ASX621_17 Datasheet, PDF (3/12 Pages) Advanced Semiconductor Business Inc. – 250 ~ 3000 MHz MMIC Amplifier

ASX621
250 ~ 3000 MHz MMIC Amplifier
APPLICATION CIRCUIT
CDMA Rx
824 ~ 849 MHz
+5 V
Frequency (MHz)
824 ~ 849
Magnitude S21 (dB)
28.0
Magnitude S11 (dB)
-14
Magnitude S22 (dB)
-8
Output P1dB (dBm)
32.5
Output IP3¹⁾ (dBm)
47
Noise Figure (dB)
11.0
Device Voltage (V)
+5
Current (mA)
1150
1) OIP3 is measured with two tones at an output power of +15 dBm/tone
separated by 1 MHz.
Schematic
Vcc=5 V
D1=5.6V
Zener Diode
C9=1 F
*C4 shall be placed as close as
possible to the pin.
C8=100pF
C5=15 pF
C4=27 pF
RF IN
L2=56 nH
(Coil Inductor)
R1=15 
C1=2.2 pF
ASX621
C7=1 F
C6=100pF
L1=56 nH
(Coil Inductor)
C2=100 pF _{RF OUT}
7 mm
C3=7.5 pF
Board Layout (FR4, 40x40 mm², 0.8T)
S-parameters
35
0
30
-5
25
-10
20
-15
15
-20
10
600
700
800
900
1000
1100
1200
Frequency (MHz)
0
-25
600
700
800
900
1000
1100
1200
Frequency (MHz)
5
-5
4
-10
3
-15
2
-20
1
3/12
-25
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