HMC346LP3 Datasheet, PDF (5/6 Pages) Hittite Microwave Corporation – GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, DC - 14 GHz

v02.0604
MICROWAVE CORPORATION
HMC346LP3
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, DC - 14 GHz
9
Pin Descriptions
Pin Number
Function
1, 3, 7, 10, 12
GND
2, 11
RF1
RF2
4, 9, 13, 14, 15, 16
N/C
Description
Package bottom has exposed metal paddle that must also be
connected to PCB RF ground.
This pin is DC coupled and matched to 50 Ohm. Blocking
capacitors are required if the RF line potential is not equal to 0V.
This pin should be connected to PCB RF ground.
Interface Schematic
5, 8
V2, V1
Control input (master).
6
I
Single-Line Control Driver
Control input (slave).
9 - 78
External op-amp control circuit maintains impedance match while attenuation is varied. Input control ranges from 0 Volts (min.
attenuation) to -3.0 Volts (max. attenuation.)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order Online at www.hittite.com