TB 9-6625-2049-24
10. Square Wave Characteristics
a. Performance Check
(1) Press keys and enter values using DATA keys as listed in (a) through (f) below:
SIGNAL off (option 002 not lit).
(a)
FUNCTION square wave.
(b)
ENTRY FREQ.
(c)
1 MHz.
(d)
ENTRY AMPTD.
(e)
1 V RMS.
(f)
(2) Connect TI SIGNAL to oscilloscope Vertical 1 input using 50
feedthrough.
to on (lit).
(3) Set oscilloscope Vertical 1 Input 1M
(4) Set oscilloscope controls for duty cycle measurement. Duty cycle will be between
49.7 and 50.3 percent.
(5) Enter 10 VOLT using DATA keys.
(6) Set oscilloscope controls for rise time measurement. Rise time will be 20 ns.
(7) Repeat (6) above for fall time.
(8) Set oscilloscope controls for overshoot measurement. Overshoot will be 5
percent of peak to peak amplitude ( 500 mV at positive and negative peaks).
(9) Perform (10) through (12) below for option 002 only.
(10) Remove 50
feedthrough from connection.
(11) Press TI SIGNAL key on (lit).
(12) Press TI AMPTD, 3, 5, VOLT keys.
(13) Repeat technique in (6) through (8) above. Rise time and fall time will be
125 ns with an overshoot <10 percent of peak amplitude (<500 mV at positive and
negative peaks).
b. Adjustments. No adjustments can be made.
11. Ramp Retrace
a. Performance Check
(1) Connect TI SIGNAL to oscilloscope Vertical 1 input using 50
feedthrough.
(2) Set oscilloscope Vertical 1 Input 1M
to on (lit).
(3) Press keys and enter values using DATA keys as listed in (a) through (f) below:
SIGNAL off (option 002 not lit).
(a)
FUNCTION positive ramp.
(b)
ENTRY FREQ.
(c)
10 kHz.
(d)
ENTRY AMPTD.
(e)
10 VOLT.
(f)
