Alinco DR-235, Service Manual

Page: 15 / 40

222 ~ 225MHz 30W RF Power Module
15) S-AV40 (XA1230)
BLOCK DIAGRAM
G H b
® RF Input (Pin)
(D Gate Voltage (VGG), Power Control
® Drain Voltage (VDD), Battery
(D RF Output (Pout)
© RF Ground (Frange)
ABSOLUTE MAXIMUM RATING ( Tc = 25 °C, unless otherwise noted )
Symbol Parameter Conditions Ratings Unit
VDD Drain Voltage VGG < 5V, Pi = 50mW, Po < 30W 17 V
VGG Gate Voltage
VDD < 12.5V, Pin=50mW
6 V
IDD Drain Current 8 A
Pin
Input Power 12.5V < VDD < 16.5V, VGG = 5V,
Pi = 50 mW
100
mW
Pout
Output Power 30
W
Tease (OP)
Operation Case Temperature -30 to +100
°C
Tstg Storage Temprature -40 to +110 °C
ELECTRICAL CHARACTERISTICS ( Tc = 25°C, unless otherwise noted )
Symbol Parameter Conditions
Ratings
Unit
Min Typ Max
f Frequency Range
220
246 MHz
Pout Output Power
VDD = 12.5V
VGG = 5V
Pin = 50mW
30 W
V
T
Total Efficiency
40 %
2fo 2na Harmonic -25 dBc
Pin
Input VSWR
3.0
-
IGG
Gate Current
1 mA
-
Stability VDD=10.5-16,5V, VGG=0-5V, Pin=50mW,
Pout<30W (VGG control),
Load VSWR=3:1 ALL PHASE
All sprious output
than 60dB bellow
desired signal
-
-
Load VSWR
Tolerance
VDD=15.0V, Pin=50mW,
Pout=30W (VGG control),
Load VSWR=10:1 ALL PHASE
No degradation
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