Power splitter with programmable output phase shift
First Claim
Patent Images
1. An integrated circuit (IC) device configured for operation within a desired operating frequency range, the IC device comprising:
- an input port configured to receive an input radio frequency (RF) signal;
a first output port configured to output a first output RF signal based on the input RF signal; and
a second output port configured to output a second output RF signal based on the input RF signal,wherein during operation within the desired operating frequency range and with respect to an input power level of the input power signal;
the IC device is configured to operate in one of two modes of operation;
a first mode of operation and a second mode of operation,a power of the first output RF signal in the first mode of operation is equal to a power of the first output RF signal in the second mode of operation,a power of the second output RF signal in the first mode of operation is equal to a power of the second output RF signal in the second mode of operation,a sum of the power of the first output RF signal and the power of the second output RF signal is constant, anda relative phase of the first output RF signal to the second output RF signal in the first mode of operation, Δ
Phase_m1, is opposite of a relative phase of the first output RF signal to the second output RF signal in the second mode of operation, Δ
Phase_m2, such that Δ
Phase_m1=−
Δ
Phase_m2.
2 Assignments
0 Petitions
Accused Products
Abstract
Devices and methods for implementing an RF integrated circuit device operatively configured to provide the function of RF power splitter with programmable output phase shift are described. Configurable and adjustable phase shift units for use in such IC device are also described.
481 Citations
51 Claims
-
1. An integrated circuit (IC) device configured for operation within a desired operating frequency range, the IC device comprising:
-
an input port configured to receive an input radio frequency (RF) signal; a first output port configured to output a first output RF signal based on the input RF signal; and a second output port configured to output a second output RF signal based on the input RF signal, wherein during operation within the desired operating frequency range and with respect to an input power level of the input power signal; the IC device is configured to operate in one of two modes of operation;
a first mode of operation and a second mode of operation,a power of the first output RF signal in the first mode of operation is equal to a power of the first output RF signal in the second mode of operation, a power of the second output RF signal in the first mode of operation is equal to a power of the second output RF signal in the second mode of operation, a sum of the power of the first output RF signal and the power of the second output RF signal is constant, and a relative phase of the first output RF signal to the second output RF signal in the first mode of operation, Δ
Phase_m1, is opposite of a relative phase of the first output RF signal to the second output RF signal in the second mode of operation, Δ
Phase_m2, such that Δ
Phase_m1=−
Δ
Phase_m2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
-
-
47. An integrated circuit (IC) device configured for operation within a desired operating frequency range, the IC device comprising:
-
an input port configured to receive an input radio frequency (RF) signal; a first output port configured to output a first output RF signal based on the input RF signal; and a second output port configured to output a second output RF signal based on the input RF signal, wherein during operation within the desired operating frequency range and with respect to an input power level of the input RF signal; the IC device is configured to operate in one of two modes of operation;
a first mode of operation and a second mode of operation,a power of the first output RF signal in the first mode of operation is equal to a power of the first output RF signal in the second mode of operation, a power of the second output RF signal in the first mode of operation is equal to a power of the second output RF signal in the second mode of operation, a sum of the power of the first output RF signal and the power of the second output RF signal is constant, and an absolute value of a difference between a relative phase of the first output RF signal to the second output RF signal in the first mode of operation, Δ
Phase_m1, and a relative phase of the first output RF signal to the second output RF signal in the second mode of operation, Δ
Phase_m2, is a desired phase offset, K, such that |Δ
Phase_m1|−
|Δ
Phase_m2|=K. - View Dependent Claims (48, 49, 50, 51)
-
Specification