Atec Agilent-53132A, Agilent-53131A, Agilent-53181A User Manual
Agilent 53131A/132A/181A Counters
High-performance, low-cost counters simplify and
speed systems and bench frequency measurements
Data Sheet
Recommended replacement products:
53200 Series RF & universal frequency counter/timers
(Data sheet publication number: 5990-6283EN)
• 225 MHz bandwidth
(optional 1.5, 3, 5, or 12.4 GHz)
• 10- or 12-digit resolution with
1 s gate time
• GPIB interface and IntuiLink
connectivity software standard
• Data transfer rate of up to 200 fully
formatted measurements/second
A family of universal and
RF counters to meet your needs
Agilent Technologies 53131A/132A/
181A high-performance counters give
you fast, precise frequency measurements at an affordable price. These
counters feature an intuitive user
interface
frequently
make accurate measurements quickly
and easily.
and one-button access to
used functions so you can
Real-time digital signal processing
technology is used to analyze data
while simultaneously taking new readings, speeding measurement throughput. The technology, developed for
Agilent’s high-end line of modulation
domain analyzers, allows the counters
to gather more data for each measurement, so you get higher-resolution
measurements in a fraction of the time
it takes other counters.
The 53131A/132A/181A counters offer
built-in statistics and math functions
so you can scale measurements and
simultaneously measure and track
average, min/max and standard deviation. Automated limit testing lets you
set upper and lower limits for any measurement. An analog display mode lets
you see at a glance whether a measurement is within pass/fail limits. The
counters flag out-of-limit conditions
and can generate an output signal to
trigger external devices when a limit
is exceeded. For quick access to frequently used tests, a single keystroke
recalls up to 20 different stored frontpanel set-ups.
For computer-controlled systems
applications, each counter includes
a standard GPIB interface with full
SCPI-compatible programmability and
a data transfer rate of up to 200 fully
formatted measurements per second.
The standard RS-232 talk-only interface
provides printer support or data transfer to a computer through a terminalemulation program.
Agilent 53131A universal counter
The two-channel 53131A counter offers
10 digits per second of frequency/
period resolution and a bandwidth of
225 MHz. Time interval resolution is
specified at 500 ps. An optional third
channel provides frequency measurements up to 3 GHz, 5 GHz, or 12.4 GHz.
Standard measurements include frequency, period, ratio, time interval,
pulse width, rise/fall time, phase
angle, duty cycle, totalize, and peak
voltage.
Agilent 53132A universal counter
For applications requiring higher
resolution, the 53132A offers the same
features and functions as the 53131A,
with up to 12 digits/sec frequency/
period resolution and 150 ps time
interval resolution. In addition, the
53132A offers advanced arming modes
for time interval measurements.
Agilent 53181A RF counter
Optimized for RF applications, the
single-channel 10 digit/s 53181A
measures frequency, period and peak
voltage. A digit-blanking function lets
you easily eliminate unnecessary digits
when you want to read measurements
quickly. For higher-frequency measurements, choose an optional second
channel that provides measurements
up to 1.5 GHz, 3 GHz, 5 GHz, or 12.4 GHz.
A self-guided shallow menu makes this
counter exceptionally easy to use.
2
Agilent IntuiLink provides easy access
to the counter’s data from your PC
The Agilent 53131A/132A/181A
counters, capture precise frequency
and time measurements. IntuiLink
software allows that data to be put
to work easily. You work in a familiar
environment at all times, using PC
Agilent IntuiLink lets you:
• Configure tests, including measurement type, number of readings,
measurement speed, and more.
• Choose display modes from realtime strip chart, histogram, readout,
and table mode.
applications such as Microsoft Excel®
or Word® to analyze, interpret, display,
• Scale measurements data.
print, and document the data you get
from the counter.
• Copy captured data to other
programs.
It gives you the flexibility to configure
and run tests from your PC making
data gathering more convenient.
Time Base
Internal time base stability (see graph 3 for timebase contribution of measurement error)
Optional timebases offer
increased stability
Optional timebases are available
for 53131A/132A/181A counters to
increase measurement accuracy. Option
010 provides a high stability oven
timebase with aging of less than
-10
5 x 10
per day.
1-year warranty
Each counter comes with operating,
programming and service manuals,
IntuiLink software, a power cord and
a full 1-year warranty.
Standard Medium oven High oven Ultra high oven
(0° to 50°C) (Option 001) (Option 010) (Option 012 for 53132A only)
Temperature stability (referenced to 25°C) < 5 x 10-6 < 2 x 10-7 < 2.5 x 10-9 < 2.5 x 10
Aging rate Per Day: < 4 x 10-8 < 5 x 10
(after 30 days) Per Month: < 3 x 10
Per Year: < 2 x 10
Turn-on stability vs. time
(in 30 minutes) < 2 x 10
Calibration Manual adjust Electronic Electronic Electronic
-7
< 2 x 10-7 < 1.5 x 10-8 < 3 x 10
-7
< 5 x 10-9 < 5 x 10
referenced to 2 h referenced to 24 h referenced to 24 h
-10
< 1 x 10
-9
-10
-9
-8
-9
Note that power to the time base is maintained when the counter is placed in standby via the front panel switch. The internal fan will continue to operate
when in standby to maintain long-term measurement reliability.
