Alinco DR-61 OT/E, Service Manual

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3 ) L 7 8 L R 0 5 D ( X A 0 2 8 5 )
Voltage Regulator
Block Diagram
7 8 L R 0 5
Parameter Symbol Ratings Unit
Input voltage Vin 7.5-20 V
Output current lout 1-150 mA
Output voltage Vout 5.0
V
(0
Q .
(0
O
>>
3 03
C D
O
4) LA4445 (XA0116)
Audio Power Amplifiers
o
z
o o
CL
E
fp O
j
O
j
H- O I— T— i
2 o 5 J l l c o 2 o = > c o o
Q . Q ? z mO > O mc L
- ( n ) B S 1
9 ) V C C
Î 2 ) P o w e r A m p G N D
8 ) O U T 2
B S 2
Parameter Symbol Condition Ratings
Unit
!d!e current !cco 75 ma
Voltage gain VG 51.5 dB
Output power Po
THD=10% 5.5 W
Total harmonics distortion THD
"Ö
0
II
1 0.15 %
Input resistance Ri
30 kfl
Output noise voltage VNo
Rg=0 0.6
mV
Rg=10k£2
1
mV
Ripple rejection ratio Rr Rg=0, Vr=200mV, fR = 100Hz 46 dB
Channel separation ch sep Rg=10kiî, Vo=0dBm 55
dB
20