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參數資料
| 型號： | HMC475ST89E |
| 廠商： | HITTITE MICROWAVE CORP |
| 元件分類： | 放大器 |
| 英文描述： | 0 MHz - 4500 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOT-89, SMT, 3 PIN |
| 文件頁數： | 1/6頁 |
| 文件大小： | 202K |
| 代理商： | HMC475ST89E |
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
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HMC475ST89 / 475ST89E
InGaP HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 4.5 GHz
v02.0710
Functional Diagram
General Description
The HMC475ST89(E) is a InGaP Heterojunction
Bipolar Transistor (HBT) Gain Block MMIC SMT
amplifier covering DC to 4.5 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 +25 dBm output power.
The HMC475ST89(E) offers 21.5 dB of gain and +35
dBm output IP3 at 850 MHz while requiring only 110
mA from a single positive supply. The Darlington
topology results in reduced sensitivity to normal
process variations and excellent gain stability over
temperature while requiring a minimal number of
external bias components.
Typical Applications
The HMC475ST89 / HMC475ST89E 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
IF and RF Applications
Electrical Specifications, Vs= 8.0 V, Rbias= 9.1 Ohm, T
A = +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 - 4.5 GHz
19.5
17.5
14.5
11.5
9
21.5
19.5
16.5
13.5
12
dB
Gain Variation Over Temperature
DC - 4.5 GHz
0.008
0.012
dB/ °C
Input Return Loss
DC - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 4.5 GHz
11
14
dB
Output Return Loss
DC - 1.0 GHz
1.0 - 4.5 GHz
13
10
dB
Reverse Isolation
DC - 4.5 GHz
25
dB
Output Power for 1 dB Compression (P1dB)
DC - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 4.5 GHz
19.0
18.0
17.5
13.0
11.0
22.0
21.0
19.5
16.0
14.0
dBm
Output Third Order Intercept (IP3)
(Pout= 0 dBm per tone, 1 MHz spacing)
DC - 2.5 GHz
2.5 - 4.5 GHz
35
30
dBm
Noise Figure
DC - 3.0 GHz
3.0 - 4.5 GHz
3.5
3.8
dB
Supply Current (Icq)
110
135
mA
Note: Data taken with broadband bias tee on device output.
Features
P1dB Output Power: +22 dBm
Gain: 21.5 dB
Output IP3: +35 dBm
Cascadable 50 Ohm I/Os
Single Supply: +8V to +12V
Industry Standard SOT89 Package
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