• Cellular and PCS frequency coverage in one box
• Analog and TDMA test capabilities
• Built-in average power meter with ±7.5% accuracy
• Dedicated, one-button user interface keys
• Firmware upgradeable (via PCMCIA to flash memory)
• Automation software to increase measurement
repeatability and enhance technician efficiency
The Agilent Technologies 8935 Series E6381A
TDMA base station test set is a full-featured, onebox test set designed to meet the needs of installation teams, service providers, and network equipment manufacturers.
Building on the success of our previous generations of base station test equipment, the E6381A
heavily incorporates feedback from PCS and
Cellular users. For example, the E6381A utilizes a
large, bright, easy-to-read, electroluminescent display. A convenient connector section on the side
of the test set allows unobtrusive, out-of-the-way
hook up, as well as protects the connectors from
damage. A suitcase form factor provides better
portability.
The “rugged” design includes a reliable membrane
keypad, a gasketed display, and filtered
airflow to resist dirt and moisture. The unit’s
enclosure provides for stand up operation, and
helps protect itself from bumps and shocks.
The E6381A incorporates a user-friendly interface
with one-key measurement execution. This inter-
face, coupled with the test set’s fast measurement
speed and automated software for Ericsson,
Lucent, and Nortel base stations, results in less
off-line time and improved system performance.
Errors due to test variability are reduced, and
measurement data can be output to a printer or to
the PC memory card. Additionally, new features
and capabilities can be added to the E6381A without returning the unit to a service center. The test
set’s firmware is user upgradeable via a PC card to
Flash Memory.
To complete the TDMA parametric test solution,
Agilent also offers a new TDMA technician training
program to provide install teams and service
providers with a comprehensive understanding of
base station test.
For more information about the E6381A, refer to
the 8935 series configuration guide on our Web
site at: www.agilent.com/find/assist
Agilent E6381A
8935 Series TDMA
Base Station Test Set
Specifications
2
Agilent 8935 Series
E6381A TDMA Base Station Test Set
Specifications
Specifications describe the instrument’s warranted performance and are
valid over the entire operating/environmental range unless otherwise
noted.
Supplemental Characteristics are intended to provide additional information useful in applying the instrument by giving typical, but non-warranted
performance parameters. These characteristics are shown in italics or
labeled as “typical,” “usable to,” or “nominal.”
TDMA Signal Generator Specifications
Frequency Range: 824 MHz to 894 MHz, and 1.850 GHz to
1.910 GHz (usable 800 MHz to 1000 MHz, 1.7 GHz to 2.0 GHz)
Output Level Range
RF IN/OUT: –127 dBm to –40 dBm
Level Accuracy: ±1.0 dB, (level >–127 dBm);
if RF analyzer is also connected add ±0.1 dB
Typically ±1.0 dB for levels below –127 dBm
DUPLEX OUT: –125 dBm to –10 dBm
Level Accuracy: ±1.5 dB
Typically ±1.0 dB
Residual Error Vector Magnitude: <3.5% 824 MHz to 894 MHz
and 1.850 GHz to 1.910 GHz, Typically <2.5%
Residual Phase Error: <3.5°
Residual Magnitude Error: <3.5%
IQ Origin Offset: <–30 dBc within ±15 °C of the temperature of
the last calibration
Frequency Error: ±4 Hz plus frequency reference
TDMA Analyzer Specifications
Frequency Range: 30 MHz to 1000 MHz, and 1.7 GHz to 2.0 GHz
Input Level Range
RF IN/OUT: 3.2 mW to 60 W (5 dBm to +47.8 dBm)
ANT IN: 0.5 µW to 31.6 mW (–33 dBm to +15 dBm)
Residual Error Vector Magnitude: <1.5%
Error Vector Magnitude Measurement Accuracy: 0.4% +2% of
reading for measured EVM values >3%
Residual Phase Error: <1.5°
Residual Magnitude Error: <1.4%
IQ Origin Offset Accuracy: ±0.5 dB for values greater
than –40 dBc
Frequency Error Accuracy: ±2 Hz plus frequency reference
Average Power Measurement
Input Frequency Range: 30 MHz to 1000 MHz, and 1.7 GHz
to 2.0 GHz
Input Connector: RF IN/OUT only
Measurement Bandwidth: Provides an accurate measure of
the total power for signals within ±100 kHz of the operating
frequency. If other signals are present outside this frequency
range, reduced measurement accuracy will result.
