HMC548LP3 / 548LP3E
v03.1011
SiGe HBT MMIC LOW NOISE
AMPLIFIER, 1.2 - 3.0 GHz
Typical Applications
Features
Thꢂ HmC548lp3 / HmC548lp3e ꢀꢆ ꢀdꢂaꢁ ꢉꢄꢇ:
sꢀngꢁꢂ suꢃꢃꢁy: Vcc = +3 tꢄ +5V
lꢄꢅ Nꢄꢀꢆꢂ fꢀguꢇꢂ: 1.3 dB
Hꢀgh outꢃut ip3: +21 dBꢈ
Nꢄ extꢂꢇnaꢁ matchꢀng rꢂquꢀꢇꢂd
extꢂꢇnaꢁ fꢀꢁtꢂꢇ Accꢂꢆꢆ
• Automotive Telematics
• GPS Antenna Modules / Boosters
• Location Based Portables
• Satellite Navigation
3x3 ꢈꢈ lꢂadꢁꢂꢆꢆ smT packagꢂ
Functional Diagram
General Description
Thꢂ HmC548lp3 & HmC548lp3e aꢇꢂ cꢄꢈꢃꢇꢀꢆꢂd ꢄꢉ
two internally matched SiGe HBT MMIC low noise
aꢈꢃꢁꢀfiꢂꢇ ꢆtagꢂꢆ hꢄuꢆꢂd ꢀn 3x3 ꢈꢈ ꢁꢂadꢁꢂꢆꢆ smT
ꢃackagꢂꢆ. Thꢂ unꢀquꢂ tꢄꢃꢄꢁꢄgy ꢄꢉ thꢂ HmC548lp3
& HmC548lp3e ꢃꢇꢄvꢀdꢂꢆ ꢀntꢂꢇꢆtagꢂ accꢂꢆꢆ aꢁꢁꢄꢅꢀng
the designer to place a bandpass filter between the
two amplifier stages. This filtering approach enables
the receiver to reject nearby blocking signals such
as those emitted from cellular and 3G hand-helds,
ꢅꢀthꢄut ꢀncuꢇꢇꢀng thꢂ nꢄꢀꢆꢂ figuꢇꢂ dꢂgꢇadatꢀꢄn
aꢆꢆꢄcꢀatꢂd ꢅꢀth a hꢀgh ꢇꢂjꢂctꢀꢄn ꢃꢇꢂ-fiꢁtꢂꢇ. whꢂn
combined with the appropriate interstage bandpass
filter, this LNA can be used as a receiver pre-amplifier
in various applications from 1.2 to 3 GHz. Evaluation
boards are available with or without a GPS L1
(1575 MHz) band pass filter.
Electrical Specifications, TA = +25°C*
paꢇaꢈꢂtꢂꢇ
mꢀn.
Tyꢃ.
max.
mꢀn.
23
Tyꢃ.
max.
Unꢀtꢆ
MHz
V
fꢇꢂquꢂncy rangꢂ
1575
Vcc
+3
23
0.04
1.6
8
+5
26
0.04
1.3
8
Gain
20
dB
Gain Variation Over Temperature
Nꢄꢀꢆꢂ fꢀguꢇꢂ
0.05
1.9
0.05
1.6
dB/°C
dB
inꢃut rꢂtuꢇn lꢄꢆꢆ
dB
outꢃut rꢂtuꢇn lꢄꢆꢆ
Output 1 dB Compression (P1dB)
Saturated Output Power (Psat)
Output Third Order Intercept (IP3)
Supply Current (Icc)
14
16
dB
8
11
dBꢈ
dBꢈ
dBꢈ
ꢈA
10.5
13
12
21
21
10
15
30
* All measurements include external 1.57 - 1.6 GHz (GPS L1) band pass filter connected between pin 4 & pin 9.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
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