Radio communication apparatus and semiconductor device
First Claim
1. A radio communication apparatus having a high-frequency power amplifier module at a transmitter-side output stage, and an antenna connected to said high-frequency power amplifier module, said high-frequency power amplifier module comprising:
- an input terminal;
an output terminal;
a control terminal;
a first voltage terminal;
a second voltage terminal;
a power amplifier formed by connecting a plurality of transistors in parallel each of which has a first terminal, a second terminal and a control terminal for controlling a current flowing between said first and second terminals;
first capacitors and first resistors connected in series between said input terminal and said control terminals of said transistors so that said capacitors are connected on said input terminal side while said resistors are connected on said control terminals side; and
second resistors connected between said control terminal and the nodes of said first capacitors and said first resistors that are connected to said control terminals of said transistors, wherein said output terminal is connected to said first terminals of said transistors, said first voltage terminal to said first terminals of said transistors, and said second voltage terminal to said second terminals of said transistors.
3 Assignments
0 Petitions
Accused Products
Abstract
A radio communication apparatus including at the transmitter-side output stage a high-frequency power amplifier module that has incorporated therein a single-stage amplifier using one multi-finger type heterojunction bipolar transistor (HBT) or a multi-stage amplifier using a plurality of HBTs sequentially connected in cascade, and at the output end an antenna connected to the high-frequency power amplifier module, wherein first capacitors and first resistors are inserted in series between the input terminal of the high-frequency power amplifier module and the control fingers of the HBT, and second resistors are inserted between the control terminal of the high-frequency power amplifier module and the control fingers of the HBT and connected to the nodes of the first resistors and the first capacitors.
-
Citations
23 Claims
-
1. A radio communication apparatus having a high-frequency power amplifier module at a transmitter-side output stage, and an antenna connected to said high-frequency power amplifier module, said high-frequency power amplifier module comprising:
-
an input terminal;
an output terminal;
a control terminal;
a first voltage terminal;
a second voltage terminal;
a power amplifier formed by connecting a plurality of transistors in parallel each of which has a first terminal, a second terminal and a control terminal for controlling a current flowing between said first and second terminals;
first capacitors and first resistors connected in series between said input terminal and said control terminals of said transistors so that said capacitors are connected on said input terminal side while said resistors are connected on said control terminals side; and
second resistors connected between said control terminal and the nodes of said first capacitors and said first resistors that are connected to said control terminals of said transistors, wherein said output terminal is connected to said first terminals of said transistors, said first voltage terminal to said first terminals of said transistors, and said second voltage terminal to said second terminals of said transistors. - View Dependent Claims (4, 6, 7, 8, 9, 10)
said control terminals of said transistors of a first-stage one of said power amplifiers are connected to said input terminal, said first terminals of said transistors of a last-stage one of said power amplifiers are connected to said output terminal, said control terminals of said transistors of an intermediate-stage one of said power amplifiers are connected to said first terminals of said transistors of the previous-stage one of said power amplifiers, said first terminals being connected to said control terminals of said transistors of the following-stage one of said power amplifiers, at least one of said first-stage, intermediate-stage and last-stage power amplifiers has said first capacitors, said first resistors and said second resistors incorporated therein, and a predetermined control voltage is supplied to said control terminals of said power amplifiers. -
6. A radio communication apparatus according to claim 1, wherein inductors are respectively connected between said control terminal and said second resistors.
-
7. A radio communication apparatus according to claim 1, wherein inductors are respectively connected between said second voltage terminal and said second terminals.
-
8. A radio communication apparatus according to claim 1, wherein said transistors constituting said power amplifier are monolithically formed on a single semiconductor substrate.
-
9. A radio communication apparatus according to claim 8, wherein a sensor transistor constituting a current-mirror circuit is monolithically formed on said semiconductor substrate.
-
10. A radio communication apparatus according to claim 8, wherein a sensor diode constituting a current-mirror circuit is monolithically formed on said semiconductor substrate.
