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175A - HP Archive

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Section V<br />

Figures 5-26 and 5-27<br />

HORIZONTAL AMPLIFIER<br />

1. Resistance in ohms, capacitance in picofarads, inductance in microhenries<br />

unless otherwise indicated.<br />

2. Signal lines weighted. Feedback lines weighted with dashes.<br />

3. Conditions of sweep-voltage waveform measurements:<br />

a. Waveforms are shownfor X1 andXl0 setting of HORIZONTAL DISPLAY.<br />

b. Set:<br />

VERTICALSENSITNITY. .... 2VOLTS/CM<br />

SWEEP TIME ........... 1 MSEC/CM<br />

TRIGGERSOURCE ........... INT.<br />

TRIGGERSLOPE.. ........... +<br />

TRIGGERLEVEL. .............<br />

SWEEP MODE. ........... PRESET<br />

HORIZONTAL POSITION ..... to center trace<br />

4. Conditions of HORIZ. INPUT waveform measurements:<br />

a. Connect 10 VOLTS CALIBRATOR to HORIZ. INPUT.<br />

b. Set:<br />

HORIZONTAL DISPLAY. ... 1 VOLT/CM AC<br />

EXTERNAL VERNIER. ......... CAL.<br />

HORIZONTAL POSITION . , . to center trace<br />

R201 CZ03 C201 R202 C204<br />

/? /-<br />

C202 R214 S201<br />

0<br />

ITSA-A-30<br />

Figure 5-27. A202 Horizontal Display Switch Assembly,<br />

Mounted Components<br />

Model <strong>175A</strong><br />

5-32 01526-2

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