Class H03G : CONTROL OF AMPLIFICATION
Subclass 3/16: Gain control in amplifiers or frequency changers (gated amplifiers H03F 3/72; peculiar to television receivers H04N) Manually-operated control in frequency-selective amplifiers having discharge tubes
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10998866 | Preamplifier circuit configuration | Jul 05, 19 | May 04, 21 | Not available |
| 9899968 | Low noise amplifier circuit | Dec 21, 15 | Feb 20, 18 | SAMSUNG ELECTRO-MECHANICS CO., LTD. |
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