Test & Measurement

RF signal generator with built in complex modulation

5th February 2020
Alex Lynn

The TGR2051 and TGR2053 are the next generation of RF signal generator from Aim-TTi, they offer performance and improved functionality with touch screen operation. The high-performance RF generators provide high frequency accuracy and stability, high signal purity with excellent phase noise, output power levels of -127dBm to +13dBm, as well as flexible analogue and digital modulation capabilities.

The sweep function on the RF signal generator enables signals of varying frequency and/or amplitude to test a full range of input conditions, quickly and efficiently. Step sweeps are created according to a formula over a specified number of points, in the range two to 1,000. Formula specifics include: start and stop values and dwell time following SYNC at each point. Sweeps can be set to run in either direction, with linear or logarithmic spacing. 

Alternatively, list mode can be used to analyse the response at set frequencies and amplitude - dwelling on set values for specified amounts of time; useful for testing at known problematic frequencies within a setup. The list can be created within the instrument or downloaded via the remote interfaces. The sweep setups can either be run through as a single sweep or in a continuous loop and prompted by an internal, external or manual trigger. Complex sweep triggering is available to control complete sweeps and/or each point within a sweep.

The TGR-U01 option adds an extensive range of digital modulations: FSK, GFSK, MSK, GMSK, HMSK, 3FSK, 4FSK, PSK, ASK and OOK. Built in NRZ patterns include Square wave, seven, nine, 11 & 15-bit PRBS. Digital modulation capabilities also include advanced filtering: Gaussian, Raised Cosine, Root Raised Cosine and Half Sine as well as Grey Code and Binary Encoding. External digital modulation signals can be applied to the carrier waveform via the MOD in/out on the rear panel.

Advanced remote control accommodates sophisticated new automated systems and compatibility with Aim-TTI's previous RF instruments enables incorporation into existing systems. With a small footprint and lightweight design and the best price point / performance ratio in its class, the TGR2050 series maintains Aim-TTi’s reputation for high quality, reliable, great value products.

Prices start at £1750/ €2000 / $2395 for the TGR2051. Digital Modulation option U01 at £400 / €465/ $525.

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