Maximum Input Level: 60 W average for TDMA signals
Measurement Range
4 mW to 60 W for f >100 MHz (+6 dBm to +48 dBm)
4 mW to 1 W for f <100 MHz (+6 dBm to +30 dBm)
Accuracy:
Channel Power Measurement (30 kHz)
Input Frequency Range: 30 MHz to 1000 MHz,
and 1.7 to 2.0 GHz
Measurement Bandwidth: Measures the total average power
in a 30 kHz bandwidth centered on the selected frequency
Measurement Range
RF IN/OUT: 7.9 nW to 60 W average (–51 to +47.8 dBm)
Antenna: Typically, 1.25 pW to 31.6 mW average
(–89 to +15 dBm)
Measurement Accuracy (Within five minutes of calibration
[user initiated] and within the 7.5% average power environmental
window)
RF IN/OUT: ±(0.75 dB ±1.9 nW)
Antenna: Typically, ±(0.75 dB ±0.5 pW)
CDPD Signal Generator
(CDPD module is optional)
Frequency Range: 824 MHz to 894 MHz
Frequency Accuracy: ±500 Hz, typically ±50 Hz
1.7 GHz ≤fc ≤2.0 GHz
± (12% ± 50 µW)
Typically ± 10%
± (7.5% ± 50 µW)
Typically ± 5%
fc ≤ 1000 MHz
± (10% ± 50 µW)
Typically ± 7%
0˚C 10˚C 20˚C 30˚C 40˚C 50˚C 60˚C
32˚F 50˚F 68˚F 86˚F 104˚F 122˚F 140˚F
Temperature
100%
80%
40%
20%
60%
Relative Humidity
3
Output
RF IN/OUT Connector
Level Range: –137 dBm to –40 dBm into 50 Ω
Level Accuracy: ±1.0 dB (level >–127 dBm); if CDPD
analyzer is also connected add ±0.1 dB.
Typically ±1.0 dB for levels below –127 dBm
Reverse Power: 100 W continuous, temperature <40 °C,
75 W continuous for temperatures <55 °C
DUPLEX OUT Connector
Level Range: –125 dBm to –10 dBm into 50 Ω
Level Accuracy: ±1.5 dB, typically ±1.0 dB for all levels.
If CDPD analyzer is also connected add ±0.1 dB.
Reverse Power: 200 mW max
Modulation Type: GMSK with BT=0.5
Modulation Accuracy: <5% error in modulation index
CDPD Analyzer
(CDPD Module is optional)
RF Frequency Range: 869 MHz to 894 MHz
Input Level Range
RF IN/OUT: 3.2 mW to 60 W (+5 dBm to 47.78 dBm)
ANT IN: 0.5 mW to 31.6 µW (–33 dBm to +15 dBm)
RF Power Measurement
Frequency Range: 30 MHz to 1 GHz, 1.7 to 2.0 GHz
Accuracy: Same as graph on page 4.
Measurement Range RF IN/OUT: To achieve the specified
accuracy when measuring power at the RF In/Out port, the
internal signal generator level must be 60 dB below the
measured power or less than –20 dBm at the Duplex port.