3
Instrument Inputs
Input specifications
Channel 1 & 2 (53131A, 53132A)
Channel 1 (53181A)
Frequency range
dc coupled dc to 225 MHz
ac coupled 1 MHz to 225 MHz (50 Ω)
30 Hz to 225 MHz (1 MΩ)
FM tolerance 25%
Voltage range and sensitivity (Sinusoid)
dc to 100 MHz 20 mVrms to ±5 V ac + dc
100 MHz 30 mVrms to ±5 V ac + dc
to 200 MHz
200 MHz 40 mVrms to ±5 V ac + dc
to 225 MHz (all specified at 75 mVrms
with opt. rear connectors)
Voltage range and sensitivity
(Single-shot pulse)
2
4.5 ns to 10 ns 100 mVpp to 10 Vpp
pulse width (150 mVpp with optional
rear connectors)
>10 ns 50 mVpp to 10 Vpp
pulse width (100 mVpp with optional
rear connectors)
Trigger level
2
Range ± 5.125 V
Accuracy ± (15 mV + 1% of trigger level)
Resolution 5 mV
Damage level
50 Ω 5 Vrms
0 to 3.5 kHz, 350 Vdc + ac pk
1 MΩ
3.5 kHz to 350 Vdc + ac pk linearly
100 kHz, 1 MΩ
derated to 5 Vrms
>100 kHz, 5 Vrms
1 MΩ
1
2
3
3
3
Input characteristics
Channel 1 & 2 (53131A, 53132A)
Channel 1 (53181A)
Impedance 1 MΩ or 50 Ω
1 MΩ 30 pF
capacitance
Coupling ac or dc
Low-pass filter
100 kHz, switchable
-20 dB at > 1 MHz
Input Selectable between Low,
sensitivity Medium, or High (default).
Low is approximately 2x
High Sensitivity.
Trigger slope Positive or negative
Auto trigger level
Range 0 to 100% in 10% steps
Frequency > 100 Hz
Input amplitude
> 100 mVpp
(No amplitude modulation)
Attenuator
Voltage range x10
Trigger range x10
Input Specifications
Channel 3 (53131A, 53132A)
Channel 2 (53181A)
Frequency range
Option 015 100 MHz to 1.5 GHz
(for 53181A (see Opt. 030 for
only) additional specs)
Option 030 100 MHz to 3 GHz
Option 050 200 MHz to 5 GHz
Option 124 200 MHz to 12.4 GHz
Power range and sensitivity (Sinusoid)
Option 030 100 MHz to 2.7 GHz:
-27 dBm to +19 dBm
2.7 GHz to 3 GHz:
-21 dBm to +13 dBm
Option 050 200 MHz to 5 GHz:
-23 dBm to +13 dBm
Option 124 200 MHz to 12.4 GHz
-23 dBm to +13 dBm
Damage level
Option 030 5 Vrms
Option 050 +25 dBm
Option 124 +25 dBm
1
4
4
Characteristics
Impedance 50 Ω
Coupling AC
VSWR < 2.5:1
External arm input specifications
5
Signal input range
TTL compatible
Timing Restrictions
Pulse width > 50 ns
Transition time < 250 ns
Start-to-stop time
> 50 ns
Damage level 10 Vrms
External arm input characteristics
5
Impedance 1 kΩ
Input capacitance
17 pF
Start/stop slope Positive or negative
External time base input specifications
Voltage range 200 mVrms to 10 Vrms
Damage level 10 Vrms
Frequency 1 MHz, 5 MHz, and 10 MHz
(53132A 10 MHz only)
Time base output specifications
Output frequency
Voltage > 1 Vpp into 50 Ω
(centered around 0 V)
1. Specifications and characteristics for Channels
1 and 2 are identical for both common and
separate configurations.
2. Values shown are for X1 attenuator setting.
Multiply all values by 10 (nominal) when using
the X10 attenuator setting.
3. When the 53131A or 53132A are ordered with
the optional rear terminals (Opt. 060), the channel
1 and 2 inputs are active on both front and rear
of the counter. When the 53181A is ordered with
the optional rear terminal, the channel 1 input is
active on both front and rear of the counter. For
this condition, specifications indicated for the rear
connections also apply to the front connections.
4. When optional additional channels are ordered
with Opt. 060, refer to configuration table for
Opt. 060 under ordering info on page 8. There is
no degradation in specifications for this input,
as applicable.
5. Available for all measurements except peak volts.
External arm is referred to as external gate for
some measurements.
10 MHz
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