JPH0445292Y2 - - Google Patents
Info
- Publication number
- JPH0445292Y2 JPH0445292Y2 JP1985129893U JP12989385U JPH0445292Y2 JP H0445292 Y2 JPH0445292 Y2 JP H0445292Y2 JP 1985129893 U JP1985129893 U JP 1985129893U JP 12989385 U JP12989385 U JP 12989385U JP H0445292 Y2 JPH0445292 Y2 JP H0445292Y2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- resistance
- filter circuit
- resistor
- crystal resonator
- 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
Links
- 239000013078 crystal Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/168—Two amplifying stages are coupled by means of a filter circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/537—A transformer being used as coupling element between two amplifying stages
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/644,741 US4600903A (en) | 1984-08-27 | 1984-08-27 | Gain control compensation for bandpass filter with variable bandwidth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6150333U JPS6150333U (US08063081-20111122-C00044.png) | 1986-04-04 |
| JPH0445292Y2 true JPH0445292Y2 (US08063081-20111122-C00044.png) | 1992-10-26 |
Family
ID=24586149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985129893U Expired JPH0445292Y2 (US08063081-20111122-C00044.png) | 1984-08-27 | 1985-08-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4600903A (US08063081-20111122-C00044.png) |
| JP (1) | JPH0445292Y2 (US08063081-20111122-C00044.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3523753A1 (de) * | 1985-07-03 | 1987-01-15 | Philips Patentverwaltung | Abgleichfreier tiefpass fuer video-recorder |
| US5543756A (en) * | 1995-05-12 | 1996-08-06 | Hewlett-Packard Company | Combined crystal and LC filter |
| US6137379A (en) * | 1996-09-23 | 2000-10-24 | Morrill; Russell C. | Universal noise controller |
| US6307442B1 (en) * | 1999-05-17 | 2001-10-23 | Maxim Integrated Products | Enhanced LC filter with tunable Q |
| JP2007267095A (ja) * | 2006-03-29 | 2007-10-11 | Seiko Npc Corp | 受信ｉｃ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5553915A (en) * | 1978-10-18 | 1980-04-19 | Seiko Instr & Electronics Ltd | Band blocking filter |
| JPS58191517A (ja) * | 1982-05-06 | 1983-11-08 | Oki Electric Ind Co Ltd | 水晶フイルタ |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680011A (en) * | 1970-08-03 | 1972-07-25 | Stanford Research Inst | Loss cancelling resonator and filters |
| US3883833A (en) * | 1974-01-07 | 1975-05-13 | Stromberg Carlson Corp | Linear phase filter with determinable gain characteristic |
| SE392010B (sv) * | 1976-02-27 | 1977-03-07 | Ericsson Telefon Ab L M | Net for kompensering av forlustdempningen temperaturavvikelse i ett passivt filter |
| JPS5577213A (en) * | 1978-12-06 | 1980-06-10 | Fujitsu Ten Ltd | Selective amplifier |
| DE3006692C2 (de) * | 1980-02-22 | 1983-04-21 | Wandel & Goltermann Gmbh & Co, 7412 Eningen | Quarzbandpaß, bei welchem auf die Nichtlinearität des Verlustwiderstandes von Quarzresonatoren Bedacht genommen ist |
-
1984
- 1984-08-27 US US06/644,741 patent/US4600903A/en not_active Expired - Fee Related
-
1985
- 1985-08-26 JP JP1985129893U patent/JPH0445292Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5553915A (en) * | 1978-10-18 | 1980-04-19 | Seiko Instr & Electronics Ltd | Band blocking filter |
| JPS58191517A (ja) * | 1982-05-06 | 1983-11-08 | Oki Electric Ind Co Ltd | 水晶フイルタ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6150333U (US08063081-20111122-C00044.png) | 1986-04-04 |
| US4600903A (en) | 1986-07-15 |