100 MHz < fc<2.0 GHz: 4 mW to 100 W continuous,
temperatures <40 °C, 75 W continuous, for temperatures
<55 °C
30 MHz < fc<100 MHz: 4 mW to 1 W continuous
Supplemental Characteristics
Resolution: Three digits (Example: resolution of 10 mW for
powers <10 W and >1 W)
Frequency Error Accuracy: ±1 Hz plus frequency reference
Modulation Index Accuracy: <0.1% error in modulation index
Adjacent Channel Power Measurement Floor: Typically
–45 dBc
Alternate and Second Alternate Channel Power Measurement
Noise Floor 4: Typically –60 dBc
Signal Generator Specifications
RF Frequency
Range: 400 kHz to 1000 MHz, and 1.7 GHz to 2.0 GHz
Accuracy and Stability: ±(0.065 Hz plus reference oscillator
accuracy)
Output
RF IN/OUT Connector
Level Range: –137 dBm to –40 dBm into 50 Ω
Level Accuracy: ±1.0 dB (level >–127 dBm);
if RF Analyzer is also connected add ±0.1 dB.
Typically ±1.0 dB for levels below –127 dBm
DUPLEX OUT Connector
Level Range: –125 dBm to +3 dBm into 50 Ω
Level Accuracy: ±1.5 dB, typically ±1.0 dB for all levels
Reverse Power: 200 mW max
SWR: <1.7:1
Supplemental Characteristics
Resolution: 0.1 dB
Spectral Purity
(For output levels of <–10 dBm at DUPLEX OUT or
<–40 dBm at RF IN/OUT)
Harmonics: <–25 dBc
Non-Harmonic Spurious (>5 kHz from carrier):
250 kHz ≤fc<249 MHz <–45 dBc
249 MHz ≤fc≤1000 MHz <–60 dBc
1700 MHz ≤fc≤2000 MHz <–55 dBc
Residual FM (rms, CCITT filter):
250 kHz ≤fc<249 MHz <7 Hz
249 MHz ≤fc<501 MHz <4 Hz
501 MHz ≤fc≤1000 MHz <7 Hz
1700 MHz ≤fc≤2000 MHz <14 Hz
Supplemental Characteristics
SSB Phase Noise (20 kHz offset):
fc<1 GHz <–116 dBc/Hz
1.7 GHz < fc<2.0 GHz <–90 dBc/Hz
FM
FM Deviation Maximum (for rates >25 Hz):
400 kHz <f
c
<249 MHz 100 kHz
249 MHz <f
c
<501 MHz 50 kHz
501 MHz <f
c
<1000 MHz 100 kHz
1.7 GHz <f
c
<2.0 GHz 100 kHz
[FM not specified for (fcminus FM dev) <400 kHz]
FM Rate (1 kHz reference):
Internal: dc to 25 kHz (1 dB BW )
External:
AC Coupled: 20 to 75 kHz (typically 3 dB BW)
DC Coupled: dc to 75 kHz (typically 3 dB BW)
4
FM Accuracy (1 kHz rate):
<10 kHz dev: ±3.5% of setting ±50 Hz,
>10 kHz dev: ±3.5% of setting ±500 Hz
FM Distortion (THD + noise, in a 0.3 to 3 kHz BW):
<0.5% at >3 kHz dev. and 1 kHz rate, fc<1000 MHz,
<1.0% at >3 kHz dev. and 1 kHz rate, 1.7 GHz < fc<2.0 GHz
Center Frequency Accuracy in DC FM Mode
(external source impedance <1k Ω):
±500 Hz (after DC FM zero), typically ±50 Hz
Supplemental Characteristics
External Modulation Input Impedance: 600 Ω nominal
Resolution:
50 Hz for <10 kHz deviation
500 Hz for >10 kHz deviation
AM
Supplemental Characteristics
AM Depth: 0 to 60%
External Modulation Input Impedance: 600 Ω nominal
RF Analyzer Measurements
SWR
RF IN/OUT Port: <1.5:1
ANT IN Port: <1.6:1, except <1.8:1 for 0 dB
attenuation in 1.7 GHz to 2.0 GHz band
RF Frequency Measurements
Measurement Range: 400 kHz to 1 GHz, 1.7 GHz to 2.0 GHz
Level Range
RF IN/OUT: 1 mW to 100 W continuous, temperatures <40 °C;
75 W continuous, temperatures <55 °C
ANT IN: –38 dBm to +15 dBm
Accuracy: ±1 Hz plus frequency reference
Supplemental Characteristics
Frequency Resolution: 1 Hz
The user must set the instrument within 15 kHz of the signal
under test.
