HMC770LP4BE Datasheet, PDF (11/14 Pages) Hittite Microwave Corporation – GaAs pHEMT 50 / 75 Ohm DIFFERENTIAL AMPLIFIER, 0.04 - 1 GHz

v00.0909
HMC770LP4BE
GaAs pHEMT 50 / 75 Ohm
DIFFERENTIAL AMPLIFIER, 0.04 - 1 GHz
9
Pin Descriptions
Pin Number
Function
1, 5
INN, INP
11, 15
OUTN, OUTP
9, 17
2 - 4, 6 - 8, 10,
12 - 14, 16, 18, 19
RFCN,
RFCP
N/C
20
BIAS
Description
This pin is DC coupled
An off chip DC blocking capacitor is required
This pin is DC coupled
An off chip DC blocking capacitor is required
RF Choke and DC Bias (Vdd) for the output stage
These pins may be left unconnected.
This pin is used to set the DC current of the
amplifier by selection of the external bias resistor.
See application circuit.
Interface Schematic
Package
Base
GND
Package bottom must be
connected to RF/DC ground.
Application Circuit -
for Transimpedance Amplifier Mode for use with 75 Ohm Evaluation Board
9 - 210
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