B1.6
T855 General Information
M850-00
31/09/98 Copyright TEL
1.2 Specifications
1.2.1 Introduction
The performance figures given are minimum figures, unless otherwise indicated, for
equipment tuned with the maximum switching range and operating at standard room
temperature (+22°C to +28°C) and standard test voltage (13.8V DC).
Where applicable, the test methods used to obtain the following performance figures are
those described in the EIA and ETS specifications. However, there are several parame-
ters for which performance according to the CEPT specification is given. Refer to Sec-
tion 1.2.6 for details of test standards.
Details of test methods and the conditions which apply for Type Approval testing in all
countries can be obtained from Tait Electronics Ltd.
The terms "wide bandwidth", "mid bandwidth" and "narrow bandwidth" used in this
and following sections are defined in the following table.
Sensitivity and distortion figures are stated for standard operating conditions which
includes audio de-emphasis. Note that the sensitivity and distortion figures will be
degraded when flat audio is selected.
Channel Spacing
Modulation
100% Deviation
Receiver
IF Bandwidth
Wide Bandwidth 25kHz ±5.0kHz 15.0kHz
Mid Bandwidth 20kHz ±4.0kHz 12.0kHz
Narrow Bandwidth 12.5kHz ±2.5kHz 7.5kHz
Link PL210
a
a. The letters in this column refer to the identification letters screen printed onto the PCB be-
side each set of links.
Link PL220
a
De-emphasised Audio 1-2 (A-B) 2-3 (E-F)
Flat Audio 2-3 (B-C) 1-2 (D-E)
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