1. To achieve the specified accuracy when measuring power at the RF IN/OUT port,
the internal signal generator level must be 60 dB below the measured power or
less than –20 dBm at the Duplex port.
RF Power Measurements
Frequency Range: 30 MHz to 1 GHz, 1.7 GHz to 2.0 GHz
Accuracy:
Measurement Range RF IN/OUT
1
100 MHz <fc<2.0 GHz:
4mW to 100 W continuous, temperatures <40 °C,
75 W continuous, for temperatures <55 °C
30 MHz <fc<100 MHz:
4 mW to 1 W continuous
Supplemental Characteristics
Resolution: 3 digits (Example: Resolution of 10 mW for powers
<10 W and >1 W)
FM Measurement
Frequency Range: 5 MHz to 1 GHz (Usable to 400 kHz), and
1.7 GHz to 2.0 GHz
Deviation: 20 Hz to 75 kHz
Sensitivity: 4 µV for 12 dB SINAD, (30 kHz IF BW, high sensitivity
mode, 0.3 to 3 kHz BW)
Typically: <2 µV (12 dB SINAD, fc>10 MHz)
Accuracy: ±4% of reading plus residual FM and noise contribution
(20 Hz to 25 kHz rates, deviation <25 kHz, 230 kHz IF BW)
Bandwidth (3 dB): 2 Hz to 70 kHz
THD + Noise: <1% rms (for deviation >5 kHz and at a rate of
1 kHz in a 0.3 to 3 kHz BW, 230 kHz IF BW)
Input Level Range for Specified Accuracy:
–6 dBm to +50 dBm at RF IN/OUT
–44 dBm to +12 dBm at ANT IN
Residual FM and Noise (0.3 to 3 kHz, rms):
<7 Hz, for fc<1000 MHz
<14 Hz, for 1.7 GHz <fc<2.0 GHz
Supplemental Characteristics
Resolution: 1 Hz, f <10 kHz ; 10 Hz, f >10 kHz
1.7 GHz ≤fc ≤2.0 GHz
± (12% ± 50 µW)
Typically ± 10%
± (8% ± 50 µW)
Typically ± 5%
fc ≤ 1000 MHz
± (10% ± 50 µW)
Typically ± 7%
0˚C 10˚C 20˚C 30˚C 40˚C 50˚C 60˚C
32˚F 50˚F 68˚F 86˚F 104˚F 122˚F 140˚F
Temperature
100%
80%
40%
20%
60%
Relative Humidity
5
AM Measurement
Frequency Range: 10 MHz to 1 GHz (usable to 400 kHz), 1.7 GHz
to 2.0 GHz
Depth: 0 to 95%
Input Level Range (levels in PEP):
–6 dBm to +52 dBm at RF IN/OUT
–44 dBm to +14 dBm at ANT IN
Supplemental Characteristics
Accuracy: ±5% of reading ±1.5% AM (50 Hz to 10 kHz rates,
modulation <80%)
THD + Noise: <2% rms for modulation <80% AM
(at 1 kHz rate in a 0.3 to 3 kHz bandwidth)
Residual AM: <0.2% in a 0.3 to 3 kHz bandwidth
Resolution: 0.1%
Spectrum Analyzer
Frequency Range: 400 kHz to 1 GHz, 1.4 GHz to
2.0 GHz
Frequency Span/Resolution Bandwidth (coupled)
Span Bandwidth
<50 kHz 300 Hz
<200 kHz 1 kHz
<1.5 MHz 3 kHz
<18 MHz 30 kHz
>18 MHz 300 kHz
Span Capability:
2
Full span capability 1 GHz
Display: Log with 1, 2, and 10 dB per division
Display Range: 80 dB or 8 divisions
Reference Level Range: +50 dBm to –50 dBm
Residual Responses: <–70 dBm (ANT IN port, no input
signal, 0 dB attenuation)
Image rejection: >50 dB
Supplemental Characteristics
Non-Harmonic Spurious Responses:
>65 dB down (for input signals ≥50 MHz, <–30 dBm),
>55 dB down (for input signals <50 MHz, <–30 dBm).
