Atec JD746A User Manual

JD746A

CellAdvisor™ RF Analyzer

COMMUNICATIONS TEST & MEASUREMENT SOLUTIONS

Spectrum Analyzer: 100 kHz to 4 GHz

Cable and Antenna Analyzer: 5 MHz to 4 GHz

Power Meter: 10 MHz to 4 GHz

Specication Conditions

e JD746A specications apply under these conditions:

• e instrument has been turned on for at least 15 minutes

• e instrument is operating within a valid calibration period

• Data with no tolerance are considered typical values

• Cable and antenna measurements apply aer calibration to the OSL standard

• Typical and nominal values are dened as:

– Typical: expected performance of the instrument operating under 20 to 30°C

aer being at this temperature for 15 minutes

– Nominal: a general, descriptive term or parameter

Spectrum Analyzer (Standard)

Frequency

Frequency range 100 kHz to 4 GHz

Internal 10 MHz Frequency Reference

Accuracy ±0.05 ppm + aging (0 to 50°C)
Aging ±0.5 ppm/year

Frequency Span

Range 0 Hz (zero span)

10 Hz to 4 GHz

Resolution 1 Hz

Resolution Bandwidth (RBW)

–3 dB bandwidth 1 Hz to 3 MHz 1-3-10 sequence
Accuracy ±10% (nominal)

Video Bandwidth (VBW)

–3 dB bandwidth 1 Hz to 3 MHz 1-3-10 sequence
Accuracy ±10% (nominal)

Single Sideband (SSB) Phase Noise

Fc 1 GHz, RBW 10 kHz, VBW 1 kHz, RMS detector
Carrier oset:

30 kHz
100 kHz
1 MHz

Measurement Range

DANL to +20 dBm
Input attenuator range 0 to 50 dB, 5 dB steps

Maximum Input Level

Average continuous power +20 dBm
DC voltage ±50 VDC

Displayed Average Noise Level (DANL)

1 Hz RBW, 1 Hz VBW, 50 Ω termination, 0 dB attenuation, RMS detector
Preamplier O:

10 MHz to 2.3 GHz
>2.3 GHz to 3 GHz
>3 GHz to 4 GHz

Preamplier On:
10 MHz to 2.3 GHz
>2.3 GHz to 3 GHz
>3 GHz to 4 GHz

<–90 dBc/Hz (typical)
<–95 dBc/Hz (typical)
<–102 dBc/Hz (typical)

–140 dBm (–146 dBm, typical)
–138 dBm (–144 dBm, typical)
–135 dBm (–140 dBm, typical)

–155 dBm (–160 dBm, typical)
–153 dBm (–158 dBm, typical)
–150 dBm (–156 dBm, typical)

WEBSITE: www.jdsu.com/test

2

JD746A CELLADVISOR RF ANALYZER

Display Range

Log scale and units
(10 divisions displayed)

Linear scale and units
(10 divisions displayed)

Detectors Normal, positive peak, sample, negative peak,

Number of traces 6
Trace functions Clear/write, maximum hold,

1 to 20 dB/division in 1 dB steps
dBm, dBV, dBmV, dBµV

V, mV, mW, W

RMS

minimum hold, capture, load
view on/o

Total Absolute Amplitude Accuracy

Preamplier o, power level >–50 dBm, auto-coupled (20 to 30°C)
5 MHz to 4 GHz ±1.25 dB, ±0.5 dB (typical)

±1.55 dB, ±1.0 dB (typical)

Attenuation <40 dB
Attenuation ≥40 dB

Reference Level

Setting range –120 to +100 dBm
Setting resolution

Log scale
Linear scale

0.1 dB
1% of reference level

Markers

Marker types Normal, delta, delta pair, noise, frequency count

marker

Number of markers 6

Marker functions Peak, next peak, peak left,

peak right, minimum search
marker to center/start/stop

RF Input VSWR

20 MHz to 4 GHz 1.5:1 (typical)

Second Harmonic Distortion

Mixer level = –25 dBm
10 MHz to 1.3 GHz <–65 dBc (typical)
>1.3 GHz to 4 GHz <–70 dBc (typical)

Dynamic Range

2/3 (TOI-DANL) in 1 Hz RBW >95 dB

Sweep Time

Range 80 ms to 1000 s

24 µs to 200 s

Sweep mode Continuous, single

Span = 0 Hz (zero span)

Gated Sweep

Trigger source External, video, and GPS
Gate length 1 µs to 100 ms
Gate delay 0 to 100 ms

Trigger

Trigger source Free run, video, external
Trigger delay

Range
Resolution

0 to 200 s
6 µs

Measurements*

Channel power
Occupied bandwidth
Spectrum emission mask
Adjacent channel power
Spurious emissions
Field strength
AM/FM audio demodulation
Route map
PIM detect
Dual spectrum

* CW signal generator (Option 003) can be set up simultaneously.

