For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
AMPLIFIERS - DRIVER & GAIN BLOCK - SMT
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8 - 116
HMC479ST89 / 479ST89E
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5 GHz
v02.0710
General DescriptionFunctional Diagram
The HMC479ST89 & HMC479ST89E are SiGe
Heterojunction Bipolar Transistor (HBT) Gain Block
MMIC SMT ampli ers covering DC to 5 GHz. Packaged
in an industry standard SOT89, the ampli er can be
used as a cascadable 50 Ohm RF/IF gain stage as
well as a LO or PA driver with up to +20 dBm output
power. The HMC479ST89 offers 15 dB of gain with a
+33 dBm output IP3 at 850 MHz while requiring only
75 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.
P1dB Output Power: +18 dBm
Gain: 15 dB
Output IP3: +33 dBm
Cascadable 50 Ohm I/Os
Single Supply: +5V to +12V
Industry Standard SOT89 Package
Included in the HMC-DK001 Designer’s Kit
Typical Applications
The HMC479ST89 / HMC479ST89E is an ideal RF/IF
gain block & LO or PA driver:
• Cellular / PCS / 3G
• Fixed Wireless & WLAN
• CATV, Cable Modem & DBS
• Microwave Radio & Test Equipment
Electrical Speci cations, Vs= 8.0 V, Rbias= 51 Ohm, T
A
= +25° C
Note: Data taken with broadband bias tee on device output.
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
12.5
11.5
10.5
9.5
8.5
15
13.5
12.5
11.5
10.5
dB
dB
dB
dB
dB
Gain Variation Over Temperature DC - 5 GHz 0.008 0.012 dB/ °C
Input Return Loss
DC - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 4.0 GHz
4.0 - 5.0 GHz
12
16
18
22
dB
dB
dB
dB
Output Return Loss
DC - 1.0 GHz
1.0 - 5.0 GHz
20
22
dB
dB
Reverse Isolation DC - 5 GHz 18 dB
Output Power for 1 dB Compression (P1dB)
0.5 - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 5.0 GHz
15
13
11
10
8
18
16
14
13
11
dBm
dBm
dBm
dBm
Output Third Order Intercept (IP3)
(Pout= 0 dBm per tone, 1 MHz spacing)
0.5 - 1.0 GHz
1.0 - 2.5 GHz
2.5 - 4.0 GHz
4.0 - 5.0 GHz
33
30
25
23
dBm
dBm
dBm
dBm
Noise Figure
DC - 3.0 GHz
3.0 - 5.0 GHz
4.0
4.5
dB
dB
Supply Current (Icq) 75 mA
Features
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
