ASL563
High Gain, Low Noise Amplifier
Parameter
Power Gain
Noise Figure
Input Return Loss
Symbol
G
p
NF
RL
in
RL
out
P
o(1dB)
OIP3
I
cc
Test Conditions
F = 1.575 GHz
F = 1.575 GHz
F = 1.575 GHz
F = 1.575 GHz
F = 1.575 GHz
F = 1.575 GHz
F = 1.575 GHz,
Non-RF
8
14
MIN.
24
TYP.
25
1.1
-14
-12
10
16
7.7
1.3
MAX.
Unit
dB
dB
dB
dB
dBm
dBm
mA
APPLICATION CIRCUIT
(TYPE 1)
GPS
1575 MHz
+3 V
Output Return Loss
1 dB Gain Compression
Output Power
rd
3 Intercept Point
1)
Output Power
Circuit Current
1) OIP3 is measured with two tones at an output power of -5 dBm/tone separated by 1MHz.
Schematic
C6=10 nF
R4=1.1 kW
C7=1
mF
VDD
L3=7.5 nH
C1=1.8 pF
R3=33W
ASL563
Board Layout (FR4, 16x12 mm
2
, 0.8T)
Top
R5=8.2 kW
R6=33
W
L4=6.2 nH
C5=1.5 pF
RF OUT
7 m m
*P2
L1=6.8 nH
VDD
C2=1
mF
R1=9.1kW
R2=1.2
kW
L2=6.2 nH
*P1
C4=68 pF
7mm
C3=10 nF
Bottom
RF IN
Note: 1) the length of the strip line P1 and P2 are given as below at
the PCB with Er = 4.5 and T = 0.8 mm.
*P1 Length: 2.8 mm, Width: 0.3 mm
*P2 Length: 1.0 mm, Width: 0.3 mm
2) Gain and S11 are in trade-off and varied with the length of P1 and P2
S-parameters & Noise Figure
35
30
-5
25
-10
20
0
Gain (dB)
S11 (dB)
15
10
5
0
1400
-15
-40 c
o
25 c
o
85 c
o
-20
-25
-40 c
o
25 c
o
85 c
1450
1500
1550
1600
1650
1700
1750
1800
o
1450
1500
1550
1600
1650
1700
1750
1800
Frequency (MHz)
0
-30
1400
Frequency (MHz)
5
-5
4
Stability Factor
1800
-10
S22 (dB)
3
-15
-20
-40 c
o
25 c
o
85 c
o
2
1
-25
1400
1450
1500
1550
1600
1650
1700
1750
0
Frequency (MHz)
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
7/22
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
August 2011
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
