US 12,088,319 B2
Multipath D/A converter
Mikhail Volianskii, Mering (DE); and Marcus Bueche, Olching (DE)
Assigned to Rohde & Schwarz GmbH & Co. KG, Munich (DE)
Filed by Rohde & Schwarz GmbH & Co. KG, Munich (DE)
Filed on Jun. 29, 2022, as Appl. No. 17/853,399.
Prior Publication US 2024/0007123 A1, Jan. 4, 2024
Int. Cl. H03M 1/66 (2006.01)
CPC H03M 1/662 (2013.01) 11 Claims
OG exemplary drawing
 
1. Multipath D/A converter device, having:
input terminals for a least a first and a second digital signal path:
in at least one of said at least one first and second signal path, means for inverting every second sample of the digital signal, and
each signal path comprising a D/A converter, wherein the D/A converter of all signal paths are designed to operate at the same phase,
wherein in each signal path a downs-sampling unit is provided upstream the D/A converter,
the multipath converter device furthermore comprising an analog combining unit designed for combining the analog signals output by each of said D/A converter.