FAQ: Baseband Bandwidth of ADL5375 Broadband IQ Modulator

Document created by enash Employee on Feb 23, 2011Last modified by AndyR on Jan 31, 2012
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Q.

Do you have a plot showing the baseband bandwidth of the ADL5375?

 

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A.

The two attached plots show the results of baseband frequency sweeps of the ADL5375-05 and ADL5375-15.  In both cases,  the frequency cruvature of the IQ Modulator's RF output response has been calibrated out. The ADL5375-05 has a 3 dB bandwidth of 750 MHz. In the case of the ADL5375-15, the device's baseband response was measured up to approximately 850 MHz at which point it was 1 dB down.

 

ADL5375-05 Baseband Bandwidth

ADL5375-05 BB Bandwidth.jpg

ADL5375-15 Baseband Bandwidth

ADL5375-15 BB Bandwidth.jpg

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