HMC468LP3 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – 1 dB LSB GaAs MMIC 3-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 6.0 GHz

v00.0403
HMC468LP3
MICROWAVE CORPORATION
1 dB LSB GaAs MMIC 3-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 6.0 GHz
9
Pin Descriptions
Pin Number
Function
1, 3, 4, 8, 9, 10, 12
N/C
2,11
RF1, RF2
Description
These pins should be connected to PCB RF ground to maxi-
mize performance.
This pin is DC coupled and matched to 50 Ohm. Blocking
capacitors are required
Interface Schematic
13 - 15
V1 - V3
See truth table and control voltage table.
5-7
16
ACG1 - ACG3
Vdd
GND
Application Circuit
External capacitor to ground is required.
Select value for lowest frequency of operation.
Place capacitor as close to pins as possible.
Supply Voltage
Package bottom has an exposed metal paddle
that must be connected to RF/DC ground.
9 - 108
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12 Elizabeth Drive, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
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