Tektronix SJ300E SDH / SONET Jitter Analyzer

Tektronix SJ300E SDH / SONET Jitter Analyzer
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Applications:

  • Measure Jitter and Wander Generated and Tolerated by SDH/SONET Equipment and Clock-recovery ICs
  • Measure Jitter and Wander Transfer of SDH/SONET Equipment
  • Measure or Monitor Jitter and Wander at Line or Synchronization Interfaces
  • Generate and Analyze Line and Synchronization Phase Transients

 

Features:

  • Generates and Measures Jitter on SDH/SONET Optical Inputs, up to 622 Mb/s
  • Measures Jitter Generation, Transfer and Tolerance
  • Stores and Executes Test Sequences for Jitter Tolerance and Transfer Testing
  • Detects and Records Jitter Hits
  • Generates and Measures Wander on 1.544 Mb/s and 2.048 MHz Synchronization Signals
  • Generates and Measures Jitter Up to 622 Mb/s
  • Wander Option (Opt. 06) Includes PC Software for Uploading, Calculating and Analyzing Wander Data
  • Data Correlation Method Used to Measure Jitter Transfer Provides Superior Accuracy
  • Measures and Generates Wander on SDH/SONET Lines
  • Tests Conformance to all ANSI, Bellcore and ITU-T Timing Standards CCITT G.958, CCITT G.703, ITU-T G.813 July 95, Bellcore GR-253-CORE (TR-NWT-000253), ANSI T1.101 and ANSI T1.120
  • RS-232 and GPIB Interfaces for Remote Operation
  • Real Time Wander Analysis and Display
  • Adapter Available for STSX-1 and STSX-3 (STM-1e) Analysis

 

Specifications:

Transmit and Receive Line Rates:
 
  • STS-1 - 51.84 Mb/s.
  • STS-3/STM-1e - 155.52 Mb/s.
  • OC-1 - 51.84 Mb/s.
  • OC-3/STM-1 - 155.52 Mb/s.
  • OC-12/STM-12 - 622.08 Mb/s.

 

Pattern Generation/Measurement:
  • Generator - Internal 27 PRBS or external "through data."
  • Receiver - A PRBS signal of pattern length 27 or a SDH/SONET formatted signal with the payload portion consisting of all zeros or all ones.

 

Jitter Generation:
  • Jitter frequency: 1 Hz to 1/125 of baud rate
  • Frequency accuracy: ±20 ppm
  • Jitter amplitude: Up to 22 UIp-p depending on jitter frequency
  • Resolution: 0.01 UI
  • Resolution accuracy: ±1%, ±0.01 UI

 

Transmitter Outputs:
  • Clock Out:
    • Frequency: 51.84, 155.52 or 622.08 MHz ±20 ppm
    • Level: ECL nominal levels
    • Impedance: 50  ohms to -2 V terminated
    • Connector: BNC (internal) with external CLOCK OUT.
  • Data Out
    • Baud rate: Equals frequency of CLOCK OUT, NRZ
    • Impedance: 50  ohms to 2 V terminated
    • Connector: BNC
  • Optical Out
    • Baud rate: Equals frequency of CLOCK OUT
    • Connector: FC/PC
    • Mean output power (EOL): -9 dBm ±3 dBm
    • Center wavelength: 1305 nm ±35 nm
    • Spectral width (at -3 dB): 5 nm maximum
  • Ref Clock Out
    • Output: Same as CLOCK out without added jitter
    • Amplitude: 0.4 to 1.2 Vp-p into 50  ohms
    • Impedance: 50  ohms AC-coupled, to ground
    • Connector: BNC

 

Transmitter Inputs
  • Clock In
    • Frequency: 51.84, 155.52 or 622.08 MHz ±100 ppm
    • Level: ECL nominal levels
    • Impedance: 50  ohms or AC-coupled
    • Connector: BNC
  • Thru Data In
    • Level: ECL nominal levels
    • Impedance: 50  ohms to -2 V terminated, NRZ
    • Connector: BNC.
  • External Modulation In
    • Impedance: 50  ohms terminated to ground
    • Connector: BNC connector
    • Sensitivity: 0.1 V/UI
    • Accuracy: ±5%
    • Amplitude limits: ±0.8 V maximum
    • Rate-of-change limits:
      • 52 MHz: ±0.135 V/µs.
      • 155 MHz: ±0.405 V/µs.
      • 622 MHz: ± 1.62 V/µs.

