Agilent
E4416A/E4417A EPM-P Series
Power Meters and E-Series E9320
Peak and Average Power Sensors
Data Sheet
EPM-P power meter specifications
Specifications describe the instrument’s warranted performance and apply after a 30 minute warm-up. These specifications are valid over its operating and environmental
range unless otherwise stated and after performing a zero
and calibration procedure.
Supplemental characteristics are intended to provide additional information; useful in applying the instrument by
giving typical (expected), but not warranted performance
parameters. These characteristics are shown in italics or
labeled as ‘typical’, ‘nominal’ or ‘approximate’.
Measurement uncertainties information can be found in,
Fundamentals of RF and Microwave Power Measurements
- Application Note 64-1, literature number 5965-6630E.
Compatibility, the EPM-P series power meters operate
with the E-series E9320 family of power sensors for peak,
average and time-gated power measurements. The EPM-P
series also operates with the existing 8480 and N8480
series, E-series CW and the E9300 range of power sensors
for average power measurements. For specifications pertaining to the 8480 and E-series CW and E9300 power sensors, please refer to the EPM Series Power Meters, E-
Series and 8480 Series Power Sensors, Technical
Specifications, literature number 5965-6382E. For specifications pertaining to the N8480 series power sensors, please
refer to the N8480 Series Thermocouple Power Sensors,
Technical Specifications, literature number 5989-9333EN.
Measurement modes, the EPM-P series power meters
have two measurement modes:
Single sensor dynamic range
E-series E9320 peak and average power sensors:
70 dB maximum (normal mode);
85 dB maximum (average only mode)
E-series CW power sensors: 90 dB
E-series E9300 average power sensors:
80 dB maximum
8480 series sensors: 50 dB maximum
N8480 series sensors: 55 dB maximum
Display units
Absolute: Watts or dBm
Relative: Percent or dB
Display resolution: Selectable resolution of 1.0,
0.1, 0.01, 0.001 dB in logarithmic mode, or 1 to 4 significant digits in linear mode.
Offset range: ±100 dB in 0.001 dB incre-
ments, to compensate for
external loss or gain
Video bandwidth: 5 MHz (set by meter and is
sensor dependent)
Note that the video bandwidth represents the ability of
the power sensor and meter to follow the power envelope
of the input signal. The power envelope of the input signal
is, in some cases, determined by the signal's modulation
bandwidth, and hence video bandwidth is sometimes
referred to as modulation bandwidth.
1. Normal mode (default mode using E9320 sensors)
for peak, average and time-related measurements,
and
2. Average only mode. This mode is primarily for
average power measurements on low-level signals,
when using E9320 sensors, and is the mode used
with 8480 and N8480 series sensors, E-series CW
sensors and E-series E9300 sensors.
Frequency range: 9 kHz to 110 GHz,
sensor dependent
Power range: -70 to +44 dBm,
sensor dependent
Table 1. Video bandwidth versus peak power dynamic range
Sensor model Video bandwidth/maximum peak power dynamic range
OFF High Medium Low
E9321A 300 kHz/ 300 kHz/ 100 kHz/ 30 kHz/
E9325A -40 dBm to +20 dBm -42 dBm to +20 dBm -43 dBm to +20 dBm -45 dBm to +20 dBm
E9322A 1.5 MHz/ 1.5 MHz/ 300 kHz/ 100 kHz/
E9326A -36 dBm to +20 dBm -37 dBm to +20 dBm -38 dBm to +20 dBm -39 dBm to +20 dBm
E9323A 5 MHz/ 5 MHz/ 1.5 MHz/ 300 kHz/
E9327A -32 dBm to +20 dBm -32 dBm to +20 dBm -34 dBm to +20 dBm -36 dBm to +20 dBm
Video bandwidth/
dynamic range optimization
The power measurement system, comprising the sensor
and meter, has its maximum video bandwidth defined by
the E9320 sensor. To optimize the system’s dynamic range
for peak power measurements, the video bandwidth in
the meter can be set to High, Medium and Low, as
detailed in the following table. The filter video bandwidths
stated in the table are not the 3 dB bandwidths as the
video bandwidths are corrected for optimal flatness. Refer
to figures 6 to 8 for information on the sensor’s peak flatness response. A filter OFF mode is also provided.
2
Accuracy
Measurement characteristics:
Instrumentation
Please add the corresponding power sensor linearity percentage; see Tables 6a and 6b for the E9320 sensors.