Cable and Antenna Analyzer (Standard)

Frequency

Range 5 MHz to 4 GHz
Resolution 10 kHz
Accuracy ±25 ppm

Third-order Inter-modulation (Third-order Intercept: TOI)

200 MHz to 2 GHz +10 dBm (typical)
>2 GHz to 4 GHz +12 dBm (typical)

Spurious

Inherent residual response
Input terminated, 0 dB attenuation, preamplier o, RBW at 10 kHz

20 MHz to 3 GHz –90 dBm (nominal)
>3 GHz to 4 GHz –85 dBm (nominal)
Exceptions <–80 dBm @ 311.94 MHz

<–84 dBm @ 415.92 MHz
<–85 dBm @ 519.90, 1599.00, and 2497.80 MHz

Input related spurious <–70 dBc (nominal)

Data Points

126, 251, 501, 1001
Measurement speed 1.65 ms/point (nominal)

Measurement Accuracy

Corrected directivity 40 dB (typical)
Reection uncertainty ±(0.3 + |20log (1+10

EP = directivity – measured return loss

Output Power

High 0 dBm (typical)
Low –30 dBm (typical)

-EP/20

)|) (typical)

3

JD746A CELLADVISOR RF ANALYZER

Dynamic Range

Reection 60 dB

Maximum Input Level

Average continuous power +25 dBm (nominal)
DC voltage ±50 VDC

Interference immunity

On channel

On frequency

+17 dBm @>1.4 MHz from carrier frequency
(nominal)
0 dBm within ±10 kHz from the carrier fre­quency (nominal)

Measurements

Reection (VSWR)
VSWR range
Return loss range
Resolution

Distance to Fault (DTF)
Vertical VSWR range
Vertical return loss range
Vertical resolution
Horizontal range

Horizontal resolution

Cable Loss (1-port)
Range
Resolution

1-port Phase
Range
Resolution

Smith Chart
Resolution

1 to 65
0 to 60 dB

0.01

1 to 65
1 to 60 dB

0.01
0 to (# of data points – 1) x Horizontal Resolution
Maximum = 1500 m (4921 ft)
(1.5x108) x (VP) / (delta) x (0.95)

VP = propagation velocity

Delta = stop freq. – start freq. (Hz)

0 to 30 dB

0.01 dB

–180° to +180°

0.01°

0.01

RF Power Meter (Standard)

External RF Power Sensors

Directional Power Sensor JD731B

Frequency range 300 MHz to 3.8 GHz
Dynamic range 0.15 to 150 W (average)

4 to 400 W (peak)
Connector type Type-N female on both ends
Measurement type Forward/reverse average power, forward peak

power, VSWR
Accuracy ±(4% of reading + 0.05 W)

Directional Power Sensor

Frequency range

JD733A

150 MHz to 3.5 GHz

1,2

Dynamic range 0.1 to 50 W (average)

0.1 to 50 W (peak)
Connector type Type-N female on both ends
Measurement type Forward/reverse average power, forward peak

power, VSWR

Accuracy ±(4% of reading + 0.05 W)

1,2

Terminating Power Sensor JD732B

Frequency range 20 MHz to 3.8 GHz
Dynamic range –30 to +20 dBm
Connector type Type-N male
Measurement type Average
Accuracy ±7%

1

Terminating Power Sensor JD734B

Frequency range 20 MHz to 3.8 GHz

Dynamic range –30 to +20 dBm

Connector type Type-N male

Measurement type Peak

Accuracy ±7%

1

Terminating Power Sensor JD736B

Frequency range 20 MHz to 3.8 GHz

Dynamic range –30 to +20 dBm

Connector type Type-N male

Measurement type Average and Peak

Accuracy ±7%

1

General Parameters

Display range –100 to +100 dBm
Oset range 0 to 60 dB
Resolution 0.01 dB or 0.1xW (x = m, u, p)

Internal RF Power Sensor

Frequency range 10 MHz to 4 GHz
Span 100 kHz to 100 MHz
Dynamic range –120 to +20 dBm
Maximum power +20 dBm
Accuracy Same as spectrum analyzer

1. CW condition at 25°C ±10°C

2. Forward power

Optical Power Meter (Option 13)

Optical Power Meter

Display range –100 to +100 dBm
Oset range 0 to 60 dB
Resolution 0.01 dB or 0.1 mW