between a cavity resonator and a faraday cage?

In my internet research, I found that several people believed microwave ovens act as faraday cages and some said they act as cavity resonators.  I know that Faraday cages block incoming electric ...
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SAW resonator oscillator operating principle

I can't for the life of me figure out how the following SAW oscillator works. I can't see how the oscillation would be maintained since it doesn't use a feedback mechanism I'm familiar with. This post ...
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Split loop cavity or Loop gap cavity

I want to make a code for the power vs wavelength for the split loop cavity resonator. Can someone help me with the python code for the same?
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How to provide gap between two separate structure or microstrip lines in ADS(Advanced design systems)?

I want to provide gap between two resonators. Here is an image. How do I provide those gap M12 and M23.
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Ceramic resonator instead of LC tank in a quadrature demodulator

I'm new to analog circuits. I have a simple question. Can I use a 455khz ceramic/crystal resonator instead of LC tank on a quadrature demodulator input of MC3357? Thanks.
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16MHz ceramic resonator 3pin vs 2 pin

i want to make this project: https://www.instructables.com/DIY-Bare-Minimum-Arduino-Mega-2560/ but i found one of the parts is 16MHz ceramic resonator with 3pin. i want to know : 1- what is the ...
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Incorrect resonator/crystal PCB layout?

Hobbyist developing first PCB. Only caught this on my PCB/Schematic design after I had received them, was too focused on functionality of other components. Resonator designed like crystal, resonator ...
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transient analysis not matching ac analysis for RLC circuit

I am modeling a simple impedance-matched RLC series resonator. I get a nice resonance at around ~48.5MHz when I do an ac analysis. However, when I try to do the corresponding transient analysis at the ...
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Can I use ceramic resonator for ATmega328p?

https://lcsc.com/product-detail/Ceramic-Resonators_ABRACON_AWSCR-16-00CV-T_16MHz-0-5-22pF_C179647.html I have been developing a project that includes ATmega328p-AU, So I have studied many circuits ...
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DIY Pierce Oscillator not working

I'm building a simple pierce oscillator for fun and trying to read the frequency using an arduino uno and the freqcount.h library (I don't have an oscilloscope). However, I'm consistently getting a ...
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What's the usage of a "Cavity resonator" in a power supply circuit of a CD player?

To diagnose a CD player I'm currently learning its schematics, yet I don't understand this part. In the schematic, what could be the usage of PS401? Thank you!
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Compensation for dielectric losses in a coil?

Recently I built a helical resonator. It took me a good while to adjust it since I had to trim my coils much shorter than calculated. The calculation said 7.2 turns but it ended up being more like 6.5 ...
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