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6how to change the frequency of the filter card, 01 table of resistor values for the filter card – Cloud Electronics CX2300 User Manual

Page 10

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CX2300 I

NSTALLATION AND OPERATION MANUAL

9

6

How to change the frequency of the filter card.

The frequency of the filter cards supplied with the unit will probably have been specified
at the time of ordering. If the frequency requires to be changed, please refer to the table
of resistor values in section 6.01. The filter card has a total of 24 resistors fitted but for
some frequencies not all 24 are required to be fitted.

It is important to make a note of the frequency on the card for future reference.

6.01

Table of resistor values for the filter card

Low Pass

High Pass

Freq

R1 R3 R5
R20 22 24

R2 R4 R6
R19 21 23

R9 R16

R10 R15

R11 R18

R12 R17

R7 R14

R8 R13

40Hz

No Card

No Card

No Card

No Card

No Card

No Card

No Card

No Card

50Hz

1M6

2M4

1M2

-----

620k

1M5

8M2

-----

60Hz

910k

1M

1M2

1M2

220K

6M8

10M

70Hz

750k

560k

620k

1M1

220k

430k

5M1

5M6

80Hz

240k

-----

300k

-----

110k

-----

2M

-----

90Hz

330k

470k

240k

-----

130k

270k

1M6

-----

100Hz

160k

-----

200k

-----

110k

220k

2M4

3M

110Hz

220k

360k

330k

360k

120k

130k

2M2

2M4

120Hz

120k

-----

150k

-----

110k

110k

1M

-----

125Hz

180k

300k

270k

300k

91k

120k

1M8

2M

130Hz

150k

360k

240k

300k

82k

120k

1M6

2M

140Hz

240k

160k

120k

-----

62k

150k

1M6

1M6

150Hz

130k

270k

110k

-----

62k

110k

2M7

1M

160Hz

160k

160k

100k

-----

62k

91k

1M2

1M5

170Hz

110k

220k

160k

220k

62k

75k

620k

-----

175Hz

160k

130k

160k

200k

62k

68k

1M1

1M3

180Hz

68k

-----

150k

200k

51k

82k

1M1

1M2

190Hz

110k

150k

160k

160k

56k

62k

910k

1M3

200Hz

120k

120k

150k

150k

43k

75k

1M

1M

210Hz

56k

-----

110k

200k

39k

75k

470k

-----

220Hz

130k

91k

120k

150k

47k

51k

750k

1M1

225Hz

120k

91k

110k

160k

39k

62k

430k

-----

230Hz

51k

-----

110k

150k

30k

100k

680k

1M1

240Hz

91k

100k

120k

120k

22k

-----

620k

1M1

250Hz

91k

91k

110k

120k

33k

56k

620k

1M

260Hz

68k

120k

100k

120k

20k

-----

510k

1M3