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Hittite Microwave Corporation - SiGe HBT GAIN BLOCK MMIC AMPLIFIER/ DC - 5.0 GHz

Numéro de référence HMC481ST89
Description SiGe HBT GAIN BLOCK MMIC AMPLIFIER/ DC - 5.0 GHz
Fabricant Hittite Microwave Corporation 
Logo Hittite Microwave Corporation 





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HMC481ST89 fiche technique
v00.0204
MICROWAVE CORPORATION
HMC481ST89
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
8
8 - 286
Typical Applications
The HMC481ST89 is an ideal RF/IF
gain block & LO or PA driver for:
• Cellular / PCS / 3G
• Fixed Wireless & WLAN
• CATV, Cable Modem & DBS
• Microwave Radio & Test Equipment
Functional Diagram
Features
P1dB Output Power: +19 dBm
Gain: 20 dB
Output IP3: +33 dBm
Cascadable 50 Ohm I/Os
Single Supply: +6V to +12V
Industry Standard SOT89 Package
General Description
The HMC481ST89 is a SiGe Heterojunction Bipolar
Transistor (HBT) Gain Block MMIC SMT amplifier
covering DC to 5 GHz. Packaged in an industry
standard SOT89, the amplifier can be used as a
cascadable 50 Ohm RF/IF gain stage as well as a
LO or PA driver with up to +21 dBm output power.
The HMC481ST89 offers 20 dB of gain with a +33
dBm output IP3 at 1 GHz while requiring only 79
mA from a single positive supply. The Darlington
feedback pair used results in reduced sensitivity
to normal process variations and excellent gain
stability over temperature while requiring a minimal
number of external bias components.
Electrical Specifications, Vs= 8.0 V, Rbias= 39 Ohm, TA = +25° C
Parameter
Min.
Typ.
Max.
Units
Gain
DC - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 5.0 GHz
18
15.5
13
11
9
20
17.5
15
13
11
dB
dB
dB
dB
dB
Gain Variation Over Temperature
DC - 5.0 GHz
0.008
0.016
dB/ °C
Input Return Loss
DC - 1.0 GHz
1.0 - 5.0 GHz
12
15
dB
dB
Output Return Loss
DC - 1.0 GHz
1.0 - 4.0 GHz
4.0 - 5.0 GHz
17
27
23
dB
dB
dB
Reverse Isolation
DC - 5.0 GHz
18
dB
Output Power for 1 dB Compression (P1dB)
0.5 - 1.0 GHz 16 19
1.0 - 2.0 GHz 15 18
2.0 - 3.0 GHz 13 16
3.0 - 4.0 GHz 11 14
4.0 - 5.0 GHz 9 12
dBm
dBm
dBm
dBm
dBm
Output Third Order Intercept (IP3)
(Pout= 0 dBm per tone, 1 MHz spacing)
0.5 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 5.0 GHz
33
30
27
25
dBm
dBm
dBm
dBm
Noise Figure
DC - 4.0 GHz
4.0 - 5.0 GHz
3.5
4.0
dB
dB
Supply Current (Icq)
79 mA
Note: Data taken with broadband bias tee on device output.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com

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