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Radiometrix Ltd
SMX1 Data Sheet
page 4
5. RS232 input pins (6a and 7a) tolerate true +/- levels. No buffering is required.
6. If analogue transmit modulation is needed, then connect a series 1
µF cap + 500kΩ trimmer in the
‘baseband in’ circuit. Adjust trimmer for 90% of peak deviation (+/- 2.7KHz) at mean input level.
7.
If parallel channel select is not wanted, the 4 pin connector 'b' can be removed
8.
For UK version the following channel assignment is supplied:
9.
For Australian version the following channel assignment is supplied:
Channel
Frequency (MHz)
0
173.250
1
173.275
2
173.300
3
173.325
4 -7
173.225 (only used for alarm applications)
8 - 127
173.325
Channel
Frequency (MHz)
N vlaue
0
150.825
/LOAD 00 6033
1
150.850
/LOAD 01 6034
2
150.875
/LOAD 02 6035
3
150.900
/LOAD 036036
4
150.925
/LOAD 04 6037
5
150.950
/LOAD 05 6038
6
150.975
/LOAD 06 6039
7
151.000
/LOAD 07 6040
8
151.025
/LOAD 08 6041
9
151.050
/LOAD 09 6042
10
151.075
/LOAD 10 6043
11
151.100
/LOAD 11 6044
12
151.125
/LOAD 12 6045
13
151.150
/LOAD 13 6046
14
151.175
/LOAD 14 6047
15
151.200
/LOAD 15 6048
16
151.225
/LOADTB 6049
17 - 65
in sequence starting at CH 17 (151.250)
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