SE97848C1 - Bandpass filter with variable bandwidth - Google Patents

Bandpass filter with variable bandwidth

Info

Publication number
SE97848C1
SE97848C1 SE289936A SE289936A SE97848C1 SE 97848 C1 SE97848 C1 SE 97848C1 SE 289936 A SE289936 A SE 289936A SE 289936 A SE289936 A SE 289936A SE 97848 C1 SE97848 C1 SE 97848C1
Authority
SE
Sweden
Prior art keywords
bandpass filter
variable bandwidth
bandwidth
variable
bandpass
Prior art date
Application number
SE289936A
Other languages
Swedish (sv)
Inventor
F W M Below
Original Assignee
Philips Nv
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 by Philips Nv filed Critical Philips Nv
Publication of SE97848C1 publication Critical patent/SE97848C1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
SE289936A 1935-07-26 1936-07-03 Bandpass filter with variable bandwidth SE97848C1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN38414D DE636591C (en) 1935-07-26 1935-07-26 Band filter with variable bandwidth for wireless receivers

Publications (1)

Publication Number Publication Date
SE97848C1 true SE97848C1 (en) 1940-01-23

Family

ID=7347795

Family Applications (1)

Application Number Title Priority Date Filing Date
SE289936A SE97848C1 (en) 1935-07-26 1936-07-03 Bandpass filter with variable bandwidth

Country Status (3)

Country Link
US (1) US2144214A (en)
DE (1) DE636591C (en)
SE (1) SE97848C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452560A (en) * 1945-08-11 1948-11-02 Joseph B Gainer Band-pass transformer

Also Published As

Publication number Publication date
US2144214A (en) 1939-01-17
DE636591C (en) 1936-10-12

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