HMC450QS16G Datasheet, PDF (6/8 Pages) Hittite Microwave Corporation – GaAs InGaP HBT MMIC POWER AMPLIFIER, 0.8 - 1.0 GHz

v02.0406
HMC450QS16G / 450QS16GE
GaAs InGaP HBT MMIC
POWER AMPLIFIER, 0.8 - 1.0 GHz
Pin Descriptions
Pin Number
Function
1, 2, 4, 5, 7, 8,
9, 10, 13, 15
GND
Description
Ground: Backside of package has exposed metal ground slug that must
be connected to ground thru a short path. Vias under the device are
required.
Interface Schematic
5
3, 14
Vpd1, Vpd2
Power Control Pin. For maximum power, this pin should be connected
to 4.0V. For 5V operation, a dropping resistor is required. A higher
voltage is not recommended. For lower idle current, this voltage can be
reduced.
6
11, 12
RFIN
This pin is AC coupled and matched to 50 Ohms from 0.8 to 1.0 GHz.
RFOUT
RF output and bias for the output stage.
Power supply voltage for the first amplifier stage. An external bypass
16
Vcc
capacitor of 330 pF is required as shown in the application schematic.
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com
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