AU514310B2 - Tuner with pll - Google Patents

Tuner with pll

Info

Publication number
AU514310B2
AU514310B2 AU24761/77A AU2476177A AU514310B2 AU 514310 B2 AU514310 B2 AU 514310B2 AU 24761/77 A AU24761/77 A AU 24761/77A AU 2476177 A AU2476177 A AU 2476177A AU 514310 B2 AU514310 B2 AU 514310B2
Authority
AU
Australia
Prior art keywords
pll
tuner
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
AU24761/77A
Other languages
English (en)
Other versions
AU2476177A (en
Inventor
RM. Wine C. M. and Henderson JG. N Rast
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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
Priority claimed from US05/688,521 external-priority patent/US4031549A/en
Priority claimed from US05/688,588 external-priority patent/US4109283A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of AU2476177A publication Critical patent/AU2476177A/en
Application granted granted Critical
Publication of AU514310B2 publication Critical patent/AU514310B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
AU24761/77A 1976-05-21 1977-05-02 Tuner with pll Expired AU514310B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
USUS688588 1976-05-21
US05/688,521 US4031549A (en) 1976-05-21 1976-05-21 Television tuning system with provisions for receiving RF carrier at nonstandard frequency
USUS688521 1976-05-21
US05/688,588 US4109283A (en) 1976-05-21 1976-05-21 Frequency counter for a television tuning system

Publications (2)

Publication Number Publication Date
AU2476177A AU2476177A (en) 1978-11-09
AU514310B2 true AU514310B2 (en) 1981-02-05

Family

ID=27104242

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24761/77A Expired AU514310B2 (en) 1976-05-21 1977-05-02 Tuner with pll

Country Status (10)

Country Link
JP (1) JPS5928297B2 (enrdf_load_stackoverflow)
AT (1) AT381819B (enrdf_load_stackoverflow)
AU (1) AU514310B2 (enrdf_load_stackoverflow)
DE (1) DE2722659C2 (enrdf_load_stackoverflow)
FI (1) FI65516C (enrdf_load_stackoverflow)
FR (1) FR2361789A1 (enrdf_load_stackoverflow)
GB (1) GB1581933A (enrdf_load_stackoverflow)
HK (1) HK33386A (enrdf_load_stackoverflow)
IT (1) IT1111661B (enrdf_load_stackoverflow)
SE (1) SE415720B (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917254A (enrdf_load_stackoverflow) * 1972-06-05 1974-02-15
US3949158A (en) * 1974-12-31 1976-04-06 Quasar Electronics Corporation Wide band aft circuit for television receiver
IT1073074B (it) * 1975-11-14 1985-04-13 Rca Corp Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata
US4078212A (en) * 1976-02-27 1978-03-07 Rca Corporation Dual mode frequency synthesizer for a television tuning apparatus

Also Published As

Publication number Publication date
DE2722659C2 (de) 1985-05-30
DE2722659A1 (de) 1977-11-24
FR2361789A1 (fr) 1978-03-10
FR2361789B1 (enrdf_load_stackoverflow) 1982-11-19
FI65516B (fi) 1984-01-31
GB1581933A (en) 1980-12-31
FI771529A7 (enrdf_load_stackoverflow) 1977-11-22
JPS5310920A (en) 1978-01-31
AT381819B (de) 1986-12-10
FI65516C (fi) 1984-05-10
HK33386A (en) 1986-05-23
IT1111661B (it) 1986-01-13
SE7705644L (sv) 1977-11-22
JPS5928297B2 (ja) 1984-07-12
SE415720B (sv) 1980-10-20
AU2476177A (en) 1978-11-09
ATA364577A (de) 1986-04-15

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