HP 203A - Page 21

Section У | | Model 203A
Figures 5-3 and 5-4
DISTORTION ANALYZER
áp 331A
Ф2ОЗА
VARIABLE PHASE
FUNCTION GENERATOR
ТОРҒЫН
9%
|o
REFERENCE
PHASE
OUTPUT
©
о
205А-М-12А
бооп мам 1%
%0727-0081
AC VOLTMETER
84038
Figure 5-3. Sine Wave Check (
b. Set Model 203 А controls as follows: d. Using Distortion Analyzer, check total har-
monic distortion present on signal. Distortion lovel
FREQUENCY .............. 10 Should be more than 64 db (0,06%) below fundamental
MULTIPLIER «4499.3 35 100 frequency reference level.
~ AMPLITUDE dx: both CW e. Repeat step Я at a number of frequencies be-
: tween 5 cps and 60 Кс.
с. AC Voltmeter should read at least 5. 3 volts f. Repeat steps a through e for VARIABLE
rms, PHASE ~ OUTPUT.
50 MC OSCILLOSCOPE
ф2ОЗА
VARIABLE PHASE
FUNCTION GENERATOR
Ооо (о) оо
O о в о о
Ono Ke со
REFERENCE /. » ОМ PROBE |
РНАЗЕ ——
OUTPUT —6000 1/2W 1%
%0727-008І
178ОА
203А-М-133А
Figure 5-4, Square Wave Check
5-4 | 01760-3