Product category: Stand-Alone Instruments
News Release from: TTi (Thurlby Thandar Instruments) | Subject: TGR1040
Edited by the Electronicstalk Editorial Team on 5 October 2001
RF generator offers
wide amplitude range
The TGR1040, new from Thurlby Thandar Instruments, is a low-cost synthesised signal generator which incorporates essential features required for most RF development, test and service work
The TGR1040, new from TTi (Thurlby Thandar Instruments), is a low-cost synthesised signal generator which incorporates the essential features required for most RF development, test and service work: namely, frequency accuracy and stability, wide dynamic range, low phase noise and low leakage.
This article was originally published on Electronicstalk on 5 October 2001 at 8.00am (UK)
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The TGR1040 provides an amplitude range of -127 to +7dBm (0.1uV to 500mV into 50ohm).
Setting resolution is 0.1dBm or 0.01uV.
Output level steps can be set anywhere between 0.1 and 100dBm (or 0.01uV to 100mV depending on the entry mode).
Stepping the level is useful for quick assessment of circuit linearity and dynamic range, for instance.
The instrument uses a fully synthesised source locked to a temperature-compensated crystal oscillator.
This provides excellent signal frequency stability against temperature and aging.
The frequency can be set to a resolution of 1 kHz across the whole frequency range of 10 to 1000MHz, yielding a precision of 1ppm at 1GHz.
Stability is +/-2ppm over a temperature range of 5 to 40C.
The generator provides both internal or external FM modulation using either the internally generated 1kHz modulator signal or an external signal in the range 300Hz to 50kHz.
This wide bandwidth allows for audio-band demodulator testing as well as LF digital modulation.
The TGR1040 provides full remote-control facilities for all its functions.
An RS-232 interface is provided as standard, and a GPIB (IEEE-488.2) interface is available as an option.
In addition, it can store nine full instrument setups in nonvolatile memory.
This allows repetitive testing procedures to be undertaken quickly and accurately.
The generator is suitable for FM analogue or digital radio-receiver sensitivity measurements, system gain measurements, oscillator substitutions, EMC/antenna/field-strength measurements and as a signal source for many other RF circuit and system development tasks.
In addition, the generator's low cost, ease of use and remote control make it eminently suitable for most production and development applications where a basic, stable signal source is required.
The TGR1040 costs GBP 1195 (plus VAT) in the UK.
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