
What are IP3, IIP3 and P1dB ? | Forum for Electronics
2010年11月22日 · Re: IP3 IIP3 P1dB lna rf IP3: Third-order intercept point The intercept point is a purely mathematical concept, and does not correspond to a practically occurring physical power level. In many cases, it lies beyond the damage threshold of the device.
How to improve the LNA's IIP3?Thanks! | Forum for Electronics
2004年10月8日 · lna ip3 Hi All:) I am designing a high IIP3 LNA.and meet some difficults to imprive IIP3,what should I do? How many methods can be use to improve the LNA's IP3? Thanks!
Clarification about IIP3 measurement in ADS | Forum for Electronics
2014年6月30日 · Dear Sir, I designed low noise amplifier at 1.4 GHz using Avago ATF54143 transistor. I obtained gain of S21 of 17.718dB at 1.4 GHz. Using the template of HB2 power swept in ADS, I have simulated source power, fundamental power, and third order power and using these values , I have...
IIP3 simulation in ADS Keysight - Forum for Electronics
2020年11月26日 · In order to simulate or measure a OIP3/IIP3 the Output Power for each carrier ought to be approximately -20dB lower than P1dB Compression Point. But your Output level for each tone is Too LOW.
IIP3 Simulation setup in ADS - Forum for Electronics
2012年12月14日 · The resulting data display includes pre-configured tables that plot Input TOI (IIP3) and Output TOI (OIP3) for both low side and high side tones. Also fifth order intercept points.
How to convert from IM3 to IP3? - Forum for Electronics
2004年11月24日 · What is the relation between IM3 (3rd order intermodulation component) and IP3 (third-order intercept point)? How do I convert from IM3 to IP3?
Is it mandtory the difference between IIP3 and P1dB compression …
2014年8月15日 · In my opinion 34dB difference between P1dB and IIP3 is unusual. This could happen only if the bypass impedance of the bias circuit (at the frequency of F2-F1) is much higher than the input impedance of the LNA. Bias decoupling of both, drain and gate, affect the difference in dB between P1dB and IIP3.
IIP3 calculation: Pin or Pout? | Forum for Electronics
2016年3月20日 · Hi, I've seen a few sources post the following and needed some clarification. Thanks in advance: 1. IIP3=Pin+(Pout-IM3)/2 2. IIP3=Pin+(Pin-IM3)/2 Is #2 valid only if the gain is unity (Pin=Pout)? Or is there something else I'm missing? -Robert
What does it mean that IIP3 rating is -15 dBm? | Forum for …
2008年1月17日 · Having a time tough understanding IIP3 (Third Order Intercept Point). I am loking at a radio chip made by Serenza/RFMD that has a IIP3 rating of -15dBm. Does this mean that my input signal to the LNA will be equal to the intermod signal at -15dBm?
How to improve IIP3 - Forum for Electronics
2006年11月6日 · The bias bypassing can improve IIP3 performance without increasing current consumption. The impedance of bypassing circuit should be lower than 25% of the input impedance of the transistor at particular frequency spacing, preserving the gain performance of the amplifier. In general any mismatch due to noise matching improves IIP3. Increasing …