ASX501_17 Datasheet, PDF (14/15 Pages) Advanced Semiconductor Business Inc. – 250 ~ 2500 MHz MMIC Amplifier

ASX501
250 ~ 2500 MHz MMIC Amplifier
APPLICATION CIRCUIT
P1dB of about 36 dBm solution
RFID (908 ~ 923 MHz)
+5 V
Schematic
Vcc=5 V
RF IN
*Coupler
C1=100 pF
C3=10 pF
L2=2.7 nH
ASX501
D1=5.6V
Zener Diode
C6=1 F
C5=100pF
L1=100 nH
(Coil Inductor)
C2=100 pF
7 mm
C4=7.5 pF
R1=51 
C7=100 pF
C9=10 pF
L4=2.7 nH
ASX501
7 mm
C8=100 pF
L3=100 nH C10=7.5 pF
(Coil Inductor)
R2=51 
*Coupler
RF OUT
Frequency (MHz)
908
915
923
Magnitude S21 (dB)
17.1
17.0
16.9
Magnitude S11 (dB)
-30
-30
-30
Magnitude S22 (dB)
-25
-25
-25
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
35.5
35.5
35.5
48.0
48.5
49.0
Noise Figure (dB)
5.0
4.9
4.9
Device Voltage (V)
+5
+5
+5
Current (mA)
1120
1120
1120
1) OIP3 is measured with two tones at an output power of +14 dBm/tone sepa-
rated by 1 MHz.
Board Layout (FR4, 59.5x39.5 mm², 0.8T)
*Coupler: Anaren, XC0900A-03S
Vcc=5 V
C11=100pF
C12=1 F
D2=5.6V
Zener Diode
S-parameters & K-factor
25
0
20
-10
15
-20
10
-30
5
-40
0
700 750 800 850 900 950 1000 1050 1100
Frequency (MHz)
0
-50
700 750 800 850 900 950 1000 1050 1100
Frequency (MHz)
5
-10
4
-20
3
-30
2
-40
1
14/15
-50
700 750 800 850 900 950 1000 1050 1100
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017