AMPLIFIER. HMC478ST89 Datasheet

HMC478ST89 Datasheet PDF

Part HMC478ST89
Description SiGe HBT GAIN BLOCK MMIC AMPLIFIER
Feature HMC478ST89 / 478ST89E v05.0710 SiGe HBT GAIN BLOCK MMIC AMPLIFIER, DC - 4 GHz AMPLIFIERS - DRIVER.
Manufacture Analog Devices
Datasheet
Download HMC478ST89 Datasheet





HMC478ST89
HMC478ST89 / 478ST89E
v05.0710
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 4 GHz
8
8 - 104
Typical Applications
The HMC478ST89 / HMC478ST89E 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
Functional Diagram
Features
P1dB Output Power: +18 dBm
Gain: 22 dB
Output IP3: +30 dBm
Cascadable 50 Ohm I/Os
Single Supply: +5V to +8V
Industry Standard SOT89 Package
Robust 1,000V ESD, Class 1C
Included in the HMC-DK001 Designer’s Kit
General Description
The HMC478ST89 & HMC478ST89E are SiGe
Heterojunction Bipolar Transistor (HBT) Gain Block
MMIC SMT amplifiers covering DC to 4 GHz. Pack-
aged 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 +20 dBm
output power. The HMC478ST89(E) offers 22 dB of
gain with a +30 dBm output IP3 at 850 MHz while
requiring only 62mA 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= 5V, Rbias= 18 Ohm, TA = +25° C
Parameter
Min.
Gain
Gain Variation Over Temperature
Input Return Loss
DC - 1.0 GHz
19
1.0 - 2.0 GHz
16
2.0 - 3.0 GHz
13
3.0 - 4.0 GHz
11
DC - 4 GHz
DC - 1.0 GHz
1.0 - 3.0 GHz
3.0 - 4.0 GHz
Output Return Loss
Reverse Isolation
Output Power for 1 dB Compression (P1dB)
Output Third Order Intercept (IP3)
(Pout= 0 dBm per tone, 1 MHz spacing)
DC - 3.0 GHz
3.0 - 4.0 GHz
DC - 4 GHz
0.5 - 1.0 GHz
15
1.0 - 2.0 GHz
13
2.0 - 3.0 GHz
10
3.0 - 4.0 GHz
8
0.5 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
Noise Figure
DC - 2.0 GHz
2.0 - 4.0 GHz
Supply Current (Icq)
Note: Data taken with broadband bias tee on device output.
Typ.
22
19
16
14
0.015
15
10
13
13
15
20
18
16
13
11
30
28
25
3
4
62
Max.
0.02
82
Units
dB
dB
dB
dB
dB/ °C
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
mA
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Trademarks and registered trademarks arAe tphepplriocpearttyioofntheSir urespppecotivret:owPnehrso. ne: 978-250-3A3p4p3licaotrionaSpuppsp@orht:iPtthitoen.ec: o1-m800-ANALOG-D



HMC478ST89
v05.0710
Broadband Gain & Return Loss
30
20
10
S21
0
S11
S22
-10
-20
-30
0
1
2
3
4
5
6
7
8
FREQUENCY (GHz)
Input Return Loss vs. Temperature
0
-5
-10
-15
+25C
-20
+85C
-40C
-25
-30
0
1
2
3
4
5
FREQUENCY (GHz)
Reverse Isolation vs. Temperature
0
-5
-10
+25C
+85C
-15
-40C
-20
-25
-30
0
1
2
3
4
5
FREQUENCY (GHz)
HMC478ST89 / 478ST89E
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 4 GHz
Gain vs. Temperature
30
25
20
15
+25C
10
+85C
-40C
5
0
0
1
2
3
4
5
FREQUENCY (GHz)
8
Output Return Loss vs. Temperature
0
+25C
-5
+85C
-40C
-10
-15
-20
0
1
2
3
4
5
FREQUENCY (GHz)
Noise Figure vs. Temperature
10
8
+25C
+85C
-40C
6
4
2
0
0
1
2
3
4
5
FREQUENCY (GHz)
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Trademarks and registered trademarks arAe tphepplriocpearttyioofntheSir urespppecotivret:owPnehrso. ne: 978-250-3A3p4p3licaotrionaSpuppsp@orht:iPtthitoen.ec: o1-m800-ANALOG-D
8 - 105




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