Brand
RIGOL
RIGOL builds bench test instruments across digital oscilloscopes, spectrum analyzers, RF signal generators and arbitrary waveform generators, at prices that put capable specifications within reach of smaller laboratories.
The line is widely used in education, R and D and service work. For oscilloscopes, check sample rate and memory depth rather than bandwidth alone, since those determine how long a capture you can hold at full resolution. For the RF instruments, confirm whether a tracking generator is included, as adding that capability later is generally not possible.
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RIGOL DSG815 RF signal generator covering 9 kHz to 1.5 GHz with 0.01 Hz resolution, AM/FM/PM and digital modulation support, sweep functions, a built-in function generator, and USB, LAN, and GPIB interfaces.