Average only mode:
Absolute
Logarithmic: ±0.02 dB
Linear: ±0.5%
Relative Logarithmic: ±0.04 dB
Linear: ±1.0%
Normal mode:
Calibration temperature1Temperature
±5 °C 0 to 55 °C
Absolute accuracy (log) ±0.04 dB ±0.08 dB
Absolute accuracy (linear) ±0.8% ±1.7%
Relative accuracy (log) ±0.08 dB ±0.16 dB
Relative accuracy (linear) ±1.6% ±3.4%
Time Base Accuracy 0.01%
1 mW power reference
Power output: 1.00 mW (0.0 dBm). Factory
Accuracy: For two years
Frequency: 50 MHz nominal
SWR: 1.06 maximum (1.08 maximum
set to ±0.4% traceable to the
National Physical Laboratories
(NPL), UK
±0.5% (23 ± 3 °C)
±0.6% (25 ± 10 °C)
±0.9% (0 to 55 °C)
for Option E41xA-003)
2
Measurements: Average power
Peak power
Peak-to-average ratio
Measurements between two time
offsets (time-gating)
Averaging: Averaging over 1 to 1024 readings
is available for reducing noise
Measurement speed (GPIB)
Over the GPIB, three measurement speeds are available
(normal, x 2 and fast). The typical maximum speed is
shown in the table below.
Table 2. Measurement speed for different sensor types
Sensor type Measurement speed
(readings/second)
Normal x 2 Fast
E-Series E9320 Average only mode 20 40 400
peak and average
sensors Normal mode
E-Series CW and E9300 average power 20 40 400
sensors
8480 and N8480 Series sensor 20 40 N.A.
5
20 40 1000
3,4
Channel functions A, B, A/B, B/A, A-B, B-A and
Relative
Storage registers 10 instrument states can be
saved via the Save/Recall menu.
Predefined setups
For common wireless standards (GSM900, EDGE, NADC,
iDEN, Bluetooth, IS-95 CDMA, W-CDMA and cdma2000),
predefined setups are provided.
Connector type: Type N (f), 50 ohms
1. Power meter is within ±5 °C of its calibration temperature.
2. National metrology institutes of member states of the Metre Convention, such as the
National Institute of Standards and Technology in the USA, are signatories to the
ComitÈ International des Poids et Mesures Mutual Recognition Arrangement. Further
information is available from the Bureau International des Poids et Mesures, at
http://www.bipm.fr/
3. Fast speed is not available for 8480 and N8480 series sensors.
4. Maximum measurement speed is obtained by using binary output in free run trigger.
5. For E9320 sensors, maximum speed is achieved using binary output in free run
acquisition.
3
Trigger
Sources: Internal, External TTL,
GPIB, RS232/422,
Time resolution: 50 ns
Delay range: ±1.0 s
Delay resolution: 50 ns for delays < ±50 ms;
otherwise 200 ns
Hold-off:
Range: 1 us to 400 ms
Resolution: 1% of selected value
(minimum of 100 ns)
Internal trigger:
Range: -20 to +20 dBm
Level accuracy: ±0.5 dB
Resolution: 0.1 dB
Latency: 500 ns ± 100 ns
Trigger out: Outputs a TTL signal for synchronizing
with external equipment, BNC connector.
Ground: Binding post accepts 4 mm plug or bare wire
connection
Line power
Input voltage range 85 to 264 Vac,
automatic selection
Input frequency range 47 to 440 Hz
Power requirement approximately 50 VA
(14 Watts)
Remote programming
Interface: GPIB interface operates to IEEE 488.2 and
IEC-625. RS-232 and RS-422 serial interfaces supplied as
standard
Command language: SCPI standard interface
commands
GPIB compatibility: SH1, AH1, T6, TE0, L4, LE0, SR1,
RL1, PP1, DC1, DT1, C0.
Latency is defined as the delay between the applied RF
crossing the trigger level and the meter switching into
the triggered state.
External trigger range: High > 2.0 V, Low < 0.8 V;
BNC connector; rising or falling edge triggered; input
impedance > 1 kW.
Trigger out: Output provides TTL compatible levels
(high > 2.4 V, low < 0.4 V) and uses a BNC connector
Sampling characteristics
Sampling rate: 20 Msamples/second
Sampling technique: Continuous sampling
Rear panel inputs/outputs
Recorder output(s): Analog 0 to 1 V, 1 kW output
impedance, BNC connector. Two outputs are available
on E4417A (channels A and B).
