Tabor Electronics 5064, User Manual

Page: 317 / 369

2074
User Manual
6-14
Function: Pulse Width Measurement
Ch A Slope: Negative
2. Connect the counter channel A to the 2074 output
3. Using ArbConnection prepare and download the following
waveform:
Wavelength: 100 points
Waveform: Pulse, Delay = 0.1, Rise/Fall = 0, High
Time = 99.99
4. Configure the 2074, channel 1 only, as follows:
SCLK 200 MS/s
Waveform: Arbitrary
Amplitude: 5
V
Run Mode: Triggered
Trigger Level 0 V
Re-trigger: On
Re-trigger Delay: As required by the test
Re-trigger Source: BUS
Output: On
Test Procedure
1. Using ArbConnection, manually trigger the instrument
2. Perform trigger delay tests using Tables 6-12.
Table 6-12, Re-Trigger Delay Tests
2074 Delay
Setting Error Limits Counter Reading Pass Fail
1
μ
s 1
μ
s
±
85 ns
1ms
1 ms
±
50
μ
s
1s
1 s
±
50 ms
Trigger Slope
Equipment: Oscilloscope, function generator
Preparation:
1. Configure the Oscilloscope follows:
Termination: 20 dB, 50
Ω
feedthrough attenuator at the
oscilloscope input
Setup: As required for the test
Trigger Source: External
2. Connect 2074 Channel 1 output to the oscilloscope input
3. Configure the function generator as follows:
Frequency 10 kHz
Run Mode: Continue
Waveform: TTL Output
4. Connect the function generator TTL output to the 2074 TRIG IN
connector
5. Connect the function generator main output to the 2
nd
channel of
the oscilloscope
6. Configure the 2074 as follows: