ASX620 Datasheet, PDF (5/8 Pages) Advanced Semiconductor Business Inc. – 250-3000 MHz MMIC Amplifier

APPLICATION CIRCUIT
CDMA Tx, GSM Rx
869 ~ 915 MHz
+5 V
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
R1=3 W
C8=1 mF
C10=1 mF
C6=3.9 pF
C9=100pF _{C5=100 pF}
RF IN
L2=100 nH
L3=2.2 nH
3 mm
ASX620
C1=68 pF
C2=1.2 pF
C7=100pF
L1=82 nH
(Coil Inductor)
C3=68 pF _{RF OUT}
3.5 mm
C4=9 pF
ASX620
250-3000 MHz MMIC Amplifier
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
30
-15
-10
33
48
7.5
5
950
890~915
29.5
-15
-8
33
48
6.7
5
950
1) OIP3 is measured with two tones at an output power of +15
dBm/tone separated by 1 MHz.
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters & K-factor
40
35
-40^oc
30
25^oc
85^oc
25
20
15
10
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
0
-5
-40^oc
25^oc
-10
85^oc
-15
-20
-25
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
0
4
-5
3
-10
-40^oc
2
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)
5/8
ASB Inc. · [e-mail] · Tel: [phone]
September 2012