Power Amplifier
Data Sheet
FEATURES
58 dB typical small signal gain 43 dBm typical saturated output power 48 dBm typical output IP3 6 dB...
Description
Data Sheet
FEATURES
58 dB typical small signal gain 43 dBm typical saturated output power 48 dBm typical output IP3 6 dB maximum noise figure Operates from 12 V and 28 V supplies Built-in bias sequencing Enable pin to provide shutdown capability
APPLICATIONS
Telecom infrastructure Test instrumentation Military
2 GHz to 6 GHz, 25 W Power Amplifier Module
HMC7748
FUNCTIONAL BLOCK DIAGRAM
12V 28V
HMC7748
REGULATION EN AND
BIAS SEQUENCING
BIAS SEQUENCING
RF IN
GND
Figure 1.
RF OUT
12949-001
GENERAL DESCRIPTION
The HMC7748 is a multistage power amplifier (PA) that provides 25 W of saturated output power across the band of 2 GHz to 6 GHz. It draws 0.7 A from a 12 V supply and up to 4 A from a 28 V supply. Input signals of as much as −8 dBm are acceptable, and the module has small signal gain of 60 dB.
The 12 V supply is regulated internally and generates the negative voltage required for the gate bias. Built-in bias sequencing prevents the drain voltages for the amplifier stages f...
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