HMC344 Datasheet, PDF (8/9 Pages) Hittite Microwave Corporation – GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz

v06.0709
HMC344
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 8 GHz
4
Pad Descriptions
Pad Number
1, 2, 3,
4, 5, 10
Function
RF4, RFC, RF1,
RF2, RF3
Description
These pads are DC coupled and matched to 50 Ohms.
Blocking capacitors are required.
6
A
See truth table and control voltage table.
7
B
See truth table and control voltage table.
Interface Schematic
8
9, Die
Bottom
Vee
GND
Supply Voltage -5.0 Vdc ±10%
Die bottom and pad must be connected to RF/DC ground.
TTL Interface Circuit
4 - 24
Note:
Control inputs A and B can be driven directly with TTL logic with -5 Volts
applied to the HCT logic gates Vee pin and to Vee (pad) of the RF Switch.
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com