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Subject: RF Output Impedance Measurement

Date: 09/25/03 at 2:33 AM
Posted by: Ooi
E-mail: eohl[AT55]mmm-technology.com (replace [AT55] with @ to reply)
Message Posted:

How do I measure the output impedance from the power amplifier output of a RF transmitter IC operating at 434-435 MHz? I would like to know the procedure as the IC manufacturer did not specify or provide any Z or S parameter. With the necessary output impedance I will be able to design the proper matching network to the antenna. BTW, I have access to equipment such as a vector network analyzer, spectrum analyzer etc.


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