dB PM 1000, User Manual

Page: 84 / 101

DB
ELETTRONICA TELECOMUNICAZIONI S.p.A.
PM 1000 – 1 kW FM Broadcasting Transmitter - U
SER
’
S
M
ANUAL
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Fig. 10.2 - EXTERNAL FREQUENCY CONTROL COMPONENT LAYOUT (DB 9308-020)
10.2 EXTERNAL FREQUENCY CONTROL PARTS LIST
ITEM QUANTITY REFERENCE PART
______________________________________________________
1 1 CN1 CONN 20
2 1 CN2 CONN 10
3 2 C2,C1 10p cer
4 3 C3,C4,C6 10u
5 3 C5,C7,C8 100n pol
6 21 D1 - D22 1N4148
7 1 D21 LED d3
8 9 JP1,JP2,JP3,JP4,JP5, jumper
JP6,JP7,JP8,JP9,JP10
9 4 R1,R2,R3,R4 47K
10 1 R5 1k
11 1 R6 2M2
12 2 R8,R7 10k
13 5 S1,S2,S3,S4,S5 CONTRAVES
14 1 U1 78L05
15 1 U2 MC68HC705C8P
16 1 X1 2-4 MHz