What is the device-to-device variation for the peak power detection measurement in the linear operating region (approximately 5-20dBm input power) when operating in uncalibrated mode at frequencies over 100MHz?

Question

What is the device-to-device variation for the peak power detection measurement  in the linear operating region (approximately 5-20dBm input power) when operating in uncalibrated mode at frequencies over 100MHz?

Accepted Answer

The part-to-part variation in the VENV voltage will be similar to the VRMS output voltage, which is roughly 5 dB as shown in Figure 30. Therefore, the device-to-device variation in the linear region (approximately 5-20dBm input power) is still around +/-2.5dB.

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ADL5904 : FAQ