R&S®FK4120/FK4140 Digitally Tuned HF Selectors

Category - Radio equipment

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Our portfolio includes entire product line of items of the Rohde & Schwarz. Rohde & Schwarz produces dynamic and innovative products that always detect the resolution for the hard industrial concerns at any time. The Rohde & Schwarz achieves the high standards of equipment performance while creating the modern technologies that boost the operation cycle of the industries. The Rohde & Schwarz R&S®FK4120/FK4140 Digitally Tuned HF Selectors is one of the masterly designed items. Rohde & Schwarz R&S®FK4120/FK4140 Digitally Tuned HF Selectors attributes extreme exactness, which offer wide range of automatic and electric resolutions to fulfill all application needs. Because of the high quality of constituents, Rohde & Schwarz R&S®FK4120/FK4140 Digitally Tuned HF Selectors confirm long-standing service.
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Description

Key Facts

Five-circuit lowpass filter (0 Hz to 1.5 MHz) for receive frequencies below 1.5 MHz
Digitally tuned tracking bandpass filters (1.5 MHz to 30 MHz) with 20 dB or 40 dB edge steepness at 10 % frequency offset
Automatic tracking in both receive and transmit modes
Input voltage protection up to 200 V (Vrms)
Frequency hopping capability in line with R&S®SECOM-H

Brief Description The R&S®FK4120/FK4140 digitally tuned HF selectors are optional plug-in modules for the radios of the R&S®M3SR Series 4100. They increase the selectivity of the transmit and receive paths. Receiver parameters such as 2nd and 3rd order intercept, IF rejection, image-frequency rejection and crossmodulation immunity are significantly improved. In the transmit direction, the TX phase noise is suppressed to produce typical values as low as –165 dBc/Hz. These digitally tuned HF selectors are recommended if you need to receive low-amplitude signals in the simultaneous presence of strong HF carrier signals. This is the case when multiple HF radio lines operate simultaneously and independently of one another and reception should be possible even if adjacent lines are transmitting.''