Remote input/output:
TTL output: used to signal when mea-
surement has exceeded a
defined limit.
TTL input: initiates zero and calibration
cycle.
Connector type: RJ-45 series shielded modu-
lar jack assembly.
TTL output: high = 4.8 V max;
low = 0.2 V max.
TTL input: high = 3.5 V min, 5 V max;
low = 1 V max, -0.3 V min.
RS-232/422 interface: Serial interface for communi-
cation with an external controller. Male plug 9-pin
D-subminiature connector.
Trigger in: Accepts a TTL signal for initiating measure-
ments, BNC connector.
Environmental specifications
Operating environment
Temperature 0° to 55 °C
Maximum humidity 95% at 40 °C,
(non-condensing)
Minimum humidity 15% at 40 °C
Maximum altitude 3,000 meters
(9,840 feet)
Storage conditions:
Storage temperature -20 to +70°C
Non-operating maximum
humidity: 90% at 65 °C
(non-condensing)
Non-operating maximum
altitude: 15,420 meters
(50,000 feet)
Regulatory information
Electromagnetic compatibility: This product
conforms with the protection requirements of European
Council Directive 89/336/EEC for Electromagnetic
Compatibility (EMC). The conformity assessment
requirements have been met using the technical
Construction file route to compliance, using EMC test
specifications EN 55011:1991 (Group 1, Class A) and EN
50082-1:1992. In order to preserve the EMC performance
of the product, any cable which becomes worn or damaged must be replaced with the same type and specification.
Product safety: This product conforms to the require-
ments of European Council Directive 73/23/EEC, and
meets the following safety standards:
IEC 61010-1(1990) + A1 (1992) + A2 (1995) /
EN 61010-1 (1993)
IEC 825-1 (1993) / EN 60825-1 (1994)
Canada / CSA C22.2 No. 1010.1-93
4
Physical specifications
Dimensions: The following dimensions exclude front
and rear panel protrusions: 212.6 mm W x 88.5 mm
H x 348.3 mm D (8.5 in x 3.5 in x 13.7 in)
Weight
Net:
E4416A: 4.0 kg (8.8 lbs) approximate
E4417A: 4.1 kg (9.0 lbs) approximate
Shipping:
E4416A: 7.9 kg (17.4 lbs) approximate
E4417A: 8.0 kg (17.6 lbs) approximate
Ordering information
Standard-shipped accessories
Power sensor cable
E9288A 1.5 meter (5 ft). One per E4416A, two
per E4417A
Documentation
E441xA-0B0 Delete hard copy English language User’s
Guide
E441xA-0BF Hard copy English language Programming
Guide
E441xA-0BK Additional hard copy English language
User’s Guide and Programming Guide
E441xA-0B3 Hard copy English language Service
Manual
E441xA-ABD Hard copy German localization User’s
Guide and Programming Guide
E441xA-ABE Hard copy Spanish localization User’s
Guide and Programming Guide
E441xA-ABF Hard copy French localization User’s Guide
and Programming Guide
E441xA-ABJ Hard copy Japanese localization User’s
Guide and Programming Guide
E441xA-ABZ Hard copy Italian localization User’s Guide
and Programming Guide
Power sensor cables
E441xA-004 Delete power sensor cable
Power cord
One 2.4 meter (7.5 ft) cable. Power plug matches
destination requirements.
ANSI/NCSL Z540-1-1994 certificate of calibration
supplied as standard.
Manuals
• Hard copy English language User’s Guide and
Installation Guide
• Product CD-ROM (contains English and localized
User’s Guide and Programming Guide)
Warranty
Included with each EPM-P power meter is a standard 12month return-to-Agilent warranty and service plan. A
selection can be made to extend the initial warranty and
service plan to 3 or 5 years. Standard-shipped accessories
come with a 3-month warranty.
Power meter options
Connectors
E441xA-002 Parallel rear panel sensor input
connector(s) and front panel reference
calibrator connector
E441xA-003 Parallel rear panel sensor input
connector(s) and rear panel reference
calibrator connector
For operation with the E9320 power sensors:
E9288A Power sensor cable, length 5 ft (1.5 m)
E9288B Power sensor cable, length 10 ft (3 m)
E9288C Power sensor cable, length 31 ft (10 m)
Note: The E9288A, B, and C sensor cables will also
operate with 8480, N8480 and E-series power sensors.
