HP 53132A Assembly And Service Manual page 242

Chapter 8 HP 53181A Specifications
Measurement Specifications (Continued)
Measurement Specifications (Continued)
⁄
Ch1
Frequency Ratio:
Ch2
Measurement is specified over the full signal range of each input.
Results Range:
'Auto' Gate Time:
LSD:
1
Ratio 1 2 ⁄ :
---------------------------------------------------------- -
×
Ch2 Freq Gate Time
Ch2 Freq
Ratio 2 1 ⁄ :
------------------------------------------------------------------
2
( ) ×
Ch1 Freq Gate Time
RMS Resolution:
× (
2 1 Ch1 Freq Ch2 Trigger Error
+
Ratio 1 2 ⁄ :
------------------------------------------------------------------------------------------------------------ -
Ch2 Freq Gate Time
× ×
2 Ch2 Freq
Ratio 2 1 ⁄ :
------------------------------------------------------------------------------------------------------------------------------------------- -
(
Ch1 Freq
To minimize relative phase measurement error, connect the higher frequency signal to Channel 1 when possible.
Peak Volts
Measurement is specified on Channels 1 for DC signals; or for AC signals of frequencies between 100 Hz and 30 MHz with peak-to-peak
amplitude greater than 100 mV. (The measurement will continue to operate up to 225 MHz, though results are for indication only.)
Results Range:
Resolution:
Systematic Uncertainty for AC signals: 25 mV + 10% of V
for DC signals:
Use of the input attenuator multiplies all voltage specifications (input range, results range, resolution and systematic uncertainty) by a
nominal factor of 10. For example with AC signals, the Systematic Uncertainty becomes: 250 mV + 10% of V.
8-8
⁄
Ch2
Ch1
–10 11
10 to 10
100 ms (or sufficient cycles on Channel 1 to make a valid measurement, whichever is longer)
2
× )
×
( ×
1 + Ch1 Freq Ch2 Trigger Error
) 2 ×
Gate Time
–5.1 V to +5.1 V
10 mV
25 mV + 2% of V
2
)
Assembly-Level Service Guide