M68729 (Xa0591) - Alinco DR-235 Service Manual

10) M68729 (XA0591)

220 ~ 246MHz 30W
RF Power Module
M68729
Block Diagram
2
1
PIN :
Pin : RF INPUT
1
2 V : 1st. DC SUPPLY
CC1
3 V : 2nd. DC SUPPLY
CC2
4
PO : RF OUTPUT
5 GND : FIN
22
5
3
4
5
ABSOLUTE MAXIMUM RATING(TC = 25˚C)
Rating
Supply voltage
Total current
Input power
Output Power
Operation case temperature
Strage temperature
Zg=Zl=50
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
f Frequency range
Po
Output power
Total efficiency
T
2nd. harmonic
2fo
3fo 3rd. harmonic
Input VSWR
in
-
Load VSWR tolerance
Symbol Ratings
Vcc 17
Icc 10
Pin(max) 600
Po(max) 40
Tc(op) -30 to + 110
Tstg -40 to + 110
Limits
Test conditions
Min
220
30
V = 12.5V
CC1,2
40
Pin = 300mV
Z = Z = 50
G L
V = 15.2V
CC1,2
Po = 30W(Pin = Controlled) No degradation
Load VSWR = 20:1 (All phase), or destroy
Z = 50
G
Unit
V
A
mW
W
Unit
Max
246 MHz
W
%
-30 dBc
-30 dBc
-
3
-