-
-
2. A radio communication apparatus having a high-frequency power amplifier module at a transmitter-side output stage, and an antenna connected to said high-frequency power amplifier module, said high-frequency power amplifier module comprising:
-
an input terminal;
an output terminal;
a control terminal;
a first voltage terminal;
a second voltage terminal;
a power amplifier formed by connecting a plurality of transistors in parallel each of which has a first terminal, a second terminal and a control terminal for controlling a current flowing between said first and second terminals;
first capacitors and first resistors connected in series between said input terminal and said control terminals of said transistors so that said capacitors are connected on said input terminal side while said resistors are connected on said control terminals side;
second capacitors connected in parallel with said first resistors; and
second resistors connected between said control terminal and the nodes of said first capacitors and said first resistors that are connected to said control terminals of said transistors, wherein said output terminal is connected to said first terminals of said transistors, said first voltage terminal to said first terminals of said transistors, and said second voltage terminal to said second terminals of said transistors. - View Dependent Claims (3, 5)
said control terminals of said transistors of a first-stage one of said power amplifiers are connected to said input terminal, said first terminals of said transistors of a last-stage one of said power amplifiers are connected to said output terminal, said control terminals of said transistors of an intermediate-stage one of said power amplifiers are connected to said first terminals of said transistors of the previous-stage one of said power amplifiers, said first terminals being connected to said control terminals of said transistors of the following-stage one of said power amplifiers, at least one of said first-stage, intermediate-stage and last-stage power amplifiers has said first capacitors, said first resistors and said second resistors and said second capacitors incorporated therein, and a predetermined control voltage is supplied to said control terminals of said power amplifiers.
-
-
11. A radio communication apparatus having a high-frequency power amplifier module at a transmitter-side output stage, and an antenna connected to said high-frequency power amplifier module, said high-frequency power amplifier module comprising:
-
an input terminal;
an output terminal;
a control terminal;
a first voltage terminal;
a second voltage terminal;
a power amplifier formed by connecting a plurality of transistors in parallel each of which has a first terminal, a second terminal and a control terminal for controlling a current flowing between said first and second terminals;
a single second capacitor and first resistors connected in series between said input terminal and said control terminals of said transistors so that said capacitor is connected on said input terminal side while said resistors are connected on said control terminals side; and
a single second resistor having one end connected in series with each of said first resistors and the other end connected to said control terminal, wherein said output terminal is connected to said first terminals of said transistors, said first voltage terminal to said first terminals of said transistors, and said second voltage terminal to said second terminals of said transistors. - View Dependent Claims (12, 13, 14)
-
-
15. A semiconductor device comprising:
-
an input terminal;
an output terminal;
a bias terminal;
a power amplifier formed by connecting a plurality of transistors each having a first terminal, a second terminal and a control terminal for controlling the current flowing between said first terminal and said second terminal;
first capacitors C2A˜
C2N connected between said input terminal and said control terminals of said transistors and connected to said input terminal, and first resistors R1A˜
R1N connected in series with said first capacitors C2A˜
C2N, and connected to said control terminals of said transistors; and
second resistors R2A˜
R2N connected between said bias terminal and said control terminals of said transistors, and connected to the nodes of said first resistors R1A˜
R1N and said first capacitors C2A˜
C2N, said output terminal being connected to said first terminals of said transistors.- View Dependent Claims (16, 19, 20, 21, 22, 23)
-
-
17. A semiconductor device comprising:
-
the terminal;
an output terminal;
a bias terminal;
a power amplifier formed by connecting a plurality of transistors each having a first terminal, a second terminal and a control terminal for controlling the current flowing between said first terminal and said second terminal;
a single first capacitor C2 connected between said input terminal and said control terminals of said transistors and connected to said input terminal, and first resistors R1A˜
R1N connected in series with said first capacitor C2, and connected to said control terminals of said transistors; and
a single second resistor R2 connected between said bias terminal and said control terminals of said transistors, and connected to the nodes of said first resistors R1A˜
R1N and said first capacitor C2, said output terminal being connected to said first terminals of said transistors.- View Dependent Claims (18)
-
Specification