Wireless communication device and power measurement device equipped with the same
First Claim
1. A semiconductor device comprising a semiconductor chip, wherein thesemiconductor chip includes:
- a switching-type DC-DC converter;
a pad for receiving a high frequency signal from an antenna;
a balun connected to the pad and configured with a coil to output a differential signal based on the high frequency signal;
an internal circuit driven by an output voltage of the DC-DC converter to process the differential signal output from the balun; and
a ground voltage line that couples the internal circuit to a ground voltage source,wherein the ground voltage line comprises;
a first partial ground voltage line; and
a second partial ground voltage line arranged to face the first partial ground voltage line with the balun interposed therebetween.
0 Assignments
0 Petitions
Accused Products
Abstract
A semiconductor device includes a semiconductor chip. The semiconductor chip includes: a switching-type DC-DC converter; a pad for receiving a high frequency signal from an antenna; a balun connected to the pad and configured with a coil to output a differential signal based on the high frequency signal; an internal circuit driven by an output voltage of the DC-DC converter to process the differential signal output from the balun; and a ground voltage line that couples the internal circuit to a ground voltage source. The ground voltage line includes a first partial ground voltage line, and a second partial ground voltage line arranged to face the first partial ground voltage line with the balun interposed therebetween.
10 Citations
12 Claims
-
1. A semiconductor device comprising a semiconductor chip, wherein the
semiconductor chip includes: -
a switching-type DC-DC converter; a pad for receiving a high frequency signal from an antenna; a balun connected to the pad and configured with a coil to output a differential signal based on the high frequency signal; an internal circuit driven by an output voltage of the DC-DC converter to process the differential signal output from the balun; and a ground voltage line that couples the internal circuit to a ground voltage source, wherein the ground voltage line comprises; a first partial ground voltage line; and a second partial ground voltage line arranged to face the first partial ground voltage line with the balun interposed therebetween. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A power measurement device comprising a semiconductor device comprising a semiconductor chip,
wherein the semiconductor chip includes: -
a switching-type DC-DC converter; a pad for receiving a high frequency signal from an antenna; a balun connected to the pad and configured with a coil to output a differential signal based on the high frequency signal; an internal circuit driven by an output voltage of the DC-DC converter to process the differential signal output from the balun; and a ground voltage line that couples the internal circuit to a ground voltage source, wherein the ground voltage line comprises; a first partial ground voltage line; and a second partial ground voltage line arranged to face the first partial ground voltage line with the balun interposed therebetween.
-
Specification