H03F 2203/5024
The source follower has a controlled source circuit, the source circuit being
Official title: the source follower has a controlled source circuit, the source circuit being controlled via a capacitor, i.e. AC-controlled
H03F2203/5024 (The source follower has a controlled source circuit, the source circuit being) appears on 10 US grants and 9 published applications in this corpus.
Search patents in H03F- Granted patents
- 10
- Published applications
- 9
- Assignees
- 12
- Inventors
- 25
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microphone amplifying circuit design method and microphone amplifying circuit6 May 2025US 12,294,840 B2Aac Acoustic Technologies (Shenzhen) Co., Ltd.
- Switched capacitor gain stage19 Dec 2017US 9,847,760 B1Texas Instruments Incorporated
- Apparatus for performing capacitor amplification in an electronic device24 Oct 2017US 9,800,219 B2Mediatek Inc.
- Tunable RF filter26 Jan 2016US 9,246,453 B2NXP B. V.
- Amplifier circuit and receiving device2 Aug 2011US 7,991,370 B2Sony Corporation
- Source follower circuit with feedback loop and self-biased diode-connected metal-oxide-semiconductor load5 Mar 2026US 2026/0066896 A1Airoha Technology Corp.
- Amplifier circuit for microphone, microphone circuit and electronic device10 Jul 2025US 2025/0226800 A1AAC Technologies PTE.Ltd.
- Single-ended amplifier with bias stabilization6 Feb 2025US 2025/0047252 A1MACOM Technology Solutions Holdings, Inc.
- A microphone amplifing circuit design method and microphone amplifing circuit16 Jan 2025US 2025/0024199 A1Aac Acoustic Technologies (Shenzhen) Co., Ltd.
- Switched capacitor gain stage14 Dec 2017US 2017/0359035 A1Texas Instruments Incorporated
Most cited
By later US patents
- FET buffer amplifier11US 5,155,449 AKikusui Electronics Corporation · 1992
- Amplifier system having a constant current regulating unit10US 5,874,858 AMitsumi Electric Co., Ltd. · 1999
- Amplifier circuit and receiving device3US 7,991,370 B2Sony Corporation · 2011
- Distortion compensation for a capacitively loaded follower2US 5,869,993 AU. S. Philips Corporation · 1999