Square Wave Output For U1252B; Table 7-16 Frequency Counter; Table 7-17 Square Wave Output Specifications - Agilent Technologies U1251B User's And Service Manual

Table 7-16 Frequency counter (divide by 100
Range
9.9999 MHz
99.99 MHz
Notes for frequency counter specifications:
1 All frequency counters are susceptible to error when measuring low-voltage, low-frequency signals. Shielding inputs from
picking up external noise is critical for minimizing measurement errors. For non-square wave signals, an additional 5
counts need to be added.
2 The maximum measurement level is < 30 Vpp.
3 The minimum measurement frequency of low frequency is set by power-on option to speed up the measurement rate.
4 Shown on the secondary display.

Square Wave Output for U1252B

Table 7-17 Square wave output specifications

[1]
Output
Frequency
[2][4][5]
Duty Cycle
[2][4][6]
Pulse Width
Amplitude
Agilent U1251B/U1252B User's and Service Guide
[4]
) specifications
Accuracy
± (% of reading + No.
Resolution
of Least Significant
0.0001 MHz 0.002 % + 5,
0.001 MHz
0.5, 1, 2, 5, 10, 15, 20, 25, 30, 40, 50, 60,
75, 80, 100, 120, 150, 200, 240, 300,
400, 480, 600, 800, 1200, 1600, 2400,
Sensitivity
Digit)
400 mV R.M.S.
600 mV R.M.S.
< 20 MHz
Range
4800 Hz
0.39% – 99.60%
1/Frequency
Fixed 0 to + 2.8 V
Specifications
Min. Input Frequency
1 MHz
Accuracy
0.005% x output frequency + 2 counts
± 0.398% of full scale
0.2 ms + (range/256)
± 0.2 V
7
[3]
169