The TE1000 vector impedance analyzer is a versatile, portable test instrument which enables the user to make highly accurate impedance measurements through VHF RF frequencies.
The TE1000 has full vector measurement capability, and accurately resolves the resistive, capacitive and inductive components of a load. The user can display the vector impedance plus a range of related parameters including SWR, reflection coefficient, return loss and R-L-C equivalent circuit.
The TE1000 impedance analyzer is ideally suited for precision bench testing and development, making it a superior alternative to portable SWR meters and antenna testers which can only provide a fraction of this information.
The TE1000 impedance analyzer operates from 0.5-150MHz. It also includes a general purpose RF test signal output across this frequency range. The lab precision unit is rugged, lightweight and can be powered by mains or by internal battery making it ideally suited for both benchtop and portable use. An internal data display provides stand alone visual output. The unit's RS232/USB interface and PC based software further increase the power of the instrument. These features provide swept frequency capability and facilities for complex data analysis, data logging and graphical display on a convenient laptop or other computer. The unit is supplied in a lightweight, rugged aluminum case.
The TE1000 offers similar functionality and comparable accuracy over its range as the HP/Agilent 4193A and other "high end" lab instruments, at a fraction of the cost.
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• Sophisticated built-in algorithms eliminate contamination of measurements due to stray reactances in the probe• Vector quantities can be displayed in polar or rectangular coordinates
• Swept frequency measurements and data logging via a simple serial or USB interface (software supplied)• Sophisticated, user friendly software to log and display data in a range of plots including Smith charts• Accuracy equal to or better than HP/Agilent 4193A for comparable function• Range of adaptors available allowing the probe to connect directly to N-type connectors or to surface mount components via tweezer adaptor• Calibration certificate• Easy on your budget
The broad capabilities of the TE-1000 enable this versatile RF test equipment to function as a vector impedance meter, capacitance meter, inductance bridge (replacing Delta OIB-3 and General Radio 1606 RF bridges), antenna analyzer, VSWR meter, and return loss bridge.
There are 2 basic modes of operation. In fixed frequency mode one frequency only is selected by the user. In scan mode the user can scan sequentially through a range of frequencies. The scan mode is particularly useful for locating resonances such as in a quarter wave line or a crystal.
The instrument can be controlled either via the keypads on the front panel or remotely from a PC using the RS232 serial line and control software. The PC software can be used to log data directly from the impedance analyzer and store this in a format which is compatible with MS Excel.
The TE1000 RF impedance analyzer is capable of extremely accurate measurements of a wide range of impedances. However, as with any high frequency measurement, a certain amount of care must be taken to ensure that the results are not "contaminated" by stray impedances. Always observe the following precautions when using the TE1000 (or any other impedance analyzer):
• Minimize any lead lengths between the probe and the impedance to be measured. Even a few millimetres of wire can be significant when measuring low impedances at high frequencies.• Connect the load as close as possible to the base of the probe tip. This is the point which the TE1000 imepdance meter uses as its reference.• Avoid having any excess lead length "hanging off" the probe tip: such lead length acts as a small antenna and appears as a capacitor in parallel with the impedance being measured. This can be significant when measuring high impedances at high frequencies.• Keep your fingers clear of the probe tip when making a measurement. Hold the probe body and earth ring only.
When measuring in or around high power RF sources, ensure that no stray RF enters the probe.
Connect the TE1000 impedance analyzer to the cable, and terminate the cable with a "perfect" reflector - an open circuit is usually the easiest. If the total electrical length of the cable is less than one half-wavelength then the angle of the reflection coefficient (in polar format) is twice the electrical length of the cable:
Electrical length in degrees = angle of reflection coefficient / 2
Furthermore, if the velocity factor, Fc, of the cable is known then the physical length of the cable can be calculated from:
Physical length = ( electrical length in degrees x Fc x 3 x 10 8 ) / (360 x frequency in Hz )
For example, if the reflection coefficient is 0.5<40° then the cable is electrically 20° long. If the velocity factor of the cable is 0.66 and the frequency is 10MHz, then the cable is physically 1.1 metres long.
Connect the TE1000 impedance analyzer to the cable, and terminate the cable with a "perfect" reflector - an open circuit is usually the easiest. Then the loss in the cable is equal to the return loss divided by two. In other words, the return loss is the total loss in the cable, to the end and back again.
The TE1000 package includes:
FREE Factory calibration certificate
FREE Rugged lockable aluminum transit case
FREE Universal AC-DC mains power pack
FREE PC Software Disk with Operation Manual
FREE USB to Serial Converter
FREE D9-D9 Serial Communications Cable
FREE D9-USB Converter
FREE N-type adaptor for probe
FREE Spring loaded ground pin adaptor
FREE 12 month warranty!
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Only $3750 US
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The TE1000 Impedance Meter is a product of TrewMac Systems.
For orders, quotes or tech assistance:Contact Byron Johnsonbyron.firstname.lastname@example.org or 252-757-0279
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3400 Tupper Drive, Greenville, NC 27834, USAlbagrp@lbagroup.comTel: (252) 757-0279
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