GB1422651A - Method and circuit arrangement for measuring am-to-pm conversion - Google Patents

Method and circuit arrangement for measuring am-to-pm conversion

Info

Publication number
GB1422651A
GB1422651A GB8573A GB8573A GB1422651A GB 1422651 A GB1422651 A GB 1422651A GB 8573 A GB8573 A GB 8573A GB 8573 A GB8573 A GB 8573A GB 1422651 A GB1422651 A GB 1422651A
Authority
GB
United Kingdom
Prior art keywords
phase
amplitude
network
signal
delay
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
GB8573A
Other languages
English (en)
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.)
Hewlett Packard Ltd
Original Assignee
Hewlett Packard 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 Hewlett Packard Ltd filed Critical Hewlett Packard Ltd
Priority to DE19732349398 priority Critical patent/DE2349398B2/de
Priority to US402926A priority patent/US3875512A/en
Priority to NL7314001A priority patent/NL7314001A/xx
Publication of GB1422651A publication Critical patent/GB1422651A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/06—Measuring depth of modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/04—Means in or combined with modulating stage for reducing amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB8573A 1972-10-11 1973-01-01 Method and circuit arrangement for measuring am-to-pm conversion Expired GB1422651A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19732349398 DE2349398B2 (de) 1972-10-11 1973-10-02 Verfahren und schaltungsanordnung zum messen von am/pm modulationsaenderungen
US402926A US3875512A (en) 1972-10-11 1973-10-03 Method and circuit arrangement for measuring AM to PM conversion
NL7314001A NL7314001A (enrdf_load_stackoverflow) 1972-10-11 1973-10-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUTA001214 HU164991B (enrdf_load_stackoverflow) 1972-10-11 1972-10-11

Publications (1)

Publication Number Publication Date
GB1422651A true GB1422651A (en) 1976-01-28

Family

ID=11001800

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8573A Expired GB1422651A (en) 1972-10-11 1973-01-01 Method and circuit arrangement for measuring am-to-pm conversion

Country Status (2)

Country Link
GB (1) GB1422651A (enrdf_load_stackoverflow)
HU (1) HU164991B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
HU164991B (enrdf_load_stackoverflow) 1974-05-28

Similar Documents

Publication Publication Date Title
US4477773A (en) Frequency measuring apparatus
GB704221A (en) Improvements in or relating to radio transmission systems for stereophonic signals and transmitters and receivers for use therein
GB970051A (en) Compatible stereophonic transmission and reception systems,and methods and components characterizing same
GB1079928A (en) A data transmission system
US2378298A (en) Composite-modulation radio service system
GB1429618A (en) Circuit arrangement for the measuring of group delay and/or attenuation distortions
GB1125851A (en) Improvements in colour television transmitters
CA1116242A (en) Low frequency am stereophonic broadcast and receiving apparatus
GB1422651A (en) Method and circuit arrangement for measuring am-to-pm conversion
GB489636A (en) Carrier wave transmission systems
US2793349A (en) Sideband transmitter
US4149168A (en) Sequentially balanced modulation tone ranging system and method
US4220818A (en) AM Stereo transmitter
GB1028021A (en) Improvements in or relating to satellite radio communication systems and apparatus therefor
GB814632A (en) Improvements in or relating to amplitude modulated carrier wave transmitters
GB1534484A (en) Synchronous demodulation device
GB1509244A (en) High voltage current converters
GB945267A (en) Signal-processing apparatus for an fm/fm multiplex signal
GB626938A (en) Improvements in or relating to radio navigation systems
JP2728071B2 (ja) レンジトーン変調による送信装置およびその受信装置
GB1205658A (en) Frequency multiplex differential phase modulation signal receiver
US2743354A (en) Frequency shift signalling
GB845847A (en) Radio diversity receiving system
SU1203714A2 (ru) Способ передачи и приема информации
US3838336A (en) Apparatus for measuring the group propagation time in a quadripole

Legal Events

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