H03F 2203/21127
The input bias current of a power amplifier being controlled
Official title: the input bias current of a power amplifier being controlled, e.g. by an active current source or a current mirror
H03F2203/21127 (The input bias current of a power amplifier being controlled) appears on 50 US grants and 57 published applications in this corpus.
Search patents in H03F- Granted patents
- 50
- Published applications
- 57
- Assignees
- 27
- Inventors
- 94
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 9 |
| 2016 | 5 | 6 |
| 2017 | 6 | 5 |
| 2018 | 7 | 3 |
| 2019 | 6 | 5 |
| 2020 | 3 | 3 |
| 2021 | 6 | 5 |
| 2022 | 3 | 1 |
| 2023 | 0 | 4 |
| 2024 | 2 | 5 |
| 2025 | 5 | 2 |
| 2026 | 0 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Power amplifier junction temperature clamp25 Nov 2025US 12,483,205 B2Skyworks Solutions, Inc.
- Doherty power amplifier4 Nov 2025US 12,463,595 B2Qorvo US, Inc.
- Class AB monticelli output stage design with bias temperature instability tolerance15 Jul 2025US 12,362,712 B2Texas Instruments Incorporated
- Amplifier peak detection25 Mar 2025US 12,261,577 B2QUALCOMM Incorporated
- High frequency power amplification device11 Feb 2025US 12,224,723 B2Nuvoton Technology Corporation Japan
- High-voltage power supply and voltage modulator9 Jul 2026US 2026/0196974 A1Applied Materials Israel Ltd.
- Power amplifier apparatus4 Jun 2026US 2026/0155791 A1NXP USA, Inc.
- Protection circuit21 May 2026US 2026/0142625 A1Murata Manufacturing Co., Ltd.
- Power amplifier junction temperature clamp30 Apr 2026US 2026/0121595 A1
- Bias circuit30 Apr 2026US 2026/0121599 A1NXP B. V.
Most cited
By later US patents
- Bias control for stacked transistor configuration37US 9,716,477 B2Peregrine Semiconductor Corporation · 2017
- Power amplification system with common base pre-amplifier17US 10,110,183 B2Skyworks Solutions, Inc. · 2018
- Bias control for stacked transistor configuration16US 10,243,519 B2pSemi Corporation · 2019
- Power amplifier bias circuit12US 9,935,593 B2Skyworks Solutions, Inc. · 2018
- Incremental gain amplifier11US 8,362,836 B2Analog Devices, Inc. · 2013