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Preliminary
4-4
RF2373
Rev A1 040921
Pin
Function
Description
Interface Schematic
1RF IN
RF input pin. This pin is DC coupled.
2GND1
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
3BIAS
This pin is used to control the bias current. An external resistor can be
used to set the bias current for any VBIAS voltage. See table with evalu-
ation board schematic.
4RF OUT
Amplifier output pin. This pin is an open-collector output. It must be
biased to VCC through a choke or matching inductor. This pin is typi-
cally matched to 50
Ω with a shunt bias/matching inductor and series
blocking/matching capacitor. Refer to application schematics.
5GND2
Ground connection. For best performance, keep traces physically short
and connect immediately to ground plane.
RF IN
RF OUT
To Bias
Circuit
VBIAS
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