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IEC 60835-2-4:1993+AMD1:1997 CSV
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Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 4: Transmitter/receiver including modulator/demodulator
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
19-02-1998
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Transmitter including modulator
3.1 General
3.2 Output frequency
3.3 R.F. output spectrum
3.4 R.F. output power
3.5 Phase/amplitude error
3.5.1 Method of measurement
3.5.2 Presentation of results
3.5.3 Details to be specified
4 Receiver including demodulator
4.1 General
4.2 Local oscillator frequency
4.3 R.F. leakage spectrum
4.4 A.G.C. characteristic
4.4.1 Definition and general considerations
4.4.2 Method of measurement
4.4.3 Presentation of results
4.4.4 Details to be specified
4.5 Selectivity
4.5.1 Definition and general considerations
4.5.2 Method of measurement
4.5.3 Presentation of results
4.5.4 Details to be specified
4.6 Noise figure
5 Transmit-receive selection
5.1 General considerations
5.2 Bit-error-rate (BER)
5.3 Selective fading signature
5.3.1 General considerations
5.3.2 Method of measurement
5.3.3 Presentation of results
5.3.4 Details to be specified
5.4 Timing jitter
5.5 Group-delay/frequency characteristic
Figure 1 - Examples of signal processors used in digital
transmitters and receivers
Figure 2 - Arrangement for measuring the selectivity of the
carrier part of a digital receiver
Figure 3 - Arrangement for measuring the transmission
performance of a digital transmit/receive section
under flat-fading conditions
Figure 4 - Example of a bit-error-ratio curve of a digital
transmit/receive section as a function of receiver
input level (simulated flat-fading)
Figure 5 - Functional arrangement of the two-way fading
simulator
Figure 6 - Wideband frequency characteristic of the two-ray
i.f. fading simulator
Figure 7 - Example of minimum/non-minimum phase signature
Figure 8 - Arrangements for measuring the group-delay/
frequency characteristic of a digital transmit/
receive section
Annex A (informative) Bibliography
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