Features and Functions 3
Agilent U1251A/U1252A User’s and Service Guide
75
Square Wave Output (for U1252A)
Square wave output is a unique function for many applica-
tions, such as PWM (Pulse Width Modulation) output, adjust-
able voltage control, and synchronic clock (baud rate
generator). You can also use this function to check and cali-
brate flow- meter displays, counters, tachometers, oscillo-
scopes, frequency converter, frequency transmitter and other
frequency input devices.
1
Turn the rotary switch to
position. Default display
setting is 600 Hz on secondary display and 50% duty cycle
on primary display.
2
Push
or
to scroll through the available frequencies
(there are 28 frequencies to choose from):
3
Push
to select duty cycle (ms) on primary display.
4
Push
or
to adjust the duty cycle. Duty cycle can be
set for 256 steps and each step is 0.390625%. The display
only indicates the best resolution with 0.001%.
Frequency (Hz)
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, 4800
N O T E
Pushing
is the same as pushing
.
Summary of Contents for U1251A
Page 34: ...34 Agilent U1251A U1252A User s and Service Guide 1 Getting Started Tutorial...
Page 116: ...116 Agilent U1251A U1252A User s and Service Guide 5 Maintenance...
Page 120: ...120 Agilent U1251A U1252A User s and Service Guide 6 Accessories...
Page 156: ...156 Agilent U1251A U1252A User s and Service Guide 8 Specifications...
