HMC973LP3 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, 0.5 - 6.0 GHz

8
v00.0910
HMC973LP3E
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
Pin Descriptions
Pin Number
Function
1, 2, 4, 9, 11, 12
Ground Paddle
GND
3
RFOUT
5
Vdd
6, 8, 13 - 16
N/C
Description
These pins and the exposed ground paddle must
be connected to RF/DC ground.
This pin is DC coupled and matched to 50 Ohms.
A blocking capacitor is required if RF line potential
is not equal to 0V.
Supply Voltage
The pins are not connected internally; however, all data
shown herein was measured with these pins connected to
RF/DC ground externally.
Interface Schematic
7
Vctrl
Control Voltage
This pin is DC coupled and matched to 50 Ohms.
A blocking capacitor is required if RF line potential
10
RFIN
is not equal to 0V. The HMC973LP3E is a unidirectional
device with optimum linearity performance achieved with
RF input signal applied to RFIN package lead.
Application Circuit
8-5
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