Datasheet

MAX9930–MAX9933
2MHz to 1.6GHz 45dB RF-Detecting
Controllers and RF Detector
10 ______________________________________________________________________________________10 ______________________________________________________________________________________
OUTPUT-
ENABLED
DELAY
DET DET DET DET
10dB
REFERENCE
CURRENT
OFFSET
COMP
SHDN
OUT
*INVERTING VOLTAGE TO CURRENT CONVERTER
CLPF
SET
RFIN
GND
V
CC
DET
10dB 10dB 10dB
X1
V-I*
OUTPUT-
ENABLED
DELAY
DET DET DET DET
10dB
REFERENCE
CURRENT
OFFSET
COMP
SHDN
OUT
CLPF
RFIN
GND
V
CC
DET
10dB 10dB 10dB
X1
V-I*
MAX9933
MAX9930
MAX9931
MAX9932
g
m
g
m
Figure 1. Functional Diagram
Pin Description
PIN
MAX9930/
MAX9931/
MAX9932
MAX9933
NAME FUNCTION
1 1 RFIN RF Input
22SHDN Shutdown. Connect to V
CC
for normal operation.
3 — SET Set-Point Input
4 4 CLPF
Lowpass Filter Connection. Connect external capacitor between CLPF and GND to set
control-loop bandwidth.
5 3, 5 GND Ground
6 6 N.C. No Connection. Not internally connected.
7 7 OUT PA Gain-Control Output
88V
CC
Supply Voltage. Bypass to GND with a 0.1µF capacitor.