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High Dynamic Range LNA
IN
GND
OUT
VDD
VBC
C1 L2
L1 C2
GND
800 - 1000 MHz
V 2.00
AM50-0011
Features
n Ideal for Base Station Applications
n High Gain
n Low Noise Figure
n High Input IP
n Single +5 V Supply Voltage
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Description
M/A-COM’s AM50-0011 is a high dynamic range, GaAs
MMIC, low noise amplifier in a low-cost SOT-26 package.
It employs external matching to obtain optimum noise
figure and intercept performance. The AM50-0011 may be
operated with supply voltages of +5 V.
The AM50-0011 is ideally suited for use where low noise
figure, high gain, and high dynamic range are required.
Typical applications included receiver front ends in AMPS,
GSM and ETACS base stations. It may also be used as an
IF amplifier in certain other communication systems.
M/A-COM fabricates the AM50-0011 using a low-cost 0.5micron gate E-D SAGFET GaAs process that features full
passivation for reliability and performance. M/A-COM
fully tests all assembled GaAs IC’s for RF and DC
performance against guaranteed specifications using
automated RF IC handling and test equipment before
shipping to customers.
Functional Schematic
C3
GND
Pin Configuration
PIN No. PIN Description
1 VBC Bias Control Voltage
2 GND Ground
3 RF IN RF Input
4 GND Ground
5 GND Ground
Absolute Maximum Ratings 1
Parameter Absolute Maximum
Supply Voltage 6 volts
RF Input Power 8 dBm
Operating Temperature -40° to +85 °C
Storage Temperature -65° to +150 °C
1. Exceeding any one or combination of these limits may
cause permanent damage.
2. Minimum MTTF is 1x10
6
85°C, at +5 V and 75 mA
6 RF OUT RF Output
Part Value
L1 7.5 nH
L2 68 nH
C1 33 pF
C2 100 pF
C3 100 pF
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High Dynamic Range LNA, 800 - 1000 MHz
Electrical Specifications: TA = 25 °C, Z0 = 50 Ω, F = 900 MHz, PIN = -25 dBm,
VBC = 5 V, Supply Voltage = 5 V1
AM50-0011
V 2.00
Units Min. Typ. Max.
dB 15 16 17
dB 0.8 1.3
dBm 15.5
Gain
Noise Figure
Output P
1dB
Parameter
Supply Current mA 52 75
Input IP3 dBm 12 14.4
Input V
Output V
1.8:1
SWR
1.9:1
SWR
1. All measurements are taken into a 50-ohm system unless otherwise specified.
Typical S-Parameters at 5.0 Volts
Frequency S21 S12 S22
MHz Mag Ang Mag Ang Mag Ang Mag Ang
200 0.48 -49.66 9.34 154.18 0.03 27.77 0.22 176.29
300 0.51 --66.15 8.88 142.56 0.04 22.36 0.25 168.84
400 0.53 -79.22 8.21 134.07 0.04 29.75 0.23 165.03
500 0.54 -91.86 7.60 125.78 0.05 36.41 0.26 155.77
600 0.57 -101.06 7.12 117.55 0.05 33.59 0.26 152.78
700 0.58 -110.79 6.46 110.04 0.06 33.73 0.27 147.26
800 0.59 -117.54 6.05 104.16 0.06 33.13 0.27 141.77
900 0.60 -124.29 5.55 97.31 0.06 34.47 0.28 135.23
1000 0.61 -129.68 5.18 92.23 0.07 33.42 0.28 130.14
