The MAX2203 RMS power detector is designed to operate from 800MHz to 2.0GHz. The device is ideal for wideband code-division multiple access (WCDMA), cdma2000®, and high-speed downlink/uplink packet access. The MAX2203 accepts an RF signal at the input and outputs the same voltage regardless of the
peak-average of the input signal. The output voltage and input power is linear in dB. The device has a -24dBm to +3dBm detection range, and every dB
change in input power gives 35mV (typ) change in output voltage.
The MAX2203 operates from a 2.5V to 4.2V supply and is specified over the -40°C to +85°C extended temperature range. The device is available in a 6-bump WLP
package.
Key Features
Applications/Uses
-24dBm to +3dBm Power-Detection Range
35mV/dB (typ) Log Detector
0.1dB (typ) RMS Accuracy from WCDMA Modulation Change
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