Tektronix TDS500C Manuale Utente Scaricare il pdf (Pagina 62)

Performance Tests

1–46

TDS 500C, TDS 600B & TDS 700C Performance Verification and Specifications

1. Install the test hookup and preset the instrument controls:

a. Initialize the instrument:

H Press save/recall SETUP.

H Press the main-menu button Recall Factory Setup.

H Press the side-menu button OK Confirm Factory Init.

b. Modify the default setup:

H Press VERTICAL MENU.

H Press the main-menu button Coupling; then press the side-menu 

button to select 50  coupling.

H Set the horizontal SCALE to 10 ns on the TDS 600B and 12.5 ns on

the TDS 500C/700C.

c. Hook up the test-signal source: Connect the output of a

medium-frequency leveled sine wave generator (Item 25) to CH 1. Do

this through a 50 W precision coaxial cable, followed by a 10X

attenuator. See Figure 1–14.

50  coaxial cable

Medium-Frequency

Sine Wave Generator

Digitizing Oscilloscope

Output

10X Attenuator

Figure 1–14: Initial test hookup

2. Confirm the trigger system is within time-accuracy limits for pulse-glitch or

pulse-width triggering (Horizontal Scale ≤1 s):

a. Display the test signal: Set the output of the sine wave generator for a

100 MHz, five-division sine wave on screen. Press SET LEVEL TO

50%.

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Tektronix TDS500C Manuale Utente Pagina 62