Quantum-composers 9250 Series Bedienungsanleitung PDF herunterladen (Seite 47)

9250 Manual Version 1.2 | Quantum Composers

11. Appendix C – TZ50 (Impedance Match Option)

TZ50 Overview

This “TZ50” option allows a user to terminate into a 50 Ohm load while maintaining output amplitudes

of at least 4 Volts. All other functionality of the module is the same as the 9250. The output may be

adjusted accordingly as before; although, due to the alternate internal circuitry, one should expect to

see lower amplitudes when terminated into a 50 Ohm load. This concept is due to the voltage divider

theory in which:



















  







 



 





 







   

When terminated into high impedance loads (≥ 1K ohm), one should expect to see the set

amplitude, accompanied with substantial overshoot and ringing. See Figures D.1 and D.2 for

visual representations of these scenarios.

This option cannot be mixed with a standard output. If ordered, the TZ50 will be applied to every

channel.

For more information on upgrading and/or purchasing the TZ50 option, please contact sales:

[email protected]

www.QuantumComposers.com

1.800.510.6530

TZ50 Specifications

MIN

TYP

MAX

UNIT

Output Module

Output Impedance

Ohms

Output Level

3.3 – 5.0 VDC into ≥ 1K ohm

2.8 – 4.4 VDC into 50 ohm

Output Current

5mA typical into 1K ohm

86mA typical into 50 ohm

Rise Time (10% - 90%)

< 1ns typical @ 5V (High Imp)

< 2ns typical @ 4.4V (50 ohm)

Slew Rate

V/ns

Overshoot

< 100mV + 85% of pulse amplitude into ≥ 1K ohm

< 100mV + 20% of pulse amplitude into 50 ohm

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