Tektronix TDS544A Uživatelský manuál stáhnout pdf (Strana 78)

Performance Tests

Performance Verification Procedures

Positive pulse

Negative pulses

Figure 1-31: Triggered Signal Range Test – 75 mV

p. Disconnect all test equipment (TSG121) from the digitizing oscillo-

scope.

5. Check 60 Hz Rejection.

a. Setup oscilloscope for 60 Hz Rejection Test.

Use the keypad to set the Ch1 Fine Scale to 282 mV (press 282,

SHIFT m, then ENTER).

Press WAVEFORM OFF.

Press CH2.

Press VERTICAL MENU.

Use the keypad set the fine scale to 2 V (press 2, then ENTER).

Press HORIZONTAL MENU.

Use the keypad to set the horizontal scale time-per-division

(Horiz Scale (/div)) to 5 ms (press 5, SHIFT, m, then ENTER).

b. Setup 60 Hz signal generator (SG 502).

Connect the output of the SG 502 to the CH2 input through a

50 cable (See Figure 1-32).

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Tektronix TDS544A Uživatelský manuál Strana 78