Log Scale Linearity: ±2 dB (for input levels
<–30 dBm within 6 divisions of reference level
Displayed Average Noise Level: <–114 dBm, for
<50 kHz span, –50 dBm reference level
Level Accuracy (at center frequency and within
one division of reference level): ±2.5 dB
2. Center frequency must be <1.0 GHz or between 1.7 GHz to 2.0 GHz. Portions of
the 1 GHz span which are outside of the analyzer’s frequency range are truncated.
Tracking Generator
Tracking Generator Frequency Range: 400 kHz to 1 GHz,
1.7 GHz to 2.0 GHz
Frequency Offset: Frequency span endpoints ± frequency offset
cannot be <400 kHz or >1 GHz in the 1 GHz band and cannot be
<1.7 GHz or >2.0 GHz in the 2 GHz band.
Output Level Range: Same as signal generator on page 3.
Sweep Modes: Normal and inverted
Oscilloscope Specifications
Frequency Range: 2 Hz to 50 kHz (3 dB BW)
Scale/Division: 10 mV to 10 V
Amplitude Accuracy: ±1.5 % of reading ±0.1 division (20 Hz to
10 kHz)
Time/Division: 10 µsec to 100 msec
Trigger Delay: 20 µsec to 3.2 seconds
Supplemental Characteristics
3 dB Bandwidth: Typically >100 kHz
Internal DC Offset: <0.1 div (>50 µV/div sensitivity)
AF Analyzer Specifications
Frequency Measurement
Measurement Range: 20 Hz to 400 kHz
Accuracy: ±0.02% plus 0.1 Hz plus timebase accuracy
External Input: 20 mV to 30 Vrms
Supplemental Characteristics
Resolution: 0.01 Hz, f <10 kHz; 0.1 Hz, f <100 kHz; and
1 Hz for f >100 kHz
AC Voltage Measurement
Measurement Range: 0 to 30 Vrms
Accuracy: ±3% of reading (20 Hz to 15 kHz, inputs >1 mV)
Residual Noise: 150 µV (15 kHz LPF) 450 µV (>99 kHz LPF)
Supplemental Characteristics
3 dB Bandwidth: Typically 2 Hz to 100 kHz
Nominal Input Impedance: Switchable between 1 MΩ in parallel
with 95 pF or 600 Ω floating
Minimum Resolution: 4 digits for inputs >100 mV; 3 digits for
inputs <100 mV
6
DC Voltage Measurement
Voltage Range: 100 mV to 42 V
Accuracy: ±1.0% of reading ±45 mV
DC Offset: ±25 mV
Supplemental Characteristics
Resolution: 1 mV
Distortion Measurement
Frequency Range: 300 Hz to 10 kHz ±5%
Input Level Range: 30 mV to 30 Vrms
Display Range: 0.1% to 100 %
Accuracy:
±1 dB (0.5 to 100% distortion) for tones from 300 Hz to 1500 Hz
measured with the 15 kHz LPF.
±1.5 dB (1.5 to 100% distortion) for tones from 300 Hz to
10 kHz measured with the >99 kHz LPF.
Residual THD + Noise: –60 dB or 150 µV, whichever is greater, for
tones from 300 Hz to 1500 Hz measured with the 15 kHz LPF.
Typically –52 dB or 450 µV, whichever is greater, for tones from
300 Hz to 10 kHz measured with >99 kHz LPF.
Supplemental Characteristics
Resolution: 0.1% distortion
SINAD Measurement
Frequency Range: 300 Hz to 10 kHz, ±5%
Input Level Range: 30 mV to 30 Vrms
Display Range: 0 to 60 dB
Accuracy: ±1 dB (0 to 46 dB SINAD) for tone from 300 Hz to
1500 Hz measured with the 15 kHz LPF.
±1.5 dB (0 to 36 dB SINAD) for tones from 300 Hz to 10 kHz measured with the >99 kHz LPF.
