When you purchase this item you get the activation key used to enable the described function in your device.
RIGOL PA-DSA875 is an option that enables a built-in preamplifier (100 kHz to 7.5 GHz) for the RIGOL DSA875 and DSA875-TG spectrum analysers.
A preamplifier reduces the displayed average noise level giving better visibility of signals close to the noise floor.
- RIGOL DSA875
- RIGOL DSA875-TG