 

Receiver Peak-to-Peak Jitter
  • Wide Mode
    • Jitter amplitude: Up to 16 UIp-p depending on the jitter frequency and receiver baud rate
    • Resolution: 0.01 UI
    • Amplitude accuracy:
      • 52 MHz: ±1%, ±0.01 UI
      • 155 MHz: ±1%, ±0.02 UI
      • 622 MHz: ±1%, ±0.03 UI
  • Fine Mode
    • Frequency response: First-order high-pass filter with cutoff frequencies that depend on receiver baud rate as follows:
      • 52 Mb/s: 14 Hz + 3 Hz.
      • 155 Mb/s: 30 Hz + 10 Hz.
      • 622 Mb/s: 120 Hz + 35 Hz.
    • Jitter amplitude: Up to 0.6 UIp-p depending on the jitter frequency and receiver baud rate.
    • Resolution: 0.001 UI.
    • Amplitude Accuracy:
      • 52 MHz: ±3%, ±0.002 UI
      • 155 MHz: ±3%, ±0.003 UI
      • 622 MHz: ±5%, ±0.009 UI

 

Transfer Functions
  • Range - +3 to -50 dB
  • Resolution - 0.01 dB
  • Note: The maximum jitter amplitude received cannot exceed the maximum receiver input range.

 

Receiver RMS Jitter
  • Wide Mode
    • Frequency response: First-order high-pass filter at the greater of 12 kHz and the selected high-pass filter. Third-order, maximally flat, low-pass filter at 1/125 of the receiver baud rate.
    • Jitter range: Measures RMS value of jitter that meets the wide mode peak-to-peak jitter tolerance.
    • Resolution: 0.01 UI
    • Amplitude accuracy:
      • 52 MHz: ±3%, ±0.01 UIrms
      • 155 MHz: ±3%, ±0.01 UIrms
      • 622 MHz: ±3%, ±0.02 UIrms
  • Fine Mode
    • Jitter range: Measures RMS value of jitter that meets the peak-to-peak requirements
    • Resolution: 0.001 UIrms
    • Amplitude accuracy:
      • 52 MHz: ±3%, ±0.001 UIrms
      • 155 MHz: ±3%, ±0.002 UIrms
      • 622 MHz: ±5%, ±0.003 UIrms
    • Window range: 1 to 99 seconds or infinity
    • Resolution: 1 second
    • Selectable high-pass filters:
      • 52 Mb/s: 10 Hz, 100 Hz or 20 kHz
      • 155 Mb/s: 10 Hz, 500 Hz or 65 kHz
      • 622 Mb/s: 10 Hz, 1000 Hz or 250 kHz
    • Threshold range: 0.000 to 16 UIp-p
    • Resolution: 0.001 UIp-p

 

Receiver Inputs
  • Clock In
    • Rate: 51.84, 155.52 or 622.08 Mb/s ±20 ppm
    • Level: ECL nominal levels
    • Impedance: 50  ohms terminated to -2 V or AC-coupled
    • Connector: BNC
  • Data In
    • Rate: 51.84, 155.52 or 622.08 Mb/s ±20 ppm
    • Level: ECL nominal levels
    • Impedance: 50  ohms terminated to -2 V, NRZ
    • Connector: BNC
  • Optical In
    • Rate: 51.84, 155.52 or 622.08 Mb/s ±20 ppm
    • Connector: FC/PC
    • Power: -22 to -5 dBm
    • Wavelength: 1200 to 1600 nm
  • Laser Safety - Class 1 laser product.
  • Ref Clock In
    • DS1: 1.544 Mb/s AMI, framed all 1s
    • Framing: ESF/SF
    • E1: 2.048 Mb/s HDB3, framed all 1s
    • 2 MHz: 2.048 MHz square wave
    • Connector: WECO 310 (100  ohms balanced), BNC (75  ohms unbalanced).

 

Receiver Outputs
  • Ref Clock Out
    • Level: 0.4 to 1.2 Vp-p, AC-coupled
    • Impedance: 50  ohms to ground
    • Connector: BNC