ASL331
Wideband Linear Push-pull Amplifier MMIC
Frequency (MHz)
Noise Figure (dB)
Magnitude S21 (dB)
Magnitude S11 (dB)
Magnitude S22 (dB)
Output P1dB (dBm)
Output IP31) (dBm)
Output IP21),2) (dBm)
CSO (dBc)3)
50
1.4
20.2
-20
-20
26
500
1.6
19.7
-18
-15
26
860
1.9
19
APPLICATION CIRCUIT
-20
-18
26
CATV Push-Pull
1 : 1 transformer
50 ~ 1000 MHz
+5 V
41.5
70
41
41.5
56
62
64
CTB (dBc) 3)
60
.
Device Voltage (V)
Current (mA)
5
220
1) OIP3 and OIP2 are measured with two tones at an output power of +12 dBm/tone
separated by 6 MHz.
2) OIP2 is measured at F1+F2 Frequency.
3) Pout = 101 dBuV for 84 channels VHF signal.
Schematic
Board Layout (FR4, 40x40 mm2, 0.8T)
Vs=5 V
Note: MABA-007159 1:1 impedance transformers
are used.
C4=10 uF
L1=1 uH
(LQH31CN1R0M03)
C2=1 uF
R1=470 W
C3=1 uF
C1=1 uF
C5=1 uF
RF OUT
ASL331
1 : 1
transformer
1 : 1
transformer
C9=0.5 pF
RF IN
C6=1 uF
L2=1 uH
(LQH31CN1R0M03)
C7=1 uF
R2=470 W
C8=10 uF
Vs=5 V
S-parameters
25
0
-40oc
-5
20
15
10
5
25oc
85oc
-10
-15
-20
-25
-30
-40oc
25oc
85oc
0
0
100
200
300
400
500
600
700
800
900 1000
0
100
200
300
400
500
600
700
800
900 1000
Frequency (MHz)
Frequency (MHz)
0
-5
-40oc
25oc
85oc
-10
-15
-20
-25
-30
0
100
200
300
400
500
600
700
800
900 1000
Frequency (MHz)
3/6
ASB Inc. · sales@asb.co.kr
·
Tel: +82-42-528-7223
March 2012