Agilent
85640A Portable Tracking Generator
300 kHz to 2.9 GHz
Data Sheet
Scalar and Spectrum Analysis
Combining the Agilent 85640A tracking generator with a portable spectrum
analyzer results in a system having both scalar-analysis and spectrum-analysis
capabilities. Use the scalar-analysis capability to perform measurements such
as gain, frequency response, compression flatness, and return loss on components
and sub-systems. Use the spectrum analysis capability to measure harmonic
and inter-modulation distortion, as well as spurious products.
An MIL-rugged, portable tracking generator
for your Agilent 8560A, 8561A/B or 8562A/B
portable spectrum analyzer
2
Versatility in the Field
The combination of the 85640A and a portable analyzer allows you to
make a wide variety of scalar measurements in the field. Check sub-system
performance and make antenna return-loss measurements to isolate potential
problems. Use your portable scalar system and the analyzer’s built-in FFT
capability to locate faults in cables and interconnections. Opens and shorts,
as well as damaged or poorly-connected cables, can be isolated and then
repaired.
Portable and Rugged
Lightweight, portable, and MIL-rugged, the 85640A is the perfect addition to
your 8560A, 8561A/B or 8562A/B portable spectrum analyzer. The 85640A
also shares the five-minute warm-up and tough environmental specifications
found in these analyzers. So, it’s an ideal solution for field-service, bench, and
manufacturing scalar measurements.
High Throughput and Wide Dynamic Range
A tracking generator combined with a spectrum analyzer allows measurements
to be made with fast, continuous sweeps. The 85640A features a dynamic
range higher than 115 dB and shares the synthesized frequency accuracy of
the spectrum analyzer. This lets you quickly and accurately make real-time
adjustments of devices and measure parameters such as filter rejection and
switch insolation. In addition, the 85640A includes a manually-controlled,
built-in output attenuator and vernier, so you can vary the output level for
measurements like gain compression.
3
Specifications
Specifications describe the instrument’s warranted performance. Typical
performance is non-warranted. Supplemental characteristics are denoted
by “nominal” or “approximately”; these constitute non-warranted functional
performance information derived during the design process and are not
tested on a continuing basis.
Unless noted, all specifications describe the instrument’s warranted
performance under the following conditions: 5-minute warm-up from ambient
conditions, tracking adjusted, 1-year calibration cycle, and environmental
requirements met.
Frequency/amplitude
Frequency range 300 kHz to 2.9 GHz
Tracking drift 300 Hz per hour (nominal)(after 30 min. warm-up)
Output power level
Max 0 dBm
Range –80 dBm to 0 dBm
Resolution 10 dB with atten, vernier continuously adjustable
Flatness ±2.0 dB (ref to 300 MHz with 10 dB atten.)
Vernier range > 10 dB
Output attenuator
Range 70 dB
Switching accuracy
(10 to 70 dB settings ref to 0 dB) ±0.8 dB/1
ødB
±1.5 dB max
Repeatability ±0.2 dB (nominal)
Spurious output (–10 dBm, 10 dB atten)
Harmonic spurs < –25 dBc
Non-harmonic spurs
300 kHz to 2.0 GHz < –27 dBc
2.0 to 2.9 GHz < –23 dBc
LO feedthrough (> 2.9 GHz) < –26 dBm
Output return loss
0 dB atten 10 dB
10 dB atten 17 dB (nominal)
Dynamic range (1 MHz to 2.9 GHz, 300 Hz RBW)
300 kHz to 1 MHz 95 dB
1 MHz to 2.7 GHz 115 dB
2.7 to 2.9 GHz 110 dB
Min RBW supported 300 Hz
100 Hz (8561A, 8562A/B)
Inputs and outputs
RF output Type N female, front panel
Impedance 50 ohm (nominal)
300 MHz input BNC female, front panel
LO input SMA female, front panel
Blanking input BNC female, real panel
Ext. ALC input BNC female, rear panel. Use with negative detector
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Product specifications and descriptions in this document
subject to change without notice.
© Agilent Technologies, Inc. 1989, 2004
Printed in USA, December 22, 2004
5952-4854
Phone or Fax
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(tel) 800 829 4444
(fax) 800 829 4433
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(tel) 877 894 4414
(fax) 800 746 4866
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General Specifications
Warm-up 5 minutes from ambient
Temperature
Operating –10° C to +50° C
Storage –62° C to +85° C
Humidity 95% at 40° C for 5 days
Altitude
Operating 15,000 ft
Storage 50,000 ft
Vibration
5 to 15 Hz 0.059 inch p-p excursion
15 to 25 Hz 0.039 inch p-p excursion
25 to 55 Hz 0.020 inch p-p excursion
Pulse shock (half sine) 30 g’s for 11 ms duration
Transit drop 8-inch drop on 6 faces and 8 corners
Electromagnetic Conducted and radiated interference is in compliance with CISPR
capability publication 11 (1985) and FTZ 526/527/79. Meets MIL-STD-461B,
Part 4, with exceptions
Power requirements 110, 120, 220 or 240 V (±10%), 47 to 66 Hz
Maximum power 130 VA, 35 W
dissipation
Weight 8.4 kg (18.5 lbs) nominal
Compatibility Works with 8560A, 8561A/B, and 8562A/B portable
spectrum analyzers
Parts List
85640A Tracking generator (Includes 3 double shielded BNC cables
and 1 SMA cable)
Option 908 Rackmount kit
Option 909 Rackmount kit with handles
8560A Spectrum analyzer
8561B Spectrum analyzer
8562A Spectrum analyzer
8562B Spectrum analyzer
85620A Mass memory module
85629B Test and adjustment module
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