HMC409LP4 Просмотр технического описания (PDF) - Hittite Microwave
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HMC409LP4 Datasheet PDF : 8 Pages
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v01.0705
HMC409LP4 / 409LP4E
GaAs InGaP HBT 1 WATT
POWER AMPLIFIER, 3.3 - 3.8 GHz
5
Pin Descriptions
Pin Number
1-3, 5, 6, 8, 10 -14,
18, 19, 21, 22, 24
Function
N/C
4
RFIN
Description
No conection required. These pins may be connected to
RF/DC ground without affecting performance.
This pin is AC coupled and matched to 50 Ohms from
3.3 - 3.8 GHz.
Interface Schematic
Power control pin. For maximum power, this pin should be
connected to 5.0V thru a 56 Ω resistor. A high-voltage or
7
Vpd
small resistor is not recommended for lower idle current.
This voltage can be reduced or the resistor increased.
9
Vbias
DC power supply pin for bias circuitry
15, 16, 17
RFOUT
RF output and DC bias for the output stage.
Power supply voltage for the second amplifier stage. Exter-
20
VCC2
nal bypass capacitors and pull up choke are required as
shown in the application schematic.
Power supply voltage for the first amplifier stage. External
23
VCC1
bypass capacitors are required as shown in the application
schematic.
GND
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.
5 - 172
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20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
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