BNC 575 Series Spezifikationen PDF herunterladen (Seite 54)

F-13

Appendix F - TZ50 (Impedance Matching

Output Module)

TZ50 Overview

This module option allows a user to have a 50 Ohm load on the output while

maintaining output amplitude of at least 4 Volts while in the TTL/CMOS mode. All

other functionality of the module is the same as the AT20 modules, including

output while using the Adjustable Mode Function of the channels.

TZ50 Specifications

TTL/CMOS Mode

Output Level 4.0 V typ into 50 Ohms

Rise Time 3 ns

Slew Rate 0.5 V/ns

Jitter - Channel to Channel 50 ps RMS

Adjustable Mode

Output Resolution 10 mV

Current 100 mA typ, 400 mA max (short pulses)

Slew Rate 0.1 V/ns

*Note: The TZ50 module has significant overshoot and ringing through high

impedance (see figure below).

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 62 63

1 Table of Contents 2
2 Introduction 6
3 Safety Issues 7
4 Front Panel Overview 8
Rotary Adjustment Knob 9
Operations 10
Channel Timer Functions 11
Digital Output Multiplexer 11
Selecting Menus 12
Selecting Menu Items 12
Numeric Input Mode 12
Alphanumeric Input Mode 13
Enabling System Output 13
Rearming the Channel Timers 13
Period 15
6 575 Menu Structure 16
“Pulse Inhibit” method 19
“Output Inhibit” method 19
Trigger Menus (TRIG key) 20
Gate Menus (GATE key) 20
Enabling System Gate 21
Communication Interface Menu 21
User Options Menu 1 21
Setting Keypad Parameters 21
User Options Menu 2 22
Setting the Auto Start Mode 22
Storing a Configuration 22
Using the Counter Function 23
Information Menu A 23
Information Menu B 23
7 Operating the 575 24
System Timer Overview 25
Channel Timer Overview 26
External Input Overview 28
8 Programming the 575 31
USB Interface Overview 32
GPIB Interface Overview 32
Ethernet Interface Overview 32
Line Termination 33
SCPI Command Format 34
SCPI Optional Keywords 35
SCPI Parameter Types 35
Error Codes 35
Example 1) 36
Example 2) 36
IEEE 488.2 Common Commands 41
INTERNAL RATE GENERATOR 42
OPTICAL OUTPUTS 44
OPTICAL INPUTS 44
EXTERNAL CLOCK IN/OUT 44
GENERAL 44
OUTPUT MODULES 45
INPUT MODULES 45
Safety Marking Symbols 46
Appendix C - COM Option 49
DT15 Overview 51
DT15 Menus 51
DT15 SCPI Command Summary 52
AT35 Description 53
AT35 Specifications 53
Output Module) 54
Increment Overview 55
Increment Menus 55
Increment Specifications 56
AT45 Option Overview 58
AT45 Channel Menus 58
AT45 Specifications 59
60
Figure 3 (Low Z 5V) 61
Figure 4 (Low Z 45V) 61

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