H03G 1/00
|
CONTROL OF AMPLIFICATION - Details of arrangements for controlling amplification |
H03G 1/02
|
Remote control of amplification, tone, or bandwidth |
H03G 1/04
|
Modifications of control circuit to reduce distortion caused by control |
H03G 3/00
|
Gain control in amplifiers or frequency changers |
H03G 3/02
|
Manually-operated control |
H03G 3/04
|
Manually-operated control in untuned amplifiers |
H03G 3/06
|
Manually-operated control in untuned amplifiers having discharge tubes |
H03G 3/08
|
Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback |
H03G 3/10
|
Manually-operated control in untuned amplifiers having semiconductor devices |
H03G 3/12
|
Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback |
H03G 3/14
|
Manually-operated control in frequency-selective amplifiers |
H03G 3/16
|
Manually-operated control in frequency-selective amplifiers having discharge tubes |
H03G 3/18
|
Manually-operated control in frequency-selective amplifiers having semiconductor devices |
H03G 3/20
|
Automatic control |
H03G 3/22
|
Automatic control in amplifiers having discharge tubes |
H03G 3/24
|
Control dependent upon ambient noise level or sound level |
H03G 3/26
|
Muting amplifier when no signal is present |
H03G 3/28
|
Muting amplifier when no signal is present in frequency-modulation receivers |
H03G 3/30
|
Automatic control in amplifiers having semiconductor devices |
H03G 3/32
|
Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level |
H03G 3/34
|
Muting amplifier when no signal is present |
H03G 5/00
|
Tone control or bandwidth control in amplifiers |
H03G 5/02
|
Manually-operated control |
H03G 5/04
|
Manually-operated control in untuned amplifiers |
H03G 5/06
|
Manually-operated control in untuned amplifiers having discharge tubes |
H03G 5/08
|
Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback |
H03G 5/10
|
Manually-operated control in untuned amplifiers having semiconductor devices |
H03G 5/12
|
Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback |
H03G 5/14
|
Manually-operated control in frequency-selective amplifiers |
H03G 5/16
|
Automatic control |
H03G 5/18
|
Automatic control in untuned amplifiers |
H03G 5/20
|
Automatic control in untuned amplifiers having discharge tubes |
H03G 5/22
|
Automatic control in untuned amplifiers having semiconductor devices |
H03G 5/24
|
Automatic control in frequency-selective amplifiers |
H03G 5/26
|
Automatic control in frequency-selective amplifiers having discharge tubes |
H03G 5/28
|
Automatic control in frequency-selective amplifiers having semiconductor devices |
H03G 7/00
|
Volume compression or expansion in amplifiers |
H03G 7/02
|
Volume compression or expansion in amplifiers having discharge tubes |
H03G 7/04
|
Volume compression or expansion in amplifiers having discharge tubes incorporating negative feedback |
H03G 7/06
|
Volume compression or expansion in amplifiers having semiconductor devices |
H03G 7/08
|
Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback |
H03G 9/00
|
Combinations of two or more types of control, e.g. gain control and tone control |
H03G 9/02
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers |
H03G 9/04
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes |
H03G 9/06
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control |
H03G 9/08
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control incorporating negative feedback |
H03G 9/10
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression |
H03G 9/12
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices |
H03G 9/14
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control |
H03G 9/16
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control incorporating negative feedback |
H03G 9/18
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression |
H03G 9/20
|
Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers |
H03G 9/22
|
Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having discharge tubes |
H03G 9/24
|
Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having semiconductor devices |
H03G 9/26
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifying stages as well as in frequency-selective amplifying stages |
H03G 9/28
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifying stages as well as in frequency-selective amplifying stages all amplifying stages having discharge tubes |
H03G 9/30
|
Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifying stages as well as in frequency-selective amplifying stages all amplifying stages having semiconductor devices |
H03G 11/00
|
Limiting amplitude; Limiting rate of change of amplitude |
H03G 11/02
|
Limiting amplitude; Limiting rate of change of amplitude by means of diodes |
H03G 11/04
|
Limiting level dependent on strength of signal; Limiting level dependent on strength of carrier on which signal is modulated |
H03G 11/06
|
Limiting amplitude; Limiting rate of change of amplitude such limiters combined with discriminators |
H03G 11/08
|
Limiting rate of change of amplitude |
H03G 99/00
|
Subject matter not provided for in other groups of this subclass |