Instruction Manual

This applies to all bit rates included in the mainframe configuration at
the appropriate electrical and optical interfaces.
Built-in modulation generator (sinewave) ......... 0.1Hzto5MHz
External modulation . . .......................... 0Hzto5MHz
Jitter amplitude .................... asforjitter generator in UIpp
Jitter Analyzer
Measurement range
Peak-peak
Range I/Resolution . ................... 0to6.4UIpp/1 mUIpp
Range II/Resolution . .................. 0to80UIpp/10 mUIpp
Range III/Resolution .................0to800UIpp/100 mUIpp
RMS
Range I/Resolution . ................... 0to3.2UIpp/1 mUIpp
Range II/Resolution . .................. 0to40UIpp/10 mUIpp
Range III/Resolution .................0to400UIpp/100 mUIpp
Measurement accuracy ............................ asperO.172
Demodulator output
75 O, BNC socket
Range I (0 to 6.4 UIpp) ............................ 0.25 V/UIpp
Range II (0 to 80 UIpp) ........................... 0.025 V/UIpp
Range III (0 to 800 UIpp) ........................ 0.0025 V/UIpp
Wander Generator
Fully complies with or exceeds the requirements of ITU-T O.172
Bit rates
Wander generation at all implemented bit rates up to 622 Mbit/s
according to the equipment level of the instrument.
Amplitude range ............................. upto200000UI
Frequency range ..............................10mHz to 10 Hz
Accuracy ........................................ asperO.172
Resolution ........................................... 1mHz
Wander Analyzer
Fully complies with or exceeds the requirements of ITU-T O.172
Other sampling rates in addition to the 30/s rate are available for
detailed analysis versus time:
Sampling rate ± Low-pass filter ±
Test duration ............................. 1/s-0.1Hz-99days
30/s - 10 Hz - 99 h
60/s - 20 Hz - 99 h
300/s - 100 Hz - 5000 s
Amplitude range .............................
+
1nsto
+
10
6
s
Measurement accuracy ............................ asperO.172
Reference signal input
Frequencies ............................1.544, 2.048, 5, 10 MHz
Bit rates .................................. 1.544, 2.048 Mbit/s
Balanced 110 O connector .............................Bantam
Clock input voltage
(sine or square wave) . . ...........................1.0to6.5Vpp
HDB3/B8ZS input voltage .........................
+
3V
+
10%
Coaxial 75 O connector ...................................BNC
Clock input voltage
(sine or square wave) . . ............................ 1.0to5Vpp
HDB3/B8ZS input voltage ......................
+
2.37 V
+
10%
Accessory: ªStandard Frequency Sourceº for wander applications, see
end of chapter
O.172 Jitter/Wander
up to 2488 Mbit/s BN 3060/91.32
Jitter Generator
Fully complies with or exceeds the requirements of ITU-T O.172
Bit rate ...................................... 2488320kbit/s
Generator signal ...................test patterns, frame structures
depend on instrument configuration
Built-in modulation generator (sinewave)
or external ................................. 0.1Hzto20MHz
Jitter amplitude ..................................upto800UI
Bit rate/
kHz
A1/
UIpp
A2/
UIpp
A3/
UIpp
A4/
UIpp
f0/
Hz
f1/
Hz
f2/
Hz
f3/
Hz
f4/
Hz
2 488 320
ANT-20SE
0.008 0.75 20 800 0.1 12.1 500 750 k 20 M
Modulator input
75 O, BNC socket
Modulation frequency . ....................... 0.1Hzto20MHz
Required sinusoidal voltage ......................... 0to2Vpp
Error limits ..................................... asperO.172
Jitter modulation of external signals in Through mode
In Through mode, jitter can be superimposed on an external 2488
Mbit/s signal in conjunction with the D&I option.
Internal and external modulation,
jitter amplitude ............................. seejitter generator
Jitter Analyzer
Fully complies with or exceeds the requirements of ITU-T O.172
Bit rate ...................................... 2488320kbit/s
Measuring ranges
Range I/Resolution ........................ 0to2UIpp/1 mUIpp
Range II/Resolution . . . .................. 0to32UIpp/10 mUIpp
RMS Range I/Resolution .................. 0to1.0UIpp/1 mUIpp
RMS Range II/Resolution .................0to16UIpp/10 mUIpp
Built-in filters
as per Telcordia GR-253, ANSI T1.105.03, ITU-T O.172, G.825, G.813
High-pass filters ..........................5kHz,12kHz,1MHz
Low-pass filter ...................................... 20MHz
The high-pass filters can be switched off.
Frequency range without high-pass filter
Meas. range I ....................................... 80Hz
Meas. range II ...................................... 10Hz
14
A4
A3
A2
A1
UIpp
f0 f1 f2 f3 f4
Jitter frequency (log)