1100 0.63 -135.05 4.83 86.25 0.08 31.44 0.29 124.27
1200 0.64 -139.81 4.49 81.33 0.08 33.56 0.30 117.78
1300 0.64 -144.08 4.19 76.49 0.08 32.18 0.31 110.61
1400 0.66 -147.34 3.94 71.84 0.09 29.66 0.32 105.59
1500 0.66 -151.48 3.69 67.45 0.09 28.63 0.34 99.61
1600 0.67 -154.72 3.49 62.89 0.10 28.38 0.36 96.38
1700 0.68 -158.72 3.23 59.27 0.10 27.84 0.39 92.40
1800 0.68 -162.04 3.04 55.70 0.10 26.22 0.40 89.88
1900 0.69 -164.46 2.88 52.15 0.10 25.25 0.41 88.46
2000 0.69 -166.68 2.74 48.73 0.11 23.15 0.42 85.35
2100 0.69 -169.52 2.59 45.76 0.11 23.26 0.43 83.28
2200 0.69 -171.95 2.49 41.82 0.11 21.07 0.44 78.45
2300 0.69 -173.86 2.37 38.64 0.12 19.72 0.44 76.69
2400 0.70 -175.94 2.25 35.32 0.12 18.62 0.44 72.60
2500 0.70 -177.82 2.17 31.63 0.12 15.49 0.43 67.17
2600 0.71 -179.80 2.06 27.98 0.12 14.81 0.45 62.63
2700 0.72 178.28 1.96 24.6 0.12 11.42 0.45 56.21
2800 0.72 176.15 1.87 21.63 0.13 10.29 0.47 51.44
2900 0.72 174.28 1.77 18.68 0.13 9.49 0.49 48.17
3000 0.73 172.15 1.69 15.50 0.13 7.26 0.52 43.42
S11
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
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High Dynamic Range LNA, 800 - 1000 MHz
25C
Typical Performance Curves at VDD = 5 Volts
AM50-0011
V 2.00
Typical Noise Figure
1.9
1.7
1.5
1.3
1.1
NF (dB)
0.9
0.7
0.5
700 800 900 1000
FREQUENCY (MHz)
Output V
3.0
2.8
2.6
2.4
2.2
2.0
VSWR
1.8
1.6
1.4
1.2
1.0
700 800 900 1000 1100
SWR
25°C
FREQUENCY (MHz)
Typical Current
70
85C
-40C
-45°C
85°C
Typical Gain
19
18
17
16
15
Gain (dB)
14
13
12
700 800 900 1000
Input V
3.0
2.8
2.6
2.4
2.2
2.0
1.8
VSWR
1.6
1.4
1.2
1.0
700 800 900 1000 1100
SWR
FREQUENCY (MHz)
-45°C
25°C
85°C
FREQUENCY (MHz)
25C
-45C
85C
Typical Input IP3
18
65
60
55
50
Current (mA)
45
40
-40 -15 10 35 60 85
TEMPERATURE (°C)
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
16
14
(dBm)
3
IP
12
10
800 900 1000
25°C
-45°C
FREQUENCY (MHz)
85°C
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High Dynamic Range LNA, 800 - 1000 MHz
Typical Performance Curves at VDD = 5 Volts (Cont’d)
AM50-0011
V 2.00
Typical P
20
19
18
17
16
(dBm)
1dB
15
P
14
13
12
800 900 1000
1dB
25°C
85°C
FREQUENCY (MHz)
-40°C
SOT-261
D
e e
E
A3
PIN 1
HE
A1
SOT-26
Dim
Min. Nom. Max.
A
A 0.90 1.10 1.30
A1 0 0.05 0.10
A3 0.62 0.79 1.89
b 0.35 0.40 0.50
L
c 0.10 0.15 0.25
D 2.70 2.90 3.10
e 0.95
E 1.50 1.60 1.80
c
HE 2.6 2.80 3.00
L 0.20 - -
Measurement (mm)
b
1. See EIAJ ED-7500A, SC-74 for additional dimensional and
tolerance information.
Ordering Information
Part Number Package
AM50-0011TR 1000 Tape and Reel1
AM50-0011TR 3000 3000 Tape and Reel1
AM50-0011SMB Sample Test Board
1. If specific reel size is required, consult factory for part
number assignment.
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
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