Instruction manual

Preface
xvi Assembly-Level Service Guide
Description of the 225 MHz Counters
The Agilent 53131A and Agilent 53132A are universal counters capable of
measuring frequencies to 225 MHz on Channels 1 and 2. With an optional Channel 3,
this frequency is extended to 3.0 GHz (Option 030); 5.0 GHz (Option 050) or 12.4
GHz (Option 124).”
For the Agilent 53131A, frequency and time interval resolutions are 10 digits in one
second and 500 picoseconds, respectively. The Agilent 53131A provides users with
a GPIB measuring speed of 200 measurements per second, and is suitable for bench-
top operation and lower-volume ATE operation. The frequency and time interval
resolutions for the Agilent 53132A are up to 12 digits in one second and 150
picoseconds, respectively. The Agilent 53132A provides users with exceptional
resolution, and is ideal for ATE systems operation.
The Agilent 53131A/132A basic measurement functions include Frequency, Period,
Pulse Width, Duty Cycle, Rise/Fall Time, Time Interval, Frequency Ratio, Totalize,
Phase, and Peak Voltage.
The Agilent 53181A is a frequency counter capable of measuring frequencies to 225
MHz on Channel 1. Depending on which optional Channel 2 the counter contains,
this capability is extended to 1.5 GHz (Option 015) or 3.0 GHz (Option 030). The
Agilent 53181A has a frequency resolution of 10 digits in one second.
The Agilent 53181A provides users with a GPIB measuring speed of
200 measurements per second, and is suitable for bench-top and ATE operation.
The Agilent 53181A basic measurement functions include Frequency, Period, Peak
Voltage, and Frequency Ratio (if Channel 2 is installed).
The Agilent 53131A/132A/181A include additional measurement functions and
features that are designed specifically for manufacturing and service applications:
• 1, 5, 10 MHz external reference capability—to match customer’s house standard
(however, the Agilent 53132A’s external reference capability is 10 MHz only),
• optional ultra-high stability , high stability, or medium stability oven oscillators
for high accuracy needs,