For operation with 8480, N8480, E-series CW and E9300
power sensors:
11730A Power sensor and SNS noise source
cable, length 5 ft (1.5 m)
11730B Power sensor and SNS noise source
cable, length 10 ft (3 m)
11730C Power sensor and SNS noise source
cable, length 20 ft (6.1 m)
11730D Power sensor cable, length 50 ft (15.2 m)
11730E Power sensor cable, length 100 ft (30.5 m)
11730F Power sensor cable, length 200 ft (61.0 m)
Other sensor cable lengths can be supplied on request.
Accessories
E441xA-908 Rack mount kit (one instrument)
E441xA-909 Rack mount kit (two instruments)
34131A Transit case for half-rack 2U high instruments
34141A Yellow soft carry / operating case
34161A Accessory pouch
Calibration documentation
E441xA-A6J ANSI Z540 compliant calibration test
data including measurement uncertainties
1. CD includes EPM-P analyzer software.
5
Service options
Warranty and Calibration
R-50C-011-3: Agilent Calibration Upfront
Plan 3-year coverage
R-50C-011-5: Agilent Calibration Upfront
Plan 5-year coverage
R-51B-001-3C: 1 year Return-to-Agilent
warranty extended to 3 years
R-51B-001-5C: 1 year Return-to-Agilent
warranty extended to 5 years
The E9320 Series power sensors have a
12-month return-to-Agilent warranty and
service plan. For more information,
contact your local sales and service office.
Table 3. Sensor specifications
1
E-series E9320 power sensor
specifications
The E9320 peak and average power sensors are designed
for use with the EPM-P series power meters. The E9320
sensors have two measurement modes:
Normal mode (default mode for E9320 sensors) for
peak, average and time-related measurements
Average only mode is designed primarily for average
power measurements on low-level signals. This mode is
the only mode used with 8480 and N8480 series sensors,
E-series CW sensors and E-series E9300 sensors.
The following specifications are valid after zero and calibration of the power meter.
Note: E9320 power sensors MUST be used with an
E9288A, B or C cable.
Sensor
model
E9321A
E9325A
E9322A
E9326A
E9323A
E9327A
Video
bandwidth
300 kHz
1.5 MHz
5 MHz
Frequency range
50 MHz to 6 GHz
50 MHz to 18 GHz
50 MHz to 6 GHz
50 MHz to 18 GHz
50 MHz to 6 GHz
50 MHz to 18 GHz
Power range
Average only mode Normal mode
-65 dBm to +20 dBm -50 dBm to +20 dBm
-60 dBm to +20 dBm -45 dBm to +20 dBm
-60 dBm to +20 dBm -40 dBm to +20 dBm
2
Maximum power
+23 dBm average;
+30 dBm peak
(< 10 msec duration)
Connector
type
Type N (m)
1. Options not available in all countries.
2. For average power measurements, free run acquisition.
6
The E9320 power sensors have two measurement ranges
(lower and upper) as detailed in Table 4.
Table 4. Lower and upper measurement ranges
E9321A/E9325A
Normal Average only
Lower range
-50 dBm -65 dBm
(min. power)
Lower range
+0.5 dBm -17.5 dBm
(max. power)
Lower to upper
auto range point
Upper to lower
-9.5 dBm -18.5 dBm
auto range point
Upper range
-35 dBm -50 dBm
(min. power)
Upper range
+20 dBm +20 dBm
(max. power)
Table 5. Power sensor maximum SWR
Sensor model
E9321A,
E9325A
Maximum SWR (< = 0 dBm)
50 MHz to 2 GHz: 1.12
2 GHz to 10 GHz: 1.16
10 GHz to 16 GHz: 1.23
16 GHz to 18 GHz: 1.28
E9322A/E9326A
Normal Average only
-45 dBm -60 dBm
1
-5 dBm -13.5 dBm
-15 dBm -14.5 dBm
-35 dBm -45 dBm
1
+20 dBm +20 dBm
E9323A/E9327A
Normal Average only
-40 dBm -60 dBm
1
-5 dBm -10.5 dBm
-15 dBm -11.5 dBm
-30 dBm -35 dBm
1
+20 dBm +20 dBm
1
1
E9322A,
E9326A
50 MHz to 2 GHz: 1.12
2 GHz to 12 GHz: 1.18
12 GHz to 16 GHz: 1.21
16 GHz to 18 GHz: 1.27
E9323A,
E9327A
50 MHz to 2 GHz: 1.14
2 GHz to 16 GHz: 1.22
16 GHz to 18 GHz: 1.26
Figure 1. Typical SWR for the E9321A and E9325A sensors at various power
levels
Figure 2. Typical SWR for the E9322A and E9326A sensors at various power
levels
Figure 3. Typical SWR for the E9323A and E9327A sensors at various power
levels
1. Applies to CW and constant amplitude signals only above –20 dBm.
7
Sensor linearity
Table 6a. Power sensor linearity, normal mode
(upper and lower range).
