IEC 30 Series - Calibration and Performance Checks

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SECTION 4
TABLE
4-2. CALIBRATION AND PERFORMANCE CHECKS
-
Step Calibration
Control Setting
Test
E{~ment
ode)
Procedure
1.
Adjust R145 for +15.00
±O. 02v @ TP6.
2. Measure:
-15.0 ±O. 1v @ TP3.
+5.0 ±O. 25v @ TP5.
-5.0 ±O. 25v @ TP4.
1.0
POWER SUPPLY
PWR - ON
DVM-DC
2.0
MAIN LOOP
ADJUSTMENT
2. 1
Follow Am~litude
Zero Adjus
FREQ Mutt @ lK
Dial @ 2.5
WAVEFORM @ Sine
MODE
@ Cont
DVM-DC
1.
Short TPll to ground.
2.
Adjust R29 for 0 ±50
mv dc @ rear side of
TP19.
3. Remove C9 short.
2.2 Triangle
Amplitude
Symmetry Adjust
Adjust R54 for 0 ±2 mv dc
@ rear side of TP19.
2.3
Triangle
Amplitude
Adjust
DVM-AC
Adjust R51 for 1. 66v ±3 mv
ac @ rear side of TP19.
2.4
Fre~uency
Cali ration
Adjust
FREQ Dial @ 3. 0 Counter-
Frequency
Adj ust R4 for 3. 0 kHz
±10 Hz
@ Sync Out.
2.5
1000:1
Frequency
Adjust
1--
Low-Frequency
Symmetry Adjust
FREQ Mutt @ 10K
FREQ Mutt @ 10K
Dial @ CW
Counter-
Period
Counter Time
Interval
Counter
Period
1.
Measure 30 kHz ±600
Hz
@ Sync Out.
2.
Adjust Rl (Coarse) for
67 ±33 ms @ Sync Out.
3.
Adjust R206 (Fine) for
67 ±7 IllS @ Sync Out.
4.
Adjust R18 for equal
1/2 period measure-
ments to within ±2 ms
@ Sync Out.
5.
Readj ust R206 for 67
±7 ms @ Sync Out.
3.0
HIGH RANGES
ADJUSTMENTS
3. 1
Triangle
Flatness
1 MHz
FREQ Mutt @ 1M
MODE
@ Cont
Counter-
Frequency
1.
Connect Sync Out to
counter via 50 ohms
terminated coax.
4-3
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