BRUEL & KJAER 2230 - OPERATION; Operation Introduction; Battery Installation and Management

ZC 0020 Preamplifier
Y M 2L.20
DB 22 57
Microphone
(not included in ZC 0020 l
~~~~=4+---~ DB2258
YJ 0046
DP 0381
c
1,2
Glass
5%
300 pF/300 V
c
3
Tantalum
6,8
p.F/6 V
c
4
6,8
p.F/35 V
a
Current reg. 1N5283
0,22
rnA
a
2
1N5295
0,82 rnA
a
3
Si.
BAV20
150 V/200 rnA
a
4
Ze.
BZX79C56
53-60 v /0,25 w
2
CG 0002
R
CF 0006
R
CF 0002
R
R
av 6001
R
av 6002
R
av 0249
av 1327
v
v
v
2
• • •
. _..----,.. .
• • •
. . .
YK1104
YO 0258
Carbon
3,4
Metal
5
6
7
1,2
Silicon
3
FET
4
Silicon
DL3251
1/4 w
20%
1%
Printed Circuit Board
DB0977
J y 0003
3,3GQ
RH 0021
1,0 GQ RH 0906
10,0
MQ RH 7100
2,00
kQ
RF 3200
750
kQ RF 4750
27,4 kQ
RF 4274
BC177BP
VB 0148
U2002
VB 1037
BC177BP
VB 0148
XC 1857
10.82