Sensor model Temperature Temperature
( 25 ± 10 °C) (0 to 55 °C)
E9321A and E9325A ±4.2% ±5.0%
E9322A and E9326A ±4.2% ±5.0%
E9323A and E9327A ±4.2% ±5.5 %
Table 6b. Power sensor linearity, average only mode
(upper and lower range).
Figure 4. Typical power linearity at 25 °C for the E9323A and
E9327A 5 MHz bandwidth sensors, after zero and calibration, with
associated measurement uncertainty.
Sensor model Temperature Temperature
( 25 ± 10 °C) (0 to 55 °C)
E9321A and E9325A ±3.7% ±4.5%
E9322A and E9326A ±3.7% ±4.5%
E9323A and E9327A ±3.7% ±5.0 %
If the sensor temperature changes after calibration, and
the meter and sensor is not re-calibrated, then the following
additional linearity errors should be added to the linearity
figures in Tables 6a and 6b.
Table 6c. Additional linearity error (normal and average only modes).
Sensor model Temperature Temperature
( 25 ± 10 °C) (0 to 55 °C)
E9321A and E9325A ±1.0% ±1.0%
E9322A and E9326A ±1.0% ±1.5%
E9323A and E9327A ±1.0% ±2.0 %
Power range –30 to –20 to –10 to 0 to +10 to
–20 dBm –10 dBm 0 dBm +10 dBm +20 dBm
Measurement ±0.9% ±0.8% ±0.65% ±0.55% ±0.45%
uncertainty
Figure 5. Relative mode power measurement linearity with an
EPM-P series power meter, at 25 °C (typical).
Figure 5 shows the typical uncertainty in making a relative
power measurement, using the same power meter channel
and the same power sensor to obtain the reference and the
measured values. It also assumes that negligible change in
frequency and mismatch error occurs when transitioning
from the power level used as the reference to the power
level measured.
8
Peak flatness
The peak flatness is the f latness of a peak-to-average ratio
measurement for various tone-separations for an equal
magnitude two-tone RF input. Figures 6, 7 and 8 refer to
the relative error in peak-to-average measurement as the
tone separation is varied. The measurements were performed at –10 dBm average power using an E9288A sensor
cable (1.5 m).
Calibration Factor (CF) and
Reflection Coefficient (Rho)
Calibration Factor and Reflection Coefficient data are provided at frequency intervals on a data sheet included with
the power sensor. This data is unique to each sensor. If you
have more than one sensor, match the serial number on
the data sheet with the serial number of the power sensor
you are using. The CF corrects for the frequency response
of the sensor. The EPM-P series power meter automatically
reads the CF data stored in the sensor and uses it to make
corrections.
For power levels greater than 0 dBm, add to the calibration factor uncertainty specification:
±0.1%/dB (for E9321A and E9325A sensors),
±0.15%/dB (for E9322A and E9326A sensors) and
±0.2%/dB (for E9323A and E9327A sensors).
Reflection Coefficient (Rho) relates to the SWR according
to the formula:
SWR = (1 + Rho) / (1 – Rho)
Figure 6. E9321A and E9325A Error in peak-to-average measurements for a
two-tone input (high, medium, low and off filters).
Figure 7. E9322A and E9326A error in peak-to-average measurements for a
two-tone input (high, medium, low and off filters).
Figure 8. E9323A and E9327A error in peak-to-average measurements for a
two-tone input (high, medium, low and off filters).
Maximum uncertainties of the CF data are listed in Table 7.
The uncertainty analysis for the calibration of the sensors
was done in accordance with the ISO Guide. The uncertainty data, reported on the calibration certificate, is the
expanded uncertainty with a 95% confidence level and a
coverage factor of 2.
Table 7. Calibration factor uncertainty at 0.1 mW (-10 dBm).
