RMS Power Detector
Typical Operating Circuit
TERMINATION RESISTOR NOT NEEDED
IF TWO OR MORE DIRECTIONAL COUPLERS
ARE USED AND CONFIGURED AS IN FIGURE 1.
+
MAX2203
RF INPUT FROM
DIRECTIONAL
COUPLER
50 ?
1%
220pF
24.3k ?
A1
RFIN/
ENA
A2
GND
ENABLE
LOGIC INPUT
V CC
B1
GND
B2
FILT
C1
0.1 μ F
MUST BE X5R
OR X7R TYPE
TYPE
WCDMA
NCDMA
C1 (μF)
0.1
0.33
C2 (nF)
4.7
15
0.1 μ F
C1
V CC
C2
OUT
10k ?
TO ADC
C2
4700pF
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages .
PACKAGE TYPE
6 WLP
PACKAGE CODE
W61B1+1
DOCUMENT NO.
21-0217
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 7
? 2009 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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