5
AMPLIFIERS - SMT
www.DataSheet4U.com
5 - 432
HMC475ST89 / 475ST89E
v01.0107
InGaP HBT GAIN BLOCK MMIC AMPLIFIER, DC - 4.5 GHz
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Typical Applications |
Features |
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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
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
Functional Diagram |
General Description |
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The HMC475ST89(E) is a InGaP Heterojunction |
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Bipolar Transistor (HBT) Gain Block MMIC SMT |
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amplif i er covering DC to 4.5 GHz. Packaged in an |
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industry standard SOT89, the amplifi er can be used |
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as a cascadable 50 Ohm RF/IF gain stage as well as |
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a LO or PA driver with up to +25 dBm output power. |
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The HMC475ST89(E) offers 21.5 dB of gain and +35 |
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dBm output IP3 at 850 MHz while requiring only 110 |
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mA from a single positive supply. The Darlington |
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topology results in reduced sensitivity to normal |
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process variations and excellent gain stability over |
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temperature while requiring a minimal number of |
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external bias components. |
Electrical Specifications, Vs= 8.0 V, Rbias= 9.1 Ohm, TA = +25° C
Parameter |
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Min. |
Typ. |
Max. |
Units |
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DC - 1.0 GHz |
19.5 |
21.5 |
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dB |
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1.0 - 2.0 GHz |
17.5 |
19.5 |
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dB |
Gain |
2.0 - 3.0 GHz |
14.5 |
16.5 |
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dB |
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3.0 - 4.0 GHz |
11.5 |
13.5 |
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dB |
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4.0 - 4.5 GHz |
9 |
12 |
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dB |
Gain Variation Over Temperature |
DC - 4.5 GHz |
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0.008 |
0.012 |
dB/ °C |
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DC - 1.0 GHz |
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11 |
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dB |
Input Return Loss |
1.0 - 2.0 GHz |
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14 |
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dB |
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2.0 - 4.5 GHz |
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14 |
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dB |
Output Return Loss |
DC - 1.0 GHz |
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13 |
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dB |
1.0 - 4.5 GHz |
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10 |
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dB |
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Reverse Isolation |
DC - 4.5 GHz |
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25 |
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dB |
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DC - 1.0 GHz |
19.0 |
22.0 |
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dBm |
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1.0 - 2.0 GHz |
18.0 |
21.0 |
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dBm |
Output Power for 1 dB Compression (P1dB) |
2.0 - 3.0 GHz |
17.5 |
19.5 |
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dBm |
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3.0 - 4.0 GHz |
13.0 |
16.0 |
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dBm |
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4.0 - 4.5 GHz |
11.0 |
14.0 |
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dBm |
Output Third Order Intercept (IP3) |
DC - 2.5 GHz |
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35 |
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dBm |
(Pout= 0 dBm per tone, 1 MHz spacing) |
2.5 - 4.5 GHz |
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30 |
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dBm |
Noise Figure |
DC - 3.0 GHz |
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3.5 |
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dB |
3.0 - 4.5 GHz |
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3.8 |
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dB |
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Supply Current (Icq) |
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110 |
135 |
mA |
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Note: Data taken with broadband bias tee on device output.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC475ST89 / 475ST89E
v01.0107
InGaP HBT GAIN BLOCK MMIC AMPLIFIER, DC - 4.5 GHz
Broadband Gain & Return Loss
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25 |
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20 |
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15 |
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10 |
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(dB) |
5 |
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S21 |
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0 |
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S11 |
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RESPONSE |
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-5 |
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S22 |
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-10 |
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-15 |
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-20 |
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-25 |
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-30 |
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-35 |
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-40 |
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0 |
1 |
2 |
3 |
4 |
5 |
6 |
FREQUENCY (GHz)
Input Return Loss vs. Temperature
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0 |
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(dB) |
-5 |
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+25C |
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-10 |
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+85C |
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LOSS |
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-40C |
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-15 |
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RETURN |
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-20 |
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INPUT |
-25 |
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-30 |
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-35 |
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0 |
1 |
2 |
3 |
4 |
5 |
FREQUENCY (GHz)
5
Gain vs. Temperature
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26 |
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SMT |
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24 |
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22 |
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20 |
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18 |
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(dB) |
16 |
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14 |
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GAIN |
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AMPLIFIERS |
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12 |
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+25C |
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10 |
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+85C |
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8 |
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-40C |
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6 |
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4 |
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2 |
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0 |
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0 |
1 |
2 |
3 |
4 |
5 |
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FREQUENCY (GHz) |
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Output Return Loss vs. Temperature
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0 |
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(dB) |
-5 |
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+25C |
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+85C |
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LOSS |
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-40C |
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-10 |
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RETURN |
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-15 |
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OUTPUT |
-20 |
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-25 |
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0 |
1 |
2 |
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4 |
5 |
FREQUENCY (GHz)
Reverse Isolation vs. Temperature
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0 |
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(dB) |
-5 |
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-10 |
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+25C |
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ISOLATION |
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+85C |
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-15 |
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-40C |
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-20 |
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REVERSE |
-25 |
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-30 |
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-35 |
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-40 |
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0 |
1 |
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4 |
5 |
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FREQUENCY (GHz) |
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Noise Figure vs. Temperature
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10 |
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9 |
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8 |
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+25C |
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(dB) |
7 |
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+85C |
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-40C |
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FIGURE |
6 |
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5 |
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NOISE |
4 |
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3 |
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2 |
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1 |
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0 |
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0 |
1 |
2 |
3 |
4 |
5 |
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 5 - 433 Order On-line at www.hittite.com
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