Frequency
50 MHz
100 MHz
300 MHz
500 MHz
800 MHz
1.0 GHz
1.2 GHz
1.5 GHz
2.0 GHz
3.0 GHz
4.0 GHz
5.0 GHz
6.0 GHz
7.0 GHz
8.0 GHz
9.0 GHz
10.0 GHz
11.0 GHz
12.0 GHz
12.4 GHz
13.0 GHz
14.0 GHz
15.0 GHz
16.0 GHz
17.0 GHz
18.0 GHz
Uncertainty (%)
(25 ±10°C)
Reference
±1.8
±1.8
±1.8
±1.8
±2.1
±2.1
±2.1
±2.1
±2.1
±2.1
±2.1
±2.1
±2.3
±2.3
±2.3
±2.3
±2.3
±2.3
±2.3
±2.3
±2.5
±2.5
±2.5
±2.5
±2.5
Uncertainty (%)
(0 to 55°C)
Reference
±2.0
±2.0
±2.0
±2.0
±2.3
±2.3
±2.3
±2.3
±2.3
±2.3
±2.3
±2.3
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.5
±2.8
±2.8
±2.8
±2.8
±2.8
9
Zero set
This specification applies to a ZERO performed when the
sensor input is not connected to the POWER REF.
Table 8. Zero set
Sensor model Zero set Zero set
(normal mode) (average only mode)
E9321A, E9325A 5 nW 0.17 nW
E9322A, E9326A 19 nW 0.5 nW
E9323A, E9327A 60 nW 0.6 nW
Example:
E9321A power sensor, number of averages = 4, free run
acquisition, normal mode, x 2 speed.
Measurement noise calculation:
(< 6 nW x 0.88 x 1.2) = < 6.34 nW
Effect of video bandwidth setting: The noise per sample
is reduced by applying the meter video bandwidth reduction filter setting (High, Medium or Low). If averaging is
implemented, this will dominate any effect of changing the
video bandwidth.
Table 11. Effect of video bandwidth on noise per sample.
Zero drift and measurement noise
Table 9. Zero drift and measurement noise.
Sensor
Zero drift
1
Measurement noise
model
E9321A
Normal Average only
mode mode
< ±5 nW < ±60 pW
Normal Normal Average only
mode
3
mode
4
< 6 nW < 75 nW < 165 pW
E9325A
E9322A
< ±5 nW < ±100 pW
< 12 nW < 180 nW < 330 pW
E9326A
E9323A
< ±40 nW < ±100 pW
< 25 nW < 550 nW < 400 pW
E9327A
Effect of averaging on noise: Averaging over 1 to 1024
readings is available for reducing noise. Table 9 provides
the measurement noise for a particular sensor. Use the
noise multipliers in Table 10, for the appropriate speed
(normal or x 2) or measurement mode (normal or average
only) and the number of averages, to determine the total
measurement noise value.
In addition, for x 2 speed (in normal mode) the total measurement noise should be multiplied by 1.2, and for fast
speed (in normal mode), the multiplier is 3.4.
Note that in fast speed, no additional averaging is
implemented.
2
mode
Noise multipliers
Sensor
E9321A
Low
0.32
Medium
0.50
High
0.63
E9325A
E9322A
0.50
0.63
0.80
E9326A
E9323A
0.40
0.63
1.0
E9327A
Example:
E9322A power sensor, triggered acquisition, video bandwidth = High.
Noise per sample calculation:
(< 180 nW x 0.80) = < 144 nW
Effect of time-gating on measurement noise
The measurement noise will depend on the time gate
length, over which measurements are made. Effectively
20 averages are carried out every 1 us of gate length.
Table 10. Noise multipliers
Mode
Number of
1
4
2
8
16
32
64
128
256
512
averages
Average
-only
Noise multiplier
(normal speed)
Noise multiplier
5.5
6.5
3.89
4.6
2.75
3.25
1.94
2.3
1.0
1.63
0.85
1.0
0.61
0.72
0.49
0.57
0.34
0.41
0.24
0.29
(x 2 speed)
Normal
Noise multiplier
1.0
0.94
0.88
0.82
0.76
0.70
0.64
0.58
0.52
0.46
(normal speed;
free run acquisition)
1. Within 1 hour after zero set, at a constant temperature, after a 24 hour warm-up of the power meter.
2. Measured over a one-minute interval, at a constant temperature, two standard deviations, with averaging set to 1
(for normal mode), 16 (for average only mode, normal speed) and 32 (for average only mode, x 2 speed).
