ASX621_17 Datasheet, PDF (5/12 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3000 MHz MMIC Amplifier

ASX621
250 ~ 3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
WCDMA Rx
1920 ~ 1980 MHz
+5 V
Frequency (MHz)
1920 ~ 1980
Magnitude S21 (dB)
18.0
Magnitude S11 (dB)
-14
Magnitude S22 (dB)
-14
Output P1dB (dBm)
32.5
Output IP3¹⁾ (dBm)
50
Noise Figure (dB)
5.6
Device Voltage (V)
+5
Current (mA)
1150
1) OIP3 is measured with two tones at an output power of +14
dBm/tone separated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
C7=1 F
*C3 shall be placed as close as
possible to the pin.
C5=1 F
C4=100pF
C6=100pF
L1=27 nH C3=2.2 pF
(Coil Inductor)
RF IN
ASX621
L2=27 nH
(Coil Inductor)
C2=1.5 pF _{RF OUT}
3 mm
L3=1.8 nH
C1=2 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters
25
20
15
10
-40^oc
25^oc
5
85^oc
0
1700
0
1800
1900
2000
Frequency (MHz)
2100
2200
0
-5
-10
-15
-20
-25
-30
1700
5
-40^oc
25^oc
85^oc
1800
1900
2000
Frequency (MHz)
2100
2200
-5
4
-10
3
-15
-40^oc
2
25^oc
85^oc
-20
1
5/12
-25
1700
1800
1900
2000
Frequency (MHz)
2100
2200
0
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
ASB Inc.  [e-mail]  Tel: [phone]
February 2017