HMC454ST89_07 Datasheet, PDF (7/12 Pages) Hittite Microwave Corporation – InGaP HBT ½ WATT HIGH IP3 AMPLIFIER, 0.4 - 2.5 GHz

v04.0907
HMC454ST89 / 454ST89E
InGaP HBT ½ WATT HIGH IP3
AMPLIFIER, 0.4 - 2.5 GHz
9
Pin Descriptions
Pin Number
Function
1
RFIN
Description
This pin is AC coupled.
Off chip matching components are required.
See Application Circuit herein.
Interface Schematic
RF output and DC Bias input for the output amplifier stage.
3
RFOUT
Off chip matching components are required.
See Application Circuit herein.
2,4
GND
These pins & package bottom must be connected to
RF/DC ground.
900 MHz Application Circuit, Compact Layout
This circuit was used to specify the performance for 894-960 MHz operation. This circuit will satisfy many applications
from 700 to 1200 MHz. Contact the HMC Applications Group for assistance in optimizing performance for your
application.
9 - 226
TL1
Impedance
50 Ohm
Physical Length
0.050”
Electrical Length
2.5°
PCB Material: 10 mil Rogers 4350,
Er = 3.48
Recommended Component Values
L1, L2
1 nH
L3
36 nH
R1
5.1 Ohms
C1
8 pF
C2
22 pF
C3
2.7 pF
C4, C6
100 pF
C5
2.2 μF
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com