Multi-way doherty amplifier
First Claim
Patent Images
1. An electronic circuit with a multi-way Doherty amplifier, wherein the multi-way Doherty amplifier comprises:
- a two-way Doherty amplifier comprising a main stage and a first peak stage that are integrated in a semiconductor device;
at least one further peak stage implemented in a separate semiconductor device,a first half-wavelength line connecting an output of the Doherty amplifier to an output node, anda second half-wavelength line connecting an output of the at least one further peak stage to the output node.
13 Assignments
0 Petitions
Accused Products
Abstract
An electronic circuit has a multi-way Doherty amplifier. The multi-way Doherty amplifier comprises a two-way Doherty amplifier with a main stage and a first peak stage that are integrated in a semiconductor device; and at least one further peak stage implemented with a discrete power transistor.
19 Citations
12 Claims
-
1. An electronic circuit with a multi-way Doherty amplifier, wherein the multi-way Doherty amplifier comprises:
-
a two-way Doherty amplifier comprising a main stage and a first peak stage that are integrated in a semiconductor device; at least one further peak stage implemented in a separate semiconductor device, a first half-wavelength line connecting an output of the Doherty amplifier to an output node, and a second half-wavelength line connecting an output of the at least one further peak stage to the output node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. An electronic circuit with a multi-way Doherty amplifier, wherein the multi-way Doherty amplifier comprises:
-
a two-way Doherty amplifier comprising a main stage and a first peak stage that are integrated in a semiconductor device; and at least one further peak stage implemented in a separate semiconductor device, wherein the semiconductor device and the separate semiconductor device are arranged together on a metal flange of a push-pull package.
-
-
10. An electronic circuit with a multi-way Doherty amplifier, wherein the multi-way Doherty amplifier comprises:
-
a two-way Doherty amplifier comprising a main stage and a first peak stage that are integrated in a semiconductor device; and at least one further peak stage implemented in a separate semiconductor device; and an additional further peak stage implemented in a further separate semiconductor device, wherein the further peak stage and the additional further peak stage have different sizes.
-
-
11. A multi-way Doherty amplifier circuit comprising:
-
a push-pull package; an input node; an output node connected to a load circuit; a two-way Doherty amplifier including a main stage circuit and a first peak stage circuit integrated on a common semiconductor substrate connected to the push-pull package to transfer heat between the main stage circuit and the first peak stage circuit; a second peak stage circuit comprising a discrete power transistor on a separate semiconductor substrate connected to the push-pull package to transfer heat between the two-way Doherty amplifier and the second peak stage circuit; an input network connected between the input node and each of the two-way Doherty amplifier and the second peak stage, the input network being configured to provide an input received at the input node to the Doherty amplifier and the second peak stage respectively at a predefined phase shift; a first half-wavelength line connecting an output of the Doherty amplifier to the output node; a second half-wavelength line connecting an output of the second peak stage to the output node; and wherein the resistance of the Doherty amplifier, the resistance of the at least one further peak stage, and the impedance of the first and second half-wavelength lines are about equal to twice the resistance of the load circuit. - View Dependent Claims (12)
-
Specification