HP E1663A, Руководство пользователя, Страница: 34 / 39

4-5
Specifications
Electrical Specifications
Coded Electrical Receiver
Rx Clock and Data
Clock 155.52 MHz with 50%
±
10% duty cycle (typical)
Data Serial stream: 155.52 Mb/s
±
100 ppm
Format CMI
Input Signals STS-3 and STM-1
Equalization Automatic equalization
Monitor Mode 20 dB of fixed gain to cater for nominal monitor point loss
Return Loss > 15 dB (7 MHz to 234 MHz)
Impedance Unbalanced, 75
Ω
to ground (nominal)
Protection Maximum applied voltage
±
5 V short term
Connector BNC
Clock 155.52 MHz with 50%
±
10% duty cycle (typical)
Format Non-return to zero (NRZ)
Timing Data set-up time: > 600 ps
Data hold time: > 3.12 ns
Impedance 50
Ω
nominal, terminated to
−
2 V
Level ECL
Interface DC coupled
Connector SMA
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