GB2122437B - Fsk receiver with twin stable state pll - Google Patents

Fsk receiver with twin stable state pll

Info

Publication number
GB2122437B
GB2122437B GB08215413A GB8215413A GB2122437B GB 2122437 B GB2122437 B GB 2122437B GB 08215413 A GB08215413 A GB 08215413A GB 8215413 A GB8215413 A GB 8215413A GB 2122437 B GB2122437 B GB 2122437B
Authority
GB
United Kingdom
Prior art keywords
twin
stable state
fsk receiver
state pll
pll
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
GB08215413A
Other versions
GB2122437A (en
Inventor
Graham Edgar Beesley
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.)
Motorola Solutions UK Ltd
Original Assignee
Motorola Ltd
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 Motorola Ltd filed Critical Motorola Ltd
Priority to GB08215413A priority Critical patent/GB2122437B/en
Publication of GB2122437A publication Critical patent/GB2122437A/en
Application granted granted Critical
Publication of GB2122437B publication Critical patent/GB2122437B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/16—Frequency regulation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
GB08215413A 1982-05-26 1982-05-26 Fsk receiver with twin stable state pll Expired GB2122437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08215413A GB2122437B (en) 1982-05-26 1982-05-26 Fsk receiver with twin stable state pll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08215413A GB2122437B (en) 1982-05-26 1982-05-26 Fsk receiver with twin stable state pll

Publications (2)

Publication Number Publication Date
GB2122437A GB2122437A (en) 1984-01-11
GB2122437B true GB2122437B (en) 1986-03-19

Family

ID=10530650

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08215413A Expired GB2122437B (en) 1982-05-26 1982-05-26 Fsk receiver with twin stable state pll

Country Status (1)

Country Link
GB (1) GB2122437B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137836B (en) * 1983-04-06 1986-07-23 Multitone Electronics Plc Fm demodulators
US4580101A (en) * 1983-04-06 1986-04-01 Multitone Electronics Plc FM demodulators with local oscillator frequency control circuits
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
GB2158330A (en) * 1984-04-30 1985-11-06 Philips Electronic Associated An afc system for a direct modulation fm data receiver
KR940001862B1 (en) * 1991-03-21 1994-03-09 삼성전자 주식회사 Bias stable circuit of paging receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808528A (en) * 1972-09-25 1974-04-30 Westinghouse Electric Corp Modulation and noise analyzer
DE2511323B1 (en) * 1975-03-14 1976-08-05 Siemens Ag CIRCUIT ARRANGEMENT FOR DETERMINING THE PHASE INTERFERENCE MODULATION OF A MEASURING SIGNAL

Also Published As

Publication number Publication date
GB2122437A (en) 1984-01-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee