HMC468LP3_08 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – 1 dB LSB GaAs MMIC 3-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 6 GHz

HMC468LP3 / 468LP3E
v03.1107
1 dB LSB GaAs MMIC 3-BIT DIGITAL
POSITIVE CONTROL ATTENUATOR, DC - 6 GHz
5
Pin Descriptions
Pin Number
Function
Description
Interface Schematic
1, 3, 4, 8,
N/C
9, 10, 12
These pins should be connected to PCB
RF ground to maximize performance.
2, 11
RF1, RF2
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required
13 - 15
V1 - V3
5-7
16
ACG1 - ACG3
Vdd
GND
Application Circuit
See truth table and control voltage table.
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.
5 - 142
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com