Alinco DJ-438, Руководство по обслуживанию

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SEMICONDUCTOR DATA
1) NMJ2070MT1 (XA0210)
Low Voltage Power Amplifier
Equivalent Circuit
Param eter
Condition Sym bol
Mln. Typ. Max. Unit
S upply voltage V + 1.8
-
15 V
Idle current RL= lo
-
4 7
mA
O utput voltage Vo
-
2 .7 - V
Input bias current I
b
-
2 0 0
-
nA
O utput power
T H D = 1 0 % , f=1kH z
V + = 6 V , R L=4
Po
0.5
0.6
-
W
V + = 4 .5 V , R U 4
-
0 .3 2
-
W
V + = 3 V , R L - 4
-
120
-
m W
V + - 2 V , R U 4
-
30
-
mW
T H D = iO % , f= i kHz v + = 6 v , R L - 4
-
5 0 0
-
mW
V + - 4 .5 V , R L= 4
-
2 5 0
-
mW
Distortion Po-=0.4»V, R L=4 , T H D
-
0 .2 5 -
%
V oltage gain f= 1 kH z
Av 41 44 47 dB
Input im pedance f= 1 kH z
Z l N
100 - -
k
E quivalent input noise
voltage
R s= 10 k A curve Vn1
-
2 .5
- MV
B = 2 2 H z to 2 2 k H z V n2
-
3
- MV
P ow er supply voltage
rejection ratio
f= 1 0 0 H z , C x = 1 0 0 p F
S V R 24
30
-
dB
P ow er gain band width
( - 3dB )
R L = 8 , P o= 250m W P.B
2 0 0
-
kHz
2) AT24C16N-10SI-2.7TER (XA0368)
16K bits CMOS Serial EEPROM
AO
Ai
A2
GND
Pin N a m e Function
A 0 to A 2 A d d re ss inputs
S D A S e ria l Data
S C L S e ria l Clock
T e st T e s t Input {G N D or Vcc)
NIC
N o co nn ectio n
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