
SDH/SONET Analyzers
SJ300E
Characteristics
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
Generator -
Jitter frequency: 1 Hz to 1/125 of baud rate.
Frequency accuracy: ±20 ppm.
p-p
Jitter amplitude: Up to 22 UI
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 Ohm to -2 V terminated.
Connector: BNC (internal) with external CLOCK OUT. Same
frequency as external clock.
depending on jitter frequency.
Data Out -
Baud rate: Equals frequency of CLOCK OUT, NRZ.

Impedance: 50 Ohm 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 V
p-p
into 50 Ohm.
Impedance: 50 Ohm 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 Ohm or AC-coupled.
Connector: BNC.
Thru Data In -
Level: ECL nominal levels.
Impedance: 50 Ohm to -2 V terminated, NRZ.
Connector: BNC.
External Modulation In -
Impedance: 50 Ohm 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 UI
p-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 UI
p-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 UI
rms
.
155 MHz: ±3%, ±0.01 UI
rms
.
622 MHz: ±3%, ±0.02 UI
rms
.
Fine Mode -
Jitter range: Measures RMS value of jitter that meets the

peak-to-peak requirements.
Resolution: 0.001 UI
rms
.
Amplitude accuracy:
52 MHz: ±3%, ±0.001 UI
rms
.
155 MHz: ±3%, ±0.002 UI
rms
.
622 MHz: ±5%, ±0.003 UI
rms
.
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 UI
p-p
.
Resolution: 0.001 UI
p-p
.
Receiver Inputs
Clock In -
Rate: 51.84, 155.52 or 622.08 Mb/s ±20 ppm.
Level: ECL nominal levels.
Impedance: 50 Ohm 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 Ohm 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 Ohm balanced), BNC (75 Ohm
unbalanced).

Receiver Outputs
Ref Clock Out -
Level: 0.4 to 1.2 V
p-p,
AC-coupled.
Impedance: 50 Ohm to ground.
Connector: BNC.
Bits Wander (Opt. 06)
Frequency Range - 0 to 10 Hz.
Amplitude Range -
MTIE: 99,999 ns.
TDEV: 99,999 ns.
Amplitude Resolution - 1 ns.
Amplitude Accuracy - +5%, +2 ns.
Slew Rate - +80,000 ns/s maximum.
MTIE Observation Time Range -
Internal: 0.1 to 99.9 seconds.
External: 0.02 to 105 seconds.
TDEV Integration Time Range -
Internal: 0.1 to 99 seconds.
External: 0.02 to 1000 seconds.
BITS IN Input -
WECO 310 (100 Ohm balanced), BNC (75 Ohm unbalanced).
DS1: 1.544 Mb/s AMI, framed all 1s.
E1: 2.048 Mb/s HDB3, framed all 1s.
2 MHz: 2.048 MHz square wave.
BITS OUT Output -
WECO 310 (100 Ohm balanced), BNC (75 Ohm unbalanced).
DS1: 1.544 Mb/s AMI, framed all 1s.
E1: 2.048 Mb/s HDB3, framed all 1s.
2 MHz: 2.048 MHz square wave.
Power
AC Line - 115 V/230 V AC ±10%.
Safety - UL1244, CSA231, EN61010-1.
Power Consumption - 100 W maximum.
Physical Characteristics

Dimensions mm in.
Height 152 6
Width 366 14.4
Depth 419 16.5
Weight kg lb.
Net 10 22
Product(s) complies with IEEE Standard
488.2-1987.
Tektronix Measurement products are
manufactured in ISO registered facilities.
49A-10733-3p346, 06/1997, 09/01/1999