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175A - HP Archive

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I I<br />

I<br />

Section V<br />

Figures 5-19 to 5-21<br />

1 5-28<br />

v '<br />

SWEEP GENERATOR<br />

WAVEFORMS<br />

16 V<br />

,o)& v<br />

rGJ<br />

-+I I ov<br />

--IOV<br />

IT--<br />

16V<br />

- -36 V<br />

SCHEMATIC DIAGRAM NOTES<br />

SWEEP GENERATOR<br />

n<br />

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

in microhenries unless otherwise indicated.<br />

2. All triodes type 6DJ8.<br />

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

4. Conditions of dc voltage measurement:<br />

a. Disconnect all signal inputs.<br />

b. Set:<br />

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

TRIGGER SLOPE ................ +<br />

TRIGGER LEVEL ................ 0<br />

HORIZONTAL DISPLAY ............ X1<br />

5. Conditions of waveform measurement:<br />

a. Connect a 2-kc 1-volt p-p sine wave from an audio<br />

oscillator to TRIG INPUT.<br />

b. Set<br />

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

TRIGGER SLOPE ............... +<br />

TRIGGER SOURCE . ........... EXT AC<br />

TRIGGER LEVEL .............. 0<br />

SWEEP TIME ........... .0.1 MSEC~CM<br />

SWEEP OCCURRENCE. ........ .NORMAL<br />

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

--3.2 V<br />

--5.7 v<br />

--3.6 V<br />

--4.2 V<br />

--+185V<br />

-+70V<br />

--*52V<br />

--56V<br />

--*50V<br />

--50V<br />

-- 25V<br />

--75v<br />

I5 V<br />

:I,,,<br />

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

01526-2

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