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3. Sequence Testing
Seg Measurement Default Level Time Values
A Crosstalk 40, 100, 315, 1k, 6.3k, 10kHz 0dB/50µs 6s 6
B Crosstalk 100, 1k, 6.3k, 10kHz 0dB 2s 4
C Crosstalk 40, 100, 315, 1k, 6.3k, 10kHz 0dB 6s 6
D Distortion 100, 1k, 6.3kHz +8dB 6s 3
E Distortion 100Hz +9dB, 1kHz -10dB, 1kHz +9dB -10/+9dB 6s 3
F Distortion 40, 100, 315, 1k, 6.3k, 10kHz +8dB 18s 6
G Distortion 40, 100, 315, 1k, 6.3k, 10kHz +8dB/50µs 18s 6
H 3% MOL at 1kHz 0 to 8dB 8.5s 1
I Distortion 100 +8dB, 1k +8dB, 100 -10dB 1k -10dB +8/-10 8s 4
J Crosstalk 40, 100, 315, 1k, 6.3k, 10kHz -10dB 6s 6
K User levels 1kHz (1, 2, 3, 4, 5, 6) 0 to -50dB 6s 6
L Noise RMS, A weighted and unweighted
noise segments 8s 2
M Noise CCIR468-3 peak wtd, peak unwtd and mean wtd 30s 3
N Noise CCIR468-3 peak wtd, peak unwtd and mean wtd 8s 3
O Sweep 20Hz-20kHz, British Telecom spec EPS84 frequencies: -10dB 5s 26
40, 50, 60, 100, 125, 200, 300, 500, 800, 1k, 2k, 3k, 4k, 5k,
6k, 7k, 8k, 8.5k, 9k, 10k, 11k, 12k, 13k, 14k, 15k, 20k
P Sweep 20Hz-20kHz -20dB 5s 20
Listed frequencies are: 30, 40, 50, 63, 100, 125, 250, 500,
1k, 2k, 4k, 6.3k, 8k, 10k, 12.5k, 14k, 15k, 16k, 18k, 20kHz
Q Sweep 20Hz-20kHz (list as for P) -12dB 5s 20
R Sweep 20Hz-20kHz (18dB headroom, list as for P) -10dB 5s 20
S Sweep 20Hz-20kHz (list as for P) -10dB 20s 20
T Test level, 1kHz 0dB 0dB 1s 1
U Sweep 20Hz-20kHz (max resolution, 8dB headroom, 0dB 5s 20
list as for segment P).
V Test level, 400Hz 0dB (for transmitters) 0dB 1s 1
W Wow & flutter, 3.125kHz wtd, unwtd, speed and phase 0dB 12s 4
X Fast sweep 20Hz-20kHz (list as for P) 0dB 1.5s 20
Y Phase 40, 100, 1k, 6.3k, 10k, 15kHz (Mean) 0dB/50µs 3s 6
Z Phase 40, 100, 1k, 6.3k, 10k, 15kHz (Mean) 0dB 3s 6
c Crosstalk 15kHz 0dB 3s 1
d Difference frequency distortion, 70Hz, 2nd order at 1kHz 0dB 2s 1
h 3% MOL at 315Hz (not available in V5.7T software) 0 to +8dB 8.5s 1
o Sweep 300Hz-18kHz 0dB 5s 19
Listed frequencies: 315, 400, 500, 630, 800, 1k, 1.25k,
1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 18kHz.
n CCITT O.41 Psophometric noise (see appendix I.5) 8s 2
r Sweep 30Hz-4kHz 0dB 5s 22
Listed frequencies: 30, 40, 50, 63, 80, 100, 125, 160, 200, 250,
315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4kHz.
u Sweep 10Hz-30kHz. Listed frequencies: 0dB 5s 24
10, 20, 30, 40, 50, 63, 100, 125, 250, 500, 1k, 2k, 4k, 6.3k, 8k,
10k, 12.5k, 14k, 15k, 16k, 18k, 20k, 25k, 30kHz.
x Sweep 300Hz-18kHz. Listed frequencies: 0dB 5s 15
315,400,500,630,800,1k,1.25k,1.6k,2k,2.5k,3.15k,4k,5k,6.3k,8kHz.
z Phase 40, 100, 315, 1k, 6.3k, 10k, 15kHz (Mean) 0dB 3.5s 7
Table 3.2 Test Segments available in LA100 V6.5 Software
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