Tektronix 684A 사용자 설명서

Performance Tests

TDS 684A, TDS 744A, & TDS 784A Service Manual

Instrument Serial Number:

Certificate Number:

Temperature:

RH %:

Date of Calibration:

Technician:

Delay Between Channels

Delay Between Channels

N/A

__________

__________

50 ps

Time Base System

Long Term Sample Rate/
Delay Time @ 100 ns/10.0 ms

–2.5 Div

__________

__________

+2.5 Div

Trigger System Accuracy

Pulse-Glitch or Pulse-Width, 
Hor. scale 

≤

 1 

ms

Lower Limit
Upper Limit

3.5 ns
2.5 ns

__________
__________

__________
__________

6.5 ns
6.5 ns

Pulse-Glitch or Pulse-Width, 
Hor. scale > 1 

ms

Lower Limit
Upper Limit

1.9 

ms

1.9 

ms

__________
__________

__________
__________

2.1 

ms

2.1 

ms

Main Trigger, DC Coupled, Positive Slope

9.9393 V

__________

__________

10.1147 V

Main Trigger, DC Coupled, Negative Slope

9.9393 V

__________

__________

10.1147 V

Delayed Trigger, DC Coupled, Positive Slope

9.9393 V

__________

__________

10.1147 V

Delayed Trigger, DC Coupled, Negative Slope

9.9393 V

__________

__________

10.1147 V

CH1 Sensitivity, 50 MHz, Main

Pass/Fail

__________

__________

Pass/Fail

CH1 Sensitivity, 50 MHz, Delayed

Pass/Fail

__________

__________

Pass/Fail

CH1 AUX Trigger Input

Pass/Fail

__________

__________

Pass/Fail

CH1 Sensitivity, full bandwidth, Main

Pass/Fail

__________

__________

Pass/Fail

CH1 Sensitivity, full bandwidth, Delayed

Pass/Fail

__________

__________

Pass/Fail

Output Signal Checks

MAIN TRIGGER OUTPUT, 1 M

W

High
Low

High 

≥

 2.5 V

__________
__________

__________
__________

Low 

≤

 0.7 V

MAIN TRIGGER OUTPUT, 50 

W

High
Low

High 

≥

 1.0 V

__________
__________

__________
__________

Low 

≤

 0.25 V

DELAYED TRIGGER OUTPUT, 50 

W

High
Low

High 

≥

 1.0 V

__________
__________

__________
__________

Low 

≤

 0.25 V

DELAYED TRIGGER OUTPUT, 1 M

W

High
Low

High 

≥

 2.5 V

__________
__________

__________
__________

Low 

≤

 0.7 V