Back to results
US 5,396,442 AGranted
Multiplication circuit for multiplying analog inputs by digital inputs
AssigneeYozan Inc.
InventorsGuoliang Shou, Weikang Yang, Sunao Takatori, Makoto Yamamoto
Life of this patent
Estimating the term…
Abstract
A multiplication circuit for multiplying an analog input by a digital input. The digital input has a plurality of bits. The circuit has a circuit input terminal for receiving the analog input and a circuit output terminal for outputting the results of multiplication of the analog input by the digital input. The circuit also has a plurality of capacitances and a plurality of switching devices.
Claims3
A multiplication circuit comprising:
- a circuit input terminal for receiving an analog input;
- a circuit output terminal for outputting a result of multiplication of the analog input by a digital input, the digital input having a plurality of bits;
- a plurality of capacitors, each being commonly connected to the circuit output terminal;
- and
- a plurality of switching means, each being connected to one of the capacitors and each being commonly connected to the circuit input tereminal, for selectively outputting the analog input, each switching means having a control terminal for receiving one of the bits.
2 more elements
Dependencies are inferred from the claim text.