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Results tagged with impedance-matching
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user 2148
Impedance matching is a process of making one impedance equal to another another.
3
votes
Accepted
Wideband Impedance Matching
That's a relatively wide bandwidth to match a circuit over. The Bode-Fano equation governs bandwidth/return loss for reactive circuits, and google has some articles that will help with this. As long …
- 1,906
1
vote
Guideline for Impedance Matching (simplified cases)
The general rule of thumb for RF circuitry is that inputs and outputs are matched to 50 Ohms, so for Case 2 and Case 3 you would want to have the source and load presenting a 50 Ohm Output / Input imp …
- 1,906
5
votes
Accepted
Antenna matching network. What? Why? How?
Honestly, you're probably OK. The trace length is short enough that it's really not too significant, the important part is the balun and transceiver IC output impedance, which is probably only somewha …
- 1,906
1
vote
Accepted
How are the positions of matching network elements determined for RF power amplifiers?
Well, to some extent, the answer is "Hook it up to a Network analyzer and season to taste". Except that for a 20 Watt output transistor, you can't hook it up to a network analyzer unless you feel like …
- 1,906
0
votes
Schematic of an amplifier with bandpass filter and impedance matching
So that's not a block diagram, that's a schematic. Have you read the datasheet? There's a schematic on page 11 that should answer many of your questions. VPD1 and VPD2 are intended to allow you to po …
- 1,906
2
votes
Will an impedance matching network also act as a filter?
They can act as a filter in the sense that the matching network will have a inherent frequency response out of band. This performance is definitely secondary to the impedance matching functionality.
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- 1,906