Residual THD + Noise: –60 dB or 150 µV, whichever is greater, for
tones from 300 Hz to 1500 Hz measured with the 15 kHz LPF.
Typically –52 dB or 450 µV, whichever is greater, for tones from
300 Hz to 10 kHz measured with >99 kHz LPF.
Supplemental Characteristics
Resolution: 0.01 dB
Audio Filters
Standard Fixed: <20 Hz HPF, 50 Hz HPF, 300 Hz HPF, 300 Hz LPF,
3 kHz LPF, 15 kHz LPF, >99 kHz LPF, 750 µsec de-emphasis, 6 kHz
BPF, and C-Message
Variable Frequency Notch Filter:
Frequency Range: 300 Hz to 10 kHz
Notch Depth: >60 dB
Notch Width: Typically ±5%
Audio Detectors
RMS, Pk+, Pk–, Pk+hold, Pk–hold, Pk±/2, Pk±/2 hold, Pk± max
and Pk± max hold
Audio Source Specifications
(Applicable to both internal sources)
Frequency
Range: dc to 25 kHz
Accuracy: 0.025% of setting
Supplemental Characteristics
Minimum Resolution: 0.1 Hz
Output Level
Range: 0.1 mV to 4 Vrms
Maximum Output Current: 20 mA peak
Output Impedance: <1.5 Ω (1 kHz)
Accuracy: ±2% of setting plus step size
Residual Distortion: 0.125% (THD plus noise, for amplitudes
>200 mVrms), for tones 20 Hz to 25 kHz measured in an
80 kHz BW
Supplemental Characteristics
Step Size:
Level <0.01V: ±50 µV pk
Level <0.1V: ±0.5 mV pk
Level <1V: ±5 mV pk
Level <10V: ±50 mV pk
Offset in DC Coupled Mode: <50 mV
General Specifications
Dimensions (H x W x D): 8.75 x 15.6 x 21.5 inches
(222 x 396 x 546 mm)
Weight: 50 lbs. (22.7 kgs)
Operating Temperature: 0 °C to +55 °C
Operating Humidity: <95% relative humidity, 0 °C to 40 °C
Storage Temperature: –40 °C to +70 °C
Power: 100 Vac to 240 Vac ±10%, 50 Hz to 60 Hz,
nominally 210 VA
Display Size: 9.7 cm x 13 cm, electroluminescent
display (EL)
Calibration Interval: Two years
Leakage: Conducted and radiated interference meets CISPR 11
Supplemental Characteristics
Minimum Frequency Resolution: 1 Hz
Switching Speed: <150 ms to be within 100 Hz of
the carrier frequency
7
Leakage: At RF generator output levels <–40 dBm, typical
radiated leakage is <10 µV induced in a resonant dipole antenna
25 mm (1 inch) away from any surface. Spurious leakage levels
are typically <10 µV in a resonant dipole antenna 25 mm (1 inch)
away from any surface.
Side Panel Connectors
10 MHz REF OUT
Output Frequency: 10 MHz
Output Level: >0.5 Vrms
Waveform: Sine wave
ANT IN (Used for analyzing low power RF signals):
Input Impedance: 50 Ω
AUDIO IN:
HI: Audio input connection
LO: Audio signal reference
Input Impedance: Switchable between 1 MΩ
and 600 Ω
AUDIO MONITOR OUT (External output from AF analyzer):
Output Impedance: <1 kΩ
AUDIO OUT (External output from AF generators):
Output Impedance: <1 Ω
Maximum Output Current: 20 mA peak
Maximum Reverse Voltage: 12 V peak
CDPD MOD OUT: (Optional) Provides signal used
in CDPD testing
DIGITAL MUX OUT: Used for service diagnostics
DUPLEX OUT (RF generator and tracking generator output):
Output Impedance: 50 Ω
EXT SCOPE TRIG IN: External trigger input for Oscilloscope
FRAME CLOCK OUT:
Output Frequency: 25 Hz square wave
Output Level: 0 to 5 V
GENERATOR DATA IN (Data input for internal IQ modulator):
Input Level Range: TTL
Data Rate: 48.6 kbits/sec
GPIB: One GPIB port is available.
