PCT1789W DATA SHEET
PRELIMINARY
PCT303DW APPLICATION CIRCUITS
!!
Typical Application Component Values
Table 1 PCT303DW Typical Application Component Values (CTR21 International Design)
Symbol
C1
North American Value
150pF, 2kV, X7R,±20%
1000pF, 2kV, X7R, ±20%
0.1µF, 16V, X7R, ±20%
0.47µF, 16V, X7R, ±20%
0.047µF, 16V, X7R, ±20%
2200pF, 250V, X7R, ±20%
15nF, 250V, X7R, ±20%
5600pF, 16V, X7R, ±20%
Not Installed
International Value
150pF, 3kV, X7R, ±20%
1000pF, 3kV, X7R, ±20%
Same as North American
0.1µF, 50V, X7R, ±20%
0.1µF, 16V, X7R, ±20%
680pF, 250V, X7R, ±20%
22nF, 250V, X7R, ±10%
Not Installed
C2,C4
C3,C10
C5
C6
C7,C8
C9
C11
C12
0.22µF, 16V, X7R, ±20%
0.1µF, 16V, X7R, ±20%
560nF,16V, X7R, ±20%
0.47µF, 250V, ±20%
3900pF,16V, X7R, ±20%
47pF, 250V, X7R, ±20%
Not Installed
C13,C16
C14
Not Installed
Not Installed
C15 a
C18,C19
C20
Not Installed
Not Installed
Not Installed
R1
51W, 1/2W ±5%
R2
15W, 1/4W ±5%
402 W, 1/10 W, ±1%
Same as North American
Not Installed
R3 b
R4
10W, 1/10W, ±5%
604W, 1/4W, ±1%
36kW, 1/10W ±5%
36kW, 1/10W ±5%
R5
Same as North American
121kW, 1/10W, ±5%
4.87kW, 1/4W, ±1%
30kW, 1/4W, ±5%
R6
R7,R8,R15,R16,R17,R19 Not Installed
R9,R10
R11
10kW, 1/4W ±5%
Not Installed
10kW, 1/10W, ±1%
R12
Not Installed
140W, 1/10W, ±1%
R13
Not Installed
442W, 1/10W, ±1%
R14 a
R18
Not Installed
18.7kW, 1/4W, ±1%
2.2kW, 1/10W, ±5%
Not Installed
0W
Z1
Zener Diode, 18V
Not Installed
Z2,Z3 a
Q1,Q3
Q2
Zener Diode, 3V
Motorola MMBTA42LT1
Motorola MMBTA92LT1
Not Installed
Same as North American
Same as North American
Q4
Motorola PZT2222AT1, 1/2W
Same as North American
Same as North American
Same as North American
D1–D4
FB1,FB2
RV1
1N4004
Ferrite Bead
Sidactor 275V, 100A
a. C14, R15, Z2, and Z3 required only for South Africa support.
b. R3 not required when charge pump is enabled.
PRELIMINARY
PC-TEL, Inc.
7
1789W0DOCDAT06A-0299
ETC [ ETC ]
