ASX520_17 Datasheet, PDF (6/11 Pages) Advanced Semiconductor Business Inc. – Gain Block Amplifier MMIC over DC ~1000MHz

ASX520
250 ~ 3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
CDMA Tx, GSM
869 ~ 960 MHz
+5 V
Frequency (MHz)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP3¹⁾ (dBm)
Noise Figure (dB)
Device Voltage (V)
Current (mA)
869 ~ 894
31.5
-15.0
-10.0
32.5
47
7.5
+5
650
890 ~ 915
31.0
-15.0
-9.0
33.0
48
7.0
+5
650
935 ~ 960
29.0
-14.0
-7.5
33.0
48
7.0
+5
650
1) OIP3 is measured with two tones at an output power of +15 dBm/tone separat-
ed by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 
C8=1 F
C10=1 F
RF IN
C6=5.6 pF
C9=100pF _{C5=100 pF}
L2=100 nH
L3=2.7 nH
3 mm
ASX520
C1=68 pF
C2=1.5 pF
C7=100pF
L1=82 nH
(Coil Inductor)
C3=68 pF _{RF OUT}
5 mm
C4=7.5 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
50
40
30
20
-40^oc
25^oc
10
85^oc
0
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
0
-5
-10
-15
-20
-40^oc
25^oc
-25
85^oc
-30
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
0
4
-5
3
6/11
-10
2
-40^oc
25^oc
-15
85^oc
1
-20
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017