3. In free run acquisition mode.
4. Noise per sample, video bandwidth set to OFF with no averaging (i.e. averaging set to 1) - see the note “Effect of
Video Bandwidth Setting” and Table 11.
10
1024
0.17
0.2
0.40
Settling times
Average-only mode:
In normal and x 2 speed, manual filter, 10 dB decreasing power
step refer to Table 12.
Table 12. Settling time (average only mode)
Number of average 1 2 4 8 16 32 64 128 256 512 1024
Settling time(s) normal 0.08 0.13 0.24 0.45 1.1 1.9 3.5 6.7 14 27 57
Settling time(s) x 2 0.07 0.09 0.15 0.24 0.45 1.1 1.9 3.5 6.7 14 27
In fast speed, within the range –50 to +20 dBm, for a 10 dB
decreasing power step, the settling time is 10 ms (for the E4416A)
and 20 ms (for the E4417A).
When a power step crosses the power sensor’s auto-range switch point,
add 25 ms.
Normal mode:
In normal, free run acquisition mode, within the range –20 to +20 dBm,
for a 10 dB decreasing power step, the settling time is dominated by
the measurement update rate and is listed in Table 13 for various filter settings.
Table 13. Settling time (normal mode)
Number of averages 1 2 4 8 16 32 64 128 256 512 1024
Settling time free run 0.1 0.15 0.25 0.45 0.9 1.7 3.3 6.5 13.0 25.8 51.5
acquisition, normal speed (s)
Settling time free run 0.08 0.1 0.15 0.25 0.45 0.9 1.7 3.3 6.5 13.0 25.8
acquisition, X2 speed (s)
Table 14. Rise and fall times versus sensor bandwidth
In normal mode, measuring in continuous or single acquisition mode,
the performance of rise times, fall times and 99% settled results are shown
in Table 14. Rise time and fall time specifications are for a 0.0 dBm pulse,
with the rise time and fall time measured between 10% to 90% points and
upper range selected.
Sensor model Parameter Video bandwidth setting
E9321A, Rise time (< μs) 2.6 1.5 0.9 0.3
E9325A Fall time (< μs) 2.7 1.5 0.9 0.5
Settling Time (rising) (< μs) 5.1 5.1 4.5 0.6
Settling Time (falling) (< μs) 5.1 5.1 4.5 0.9
E9322A, Rise time (< μs) 1.5 0.9 0.4 0.2
E9326A Fall time (< μs) 1.5 0.9 0.4 0.3
Settling Time (rising) (< μs) 5.3 4.5 3.5 0.5
Settling Time (falling) (< μs) 5.3 4.5 3.5 0.9
E9323A, Rise time (< μs) 0.9 0.4 0.2 0.2
E9327A Fall time (< μs) 0.9 0.4 0.2 0.2
Settling Time (rising) (< μs) 4.5 3.5 1.5 0.4
Settling Time (falling) (< μs) 4.5 3.5 2 0.4
Overshoot in response to power steps with fast rise times, i.e. less than the
sensor rise time, is < 10%. When a power step crosses the power sensor’s
auto-range switch point, add 10 μs.
1
Low Medium High Off
1. Rise and fall time specifications are only valid when used with the E9288A sensor cable (1.5 meters).
11
Physical specifications
Dimensions: 150 mm L x 38 mm W x 30 mm H
(5.9 in x 1.5 in x 1.2 in)
Weight: Net: 0.2 kg (0.45 lbs)
Shipping: 0.55 kg (1.2 lbs)
Ordering information
E9321A 50 MHz to 6 GHz; 300 kHz BW
E9322A 50 MHz to 6 GHz; 1.5 MHz BW
E9323A 50 MHz to 6 GHz; 5 MHz BW
E9325A 50 MHz to 18 GHz; 300 kHz BW
E9326A 50 MHz to 18 GHz; 1.5 MHz BW
E9327A 50 MHz to 18 GHz; 5 MHz BW
Accessories supplied
Operating and Service Guide (multi-language)
ANSI/NCSL Z540-1-1994 Certificate of Calibration
supplied as standard
Power sensor options
E932xA-A6J Supplies ANSI/NCSL Z540-1-1994
test data including measurement
uncertainties
E932xA-0B1 Add manual set
12
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Revised: October 1, 2009
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© Agilent Technologies, Inc. 2009
Printed in USA, November 2, 2009
5980-1469E
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