Distributor and synthesizer
A distributor and a synthesizer with low loss are disclosed. In one example, a distributor/synthesizer has a distribution line that distributes a path from an input branch unit connected to an external transmission line on an input side into n-distributed paths. An output branch unit divides the n-distributed paths into an internal side and an external transmission line on an output side. On the internal side, a phase adjustment unit is arranged between the output branch unit and a coupling terminal, and adjusts the phase. A phase rotation amount from the input branch unit to the output branch unit of each of the n-distributed paths is π/2 [rad], and a phase rotation amount from the output branch unit to the coupling terminal is π [rad] or a real number multiple of π [rad]. The present disclosure can, for example, be applied to an FEM of a signal processing device.
1. A distributor formed on a substrate, the distributor comprising:
an input branch connected to an external transmission line on an input side;
a distribution line that distributes a path from the input branch unit into n;
an output branch that is connected to an output side of the distribution line and divides n-distributed paths into an internal side and the external transmission line on the output side;
a coupling terminal that couples the n-distributed paths on the internal side; and
a phase adjustment line that is arranged between the output branch and the coupling terminal so as to be connected in series with a resistor, and adjusts a phase,
wherein a phase rotation amount from the input branch to the output branch of each of the n-distributed paths is π/2 [rad],
a phase rotation amount from the output branch to the coupling terminal is π [rad] or a real number multiple of π [rad] including magnitude of the resistor,
at least one of the distribution line or the phase adjustment line includes one or more structures that connect different planes, and
the input branch and the coupling terminal are located on different planes.
2. The distributor according to claim 1 ,
wherein the phase adjustment line is arranged between the output branch and the resistor.
3. The distributor according to claim 1 ,
wherein the phase adjustment line is arranged between the resistor and the coupling terminal.
4. The distributor according to claim 1 ,
wherein the phase adjustment line has a length from the input branch to the output branch of λ/2 or an integral multiple of λ/2.
5. The distributor according to claim 1 ,
wherein the input branch and the coupling terminal are on a same vertical line, and
the distribution line, the phase adjustment line, and the resistor are arranged n times symmetrically about the vertical line.
6. A distributor formed on a substrate, the distributor comprising:
an input branch connected to an external transmission line on an input side;
a distribution line that distributes a path from the input branch into n;
an output branch that is connected to an output side of the distribution line and divides n-distributed paths into an internal side and the external transmission line on the output side;
a coupling terminal that couples the n-distributed paths on the internal side; and
a phase adjustment line that is arranged between the output branch and the coupling terminal so as to be connected in series with a resistor, and adjusts a phase,
wherein a phase rotation amount from the input branch to the output branch of each of the n-distributed paths is π/2 [rad],
a phase rotation amount from the output branch to the coupling terminal is π [rad] or a real number multiple of π [rad] including magnitude of the resistor,
the phase adjustment line includes a first phase adjustment portion connected to the output branch, and a second phase adjustment portion connected to the coupling terminal, and
the resistor is arranged between the first phase adjustment portion and the second phase adjustment portion.
7. A distributor formed on a substrate, the distributor comprising:
an input branch connected to an external transmission line on an input side;
a distribution line that distributes a path from the input branch into n;
an output branch that is connected to an output side of the distribution line and divides n-distributed paths into an internal side and the external transmission line on the output side;
a coupling terminal that couples the n-distributed paths on the internal side; and
a phase adjustment line that is arranged between the output branch and the coupling terminal so as to be connected in series with a resistor, and adjusts a phase,
wherein a phase rotation amount from the input branch to the output branch of each of the n-distributed paths is π/2 [rad],
a phase rotation amount from the output branch to the coupling terminal is π [rad] or a real number multiple of π [rad] including magnitude of the resistor,
and wherein, when input impedance is Z in , output impedance is Z out , and distribution number is n,
characteristic impedance Z 1 of the distribution line is designed as √(n Z in Z out ), and
a resistance value R of the resistor is designed as Z out .
8. The distributor according to claim 7 ,
wherein characteristic impedance Z 2 of the phase adjustment line is configured to be in a range of Z out /2≤Z 2 ≤2*Z out .
9. A synthesizer formed on a substrate, the synthesizer comprising:
an input branch that is connected to an external transmission line on an input side, and divides each of n paths into an internal side and a synthesis line;
an output synthesis unit that synthesizes synthesis lines divided for each of the n paths, and is connected to an external transmission line on an output side;
a coupling terminal that couples the n paths on the internal side; and
a phase adjustment line that is arranged between the input branch and the coupling terminal so as to be connected in series with a resistor, and adjusts a phase,
wherein a phase rotation amount from the input branch to the output synthesis unit of each of the n paths is π/2 [rad],
a phase rotation amount from the input branch to the coupling terminal is π [rad] or a real number multiple of π [rad],
at least one of the synthesis line or the phase adjustment line includes one or more structures that connect different planes, and
the output synthesis unit and the coupling terminal are located on different planes.
10. The synthesizer according to claim 9 ,
wherein the phase adjustment line is arranged between the input branch and the resistor.
11. The synthesizer according to claim 9 ,
wherein the phase adjustment line is arranged between the resistor and the coupling terminal.
12. The synthesizer according to claim 9 ,
wherein the phase adjustment has a length from the input branch to the output synthesis unit of λ/2 or an integral multiple of λ/2.
13. The synthesizer according to claim 9 ,
wherein the output synthesis unit and the coupling terminal are on a same vertical line, and
the synthesis line, the phase adjustment line, and the resistor are arranged n times symmetrically about the vertical line.
14. A synthesizer formed on a substrate, the synthesizer comprising:
an input branch that is connected to an external transmission line on an input side, and divides each of n paths into an internal side and a synthesis line;
an output synthesis unit that synthesizes synthesis lines divided for each of the n paths, and is connected to an external transmission line on an output side;
a coupling terminal that couples the n paths on the internal side; and
a phase adjustment line that is arranged between the input branch and the coupling terminal so as to be connected in series with a resistor, and adjusts a phase,
wherein a phase rotation amount from the input branch to the output synthesis unit of each of the n paths is π/2 [rad],
a phase rotation amount from the input branch to the coupling terminal is π [rad] or a real number multiple of π [rad],
wherein the phase adjustment line includes a first phase adjustment portion connected to the input branch, and a second phase adjustment portion connected to the coupling terminal, and
the resistor is arranged between the first phase adjustment portion and the second phase adjustment portion.
15. A synthesizer formed on a substrate, the synthesizer comprising:
an input branch that is connected to an external transmission line on an input side, and divides each of n paths into an internal side and a synthesis line;
an output synthesis unit that synthesizes synthesis lines divided for each of the n paths, and is connected to an external transmission line on an output side;
a coupling terminal that couples the n paths on the internal side; and
a phase adjustment line that is arranged between the input branch and the coupling terminal so as to be connected in series with a resistor, and adjusts a phase,
wherein a phase rotation amount from the input branch to the output synthesis unit of each of the n paths is π/2 [rad], and
a phase rotation amount from the input branch to the coupling terminal is π [rad] or a real number multiple of π [rad],
and wherein, when input impedance is Z in , output impedance is Z out , and distribution number is n,
characteristic impedance Z 1 of the synthesis line is designed as √(n Z in Z out ), and
a resistance value R of the resistor is designed as Z out .
16. The synthesizer according to claim 15 ,
wherein characteristic impedance Z 2 of the phase adjustment line is configured to be in a range of Z out /2≤Z 2 ≤2*Z out .