FR1404335A - Noise reduction circuit for phase, frequency or amplitude modulated receivers - Google Patents

Noise reduction circuit for phase, frequency or amplitude modulated receivers

Info

Publication number
FR1404335A
FR1404335A FR20666A FR13020666A FR1404335A FR 1404335 A FR1404335 A FR 1404335A FR 20666 A FR20666 A FR 20666A FR 13020666 A FR13020666 A FR 13020666A FR 1404335 A FR1404335 A FR 1404335A
Authority
FR
France
Prior art keywords
frequency
phase
noise reduction
amplitude modulated
reduction circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR20666A
Other languages
French (fr)
Inventor
Achille Crespi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to FR20666A priority Critical patent/FR1404335A/en
Application granted granted Critical
Publication of FR1404335A publication Critical patent/FR1404335A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
FR20666A 1964-08-14 1964-08-14 Noise reduction circuit for phase, frequency or amplitude modulated receivers Expired FR1404335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR20666A FR1404335A (en) 1964-08-14 1964-08-14 Noise reduction circuit for phase, frequency or amplitude modulated receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR20666A FR1404335A (en) 1964-08-14 1964-08-14 Noise reduction circuit for phase, frequency or amplitude modulated receivers

Publications (1)

Publication Number Publication Date
FR1404335A true FR1404335A (en) 1965-06-25

Family

ID=8581876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20666A Expired FR1404335A (en) 1964-08-14 1964-08-14 Noise reduction circuit for phase, frequency or amplitude modulated receivers

Country Status (1)

Country Link
FR (1) FR1404335A (en)

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