ASL226
700-6000MHz MMIC LNA
Parameter
Power Gain
Symbol
G
p
NF
RL
in
RL
out
ISO
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
F = 1.575 GHz,
Non-RF
MIN.
TYP.
23.5
1.1
-14
-16
-35
6
14
6.5
MAX.
Unit
dB
dB
dB
dB
dB
dBm
dBm
mA
APPLICATION CIRCUIT
GPS
1575 MHz
+1.8 V
Noise Figure
Input Return Loss
Output Return Loss
Reverse Isolation
1 dB Gain Compression
Output Power
rd
3 Intercept Point
1)
Output Power
Current
1) OIP3 is measured with two tones at an output power of -10 dBm/tone separated by 1MHz.
Schematic
Board Layout (FR4, 14x11.3 mm
2
, 0.8T)
Top
C3=1 pF
R1=180
W
RF OUT
RF IN
C1=100 pF L1=4.7 nH
ASL226
L2=6.8 nH
C2=1
mF
VDD
Bottom
* Note: C2 must be placed as close as possible to the device.
S-parameters
50
40
30
20
Gain & OIP3 & P1 & NF Vs. R1
R1
S21
Vd
(V)
1.8
1.8
1.8
1.8
Ic
(mA)
6.5
6
5.5
5
Gain
(dB)
24.2
23.9
23.6
23.5
OIP3
(dBm)
14.3
14
13.1
12.6
P1
(dBm)
6.4
7
7.2
7.3
NF
(dB)
1.03
1.05
1.07
1.09
(ohm)
180
S - parameter [dB]
10
0
-10
-20
-30
-40
-50
-60
1400
1450
1500
1550
1600
1650
1700
1750
1800
S22
S11
160
120
100
S12
Frequency [MHz]
3/21
ASB Inc.
·
sales@asb.co.kr
·
Tel: +82-42-528-7223
September 2012
ASB [ ADVANCED SEMICONDUCTOR BUSINESS INC. ]
