Specifications
173
switching. You don’t have to wait
for resolution that is not needed,
as the resolution is selectable
from 1 Hz to 1 MHz. For better mea-
surement accuracy over time and
temperature, an optional
oven timebase is available.
True power meter with a
wide selection of sensors
The 53140 series true power meter
provides laboratory instrument.
Obtain 0.01 dB resolution and
0.02 dB basic instrument accuracy.
DC DVM for AGC and power
supply measurements
A ±50 Vdc DVM monitors the
microwave receiver’s AGC circuitry
for assistance during antenna
alignment. The DVM can also
check the -48 Vdc power supplies
typically found at telecom sites.
Advanced instrument features
that help make the job easier
The Agilent 53140 series has the
features you expect in a precision
laboratory instrument. Relative
readings for both frequency
and power measurements show
deviations from nominal values.
Offset reading allows indirect
measurement of either final
frequency or power values or
both. Averaging smoothes out
rapidly changing measurement
displays for ease of viewing.
Microwave Frequency Counter
w/power meter, 53140 Series (Continued)
More detailed specifications at
www.agilent.com/find/microwavecounters
Microwave Frequency Counters
Abbreviated
technical data
Input Agilent Agilent Agilent
characteristics 53147A 53148A 53149A
Coupling Channel 1 AC AC AC
Channel 2 AC AC AC
Acquisition Channel 1 N/A N/A N/A
time
Channel 2 150 ms/125 ms 150 ms/125 ms 165 ms/140 ms
(1 MHz FM rate)
(FM Auto/
FM Off)
Resolution Channel 1/ 1 Hz to 1 MHz 1 Hz to 1 MHz 1 Hz to 1 MHz
Channel 2
Emissions Channel 1 N/A N/A N/A
(“kickback
Channel 2 –40 dBm / <–70 dBm –40 dBm / <–70 dBm –40 dBm / <–70 dBm
noise”)
(measuring/
no input)
Residual Channel 1 N/A N/A N/A
stability*
Channel 2 0.6 LSD rms 0.8 LSD rms 1.25 LSD rms
*Counter and
source tied to
same timebase
Accuracy Channel 1/ ±1 LSD ±1 LSD ±1 LSD
Channel 2 ±residual stability ±residual stability ±residual stability
± timebase error x frequency ± timebase error x frequency ± timebase error x frequency
Measurement
Channel 1 1/Resolution + 30 ms 1/Resolution + 30 ms 1/Resolution + 30 ms
time
Channel 2 1/Resolution + 1/Resolution + 1/Resolution +
acquisition time + 30 ms acquisition time + 30 ms acquisition time + 30 ms
FM tolerance Channel 1 N/A N/A N/A
Channel 2
(FM Auto) 20 MHz p-p max @ 20 MHz p-p max @ 20 MHz p-p max
10 MHz rate 10 MHz rate to 26.5 GHz,
12 MHz p-p max
above 26.5 GHz
@ 10 MHz rate
(FM Off)
1 MHz p-p @ 10 MHz rate 1 MHz p-p @ 10 MHz rate 1 MHz p-p @ 10 MHz rate
Power Meter Frequency range 100 kHz to 50 GHz, sensor dependent.
Specifications
Power range -70 to +44 dBm, sensor dependent.
Power sensors
supported 8480 series
Resolution 0.01 dB in log mode, 0.1% of full scale in linear mode.
Display units Absolute dBm or Watts, Relative dB or %
Accuracy Instrumentation ±0.02 dB or ± 0.5%. Add power sensor linearity
specification for overall system accuracy.
Zero set (digital setting capability of zero) Sensor dependent
Power reference
Power output 1.00 mW. Factory set to ± 0.7%, traceable to NIST.
Accuracy ±1.2% worst case (± 0.9 RSS) for one year.
Frequency 50 MHz (nominal)
Connector N (f)
DVM Function DC Volts
Specifications
Range ±50 Vdc
Resolution 2 mV
Accuracy ±0.25% of reading ±10 mV
Display Replaces frequency display when DVM is activated