Phase clock generator
View Patent ↗Disclosed is a phase clock generator. The phase clock generator can include transistors and a buffer. The transistors are connected between a power line and a grounding line and are provided in a form of a 4×N matrix to receive a plurality of phase-delayed signals through their gate terminals. Four transistors can form a unit column between the power line and the grounding line. From ground line to power line, the first two transistors of the unit column provide a pair of NMOS transistors, and the second two transistors provide a pair of PMOS transistors. The buffer is connected to a line, which is provided between the pair of the NMOS transistors and the pair of the PMOS transistors forming the unit column, to transmit a clock signal.
1. A phase clock generator comprising:
Transistors arranged in a 4×N matrix, where N is a number of columns, wherein transistors of a first row and a second row of the 4×N matrix are arranged as PMOS transistor pairs, wherein transistors of a third row and a fourth row of the 4×N matrix are arranged as NMOS transistor pairs, wherein the transistors of the 4×N matrix receive a plurality of phase-delayed signals through respective gate terminals, wherein first row transistors connect to a power line and fourth mw transistors connect to a ground line; and
a buffer connected to a line that is connected to a drain node of second row transistors and third row transistors, wherein the buffer transmits a clock signal,
wherein the gate terminals of the transistors forming “first row×each column” receive different types of phase-delayed signals based on an equation P[2(n−1)], where n is a positive integer, wherein a first column receives the phase-delayed signal initially where n=2, and each consecutive column to an N th column receives the phase delayed signal beginning at n=3 and consecutively increasing to n=N before looping back to n=1.
2. The phase clock generator according to claim 1 , wherein the transistors receive the plurality of phase-delayed signals from a voltage controlled delay line (VCDL).
3. The phase clock generator according to claim 1 , wherein the “n” is repeatedly input to the equation in a form of a loop while maintaining an input value sequence.
4. The phase clock generator according to claim 1 , wherein each column comprises one PMOS transistor pair and one NMOS transistor pair, wherein the four transistors of each column are arranged such that a source of a first PMOS transistor is connected to a power line, a source of a second PMOS transistor is connected to a drain of the first PMOS transistor, a drain of a first NMOS transistor is connected to a drain of the second PMOS transistor, a drain of a second NMOS transistor is connected to a source of the first NMOS transistor and a source of the second NMOS transistor is connected to the ground line.
5. A phase clock generator comprising;
Transistors arranged in a 4×N matrix, where N is a number of columns, wherein transistors of a first row and a second row of the 4×N matrix are arranged as PMOS transistor pairs, wherein transistors of a third row and a fourth row of the 4×N matrix are arranged as NMOS transistor pairs, wherein the transistors of the 4×N matrix receive a plurality of phase-delayed signals through respective gate terminals, wherein first row transistors connect to a power line and fourth row transistors connect to a ground line; and
a buffer connected to a line that is connected to a drain node of second row transistors and third row transistors, wherein the buffer transmits a clock signal,
wherein the gate terminals of the transistors forming “second row×each column” receive different types of phase-delayed signals phase-inverted by 180 degrees based on an equation PB[2n−1], where n is a positive integer, wherein initially a first column receives the phase-delayed signal phase-inverted by the 180 degrees where n=1, and each consecutive column to the Nth column receives the phase-delayed signal phase-inverted by the 180 degrees beginning at n=2 and consecutively increasing to n=N.
6. The phase clock generator according to claim 5 , wherein the “n” is repeatedly input to the equation in a form of a loop while maintaining an input value sequence.
7. A phase clock generator comprising:
Transistors arranged in a 4×N matrix, where N is a number of columns, wherein transistors of a first row and a second row of the 4×N matrix are arranged as PMOS transistor pairs, wherein transistors of a third row and a fourth row of the 4×N matrix are arranged as NMOS transistor pairs, wherein the transistors of the 4×N matrix receive a plurality of phase-delayed signals through respective gate terminals, wherein first row transistors connect to a power line and fourth row transistors connect to a ground line; and
a buffer connected to a line that is connected to a drain node of second row transistors and third row transistors, wherein the buffer transmits a clock signal,
wherein the gate terminals of the transistors forming “third row×each column” receive different types of phase-delayed signals based on an equation P[2(n−1)], where n is a positive integer, wherein initially a first column receives the phase-delayed signal where n=1, and each consecutive column to the Nth column receives the phase-delayed signal beginning at n=2 and consecutively increasing to n=N.
8. The phase clock generator according to claim 7 , wherein the “n” is repeatedly input to the equation in a form of a loop while maintaining an input value sequence.
9. A phase clock generator comprising:
Transistors arranged in a 4×N matrix, where N is a number of columns, wherein transistors of a first row and a second row of the 4×N matrix are arranged as PMOS transistor pairs, wherein transistors of a third row and a fourth row of the 4×N matrix are arranged as NMOS transistor pairs, wherein the transistors of the 4×N matrix receive a plurality of phase-delayed signals through respective gate terminals, wherein first row transistors connect to a power line and fourth row transistors connect to a ground line; and
a buffer connected to a line that is connected to a drain ode of second row transistors and third row transistors, wherein the buffer transmits a clock signal,
wherein the gate terminals of the transistors forming “fourth row×each column” receive different types of phase-delayed signals phase-inverted by 180 degrees based on an equation PB[2n−1], where n is a positive integer, wherein initially a first column receives the phase-delayed signal phase-inverted by the 180 degrees where n=1, and each consecutive column to the Nth column receives the phase-delayed signal phase-inverted by the 180 degrees beginning at n=2 and consecutively increasing to n=N.
10. The phase clock generator according to claim 9 , wherein the “n” is repeatedly input to the equation in a form of a loop while maintaining an input value sequence.