MODULATION INPUT: External modulation connection for RF
Generator
PARALLEL PORT: Two parallel ports are available.
RF IN/OUT: Input for RF Analyzer and output for RF Generator
SERIAL PORT: Three serial ports are available.
SYNTHESIZER REFERENCE IN:
Input Frequencies: 1, 2, 3, 4.8, 5, 10, and 15 MHz
Input Level: >0.15 Vrms
TDMA ANALYZER INPUTS: Reserved for future enhancements
TDMA OUTPUTS: Provides signals used with automation software
TDMA REFERENCE IN: (External reference for TDMA analyzer)
Input Level Range: TTL
Input Frequencies: 25 Hz, 50 Hz, 24.3 kHz, 48.6 kHz, or 10 MHz
VIDEO OUT: Provides a signal for using an external multisync
monitor (15.7 kHz)
RF Tools Measurements
(All specifications are typical and assume the use of the E6554A
RF Tools Accessories Kit.)
Swept Insertion Loss Test
Frequency Range: 0.4 to 1000 MHz, 1.7 to 2.0 GHz
Swept Signal Level: –54 dBm to +10 dBm
Insertion Loss Accuracy: ±0.75 dB
Swept Gain Test
Frequency Range: 0.4 to 1000 MHz, 1.7 to 2.0 GHz
Swept Signal Level: –54 dBm to +10 dBm
Swept Return Loss Test:
Frequency Range: 0.4 to 1000 MHz, 1.7 to 2.0 GHz
Swept Signal Level: –54 dBm to +10 dBm
Swept Return Loss Accuracy: ±2 dB ±10% of reading, for
readings between 0 dB and 30 dB
Cable Fault Test
Cable Types Tested: Heliax, RG, Custom
Cable Length Range: 0 to 1000 feet, 0 to 300 meters
Distance Accuracy: ±5% of the cable length value entered by
the user
Remote Programming
Functions Implemented: SH1, AH1, T6, L4, SR1, RL1, LE0, TE0,
PP0, DC1, DT1, C4, C11, E2
RS-232: Three serial ports through DB-9 connectors used for
serial data in and out
Rates: 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
57600, and 115200 Baud
Standard User Memory, RAM
Approximately 928 Kbytes of RAM are available for nonvolatile
save/recall of settings. This will typically allow >500 sets of
instrument settings to be saved.
Reference Oscillator
Standard OCXO: (Oven-controlled crystal oscillator)
Temperature: 0.02 ppm (0 °C to +60 °C)
Aging: <0.1 ppm/year
Warm-Up Time: <15 minutes to be within ±0.05 ppm of final
frequency
Option AY5 Rubidium Timebase:
Temperature: 3 x 10
–11
(–5 °C to +50 °C)
Aging: 2 x 10
–9
per year
Warm-Up Time: <4 minutes to lock at 25 °C
Memory Card Specifications
Card Compatibility: Single industry standard PCMCIA slot accepts
Type I or Type II SRAM and ROM memory cards.
Storage Capability: Allows for the storage and retrieval of IBASIC
program parameters and results, input of new calibration data,
and long-term storage of Store/Recall information.
Firmware Upgrades: Accepts PCMCIA flash memory cards
(4 Mbytes) to allow automatic loading of new firmware from the
front panel. Upgrade time is about eight minutes.
Ordering Number
Agilent 8935 Series
TDMA Cellular/PCS Base Station Test Set . . . . . . . . . . . . . E6381A
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Product specifications and descriptions in this
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Copyright © 1998, 2000 Agilent Technologies
Printed in U.S.A. February 2, 2002
5968-3732E
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