JPS64843A - C/n measuring circuit - Google Patents

C/n measuring circuit

Info

Publication number
JPS64843A
JPS64843A JP15604487A JP15604487A JPS64843A JP S64843 A JPS64843 A JP S64843A JP 15604487 A JP15604487 A JP 15604487A JP 15604487 A JP15604487 A JP 15604487A JP S64843 A JPS64843 A JP S64843A
Authority
JP
Japan
Prior art keywords
circuit
signal
operating circuit
power
converter
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.)
Granted
Application number
JP15604487A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01843A (ja
JPH0450783B2 (cs
Inventor
Naomasa Yoshida
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.)
NEC Corp
Original Assignee
NEC 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
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP15604487A priority Critical patent/JPS64843A/ja
Priority to DE3886107T priority patent/DE3886107T2/de
Priority to AU18248/88A priority patent/AU594621B2/en
Priority to EP92201171A priority patent/EP0497433B1/en
Priority to EP88305685A priority patent/EP0296822B1/en
Priority to CA000570052A priority patent/CA1332450C/en
Priority to DE3854505T priority patent/DE3854505T2/de
Priority to US07/210,653 priority patent/US4835790A/en
Publication of JPH01843A publication Critical patent/JPH01843A/ja
Publication of JPS64843A publication Critical patent/JPS64843A/ja
Publication of JPH0450783B2 publication Critical patent/JPH0450783B2/ja
Priority to CA000616675A priority patent/CA1333922C/en
Granted legal-status Critical Current

Links

Landscapes

  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP15604487A 1987-06-23 1987-06-23 C/n measuring circuit Granted JPS64843A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP15604487A JPS64843A (en) 1987-06-23 1987-06-23 C/n measuring circuit
CA000570052A CA1332450C (en) 1987-06-23 1988-06-22 Carrier-to-noise detector for digital transmission systems
AU18248/88A AU594621B2 (en) 1987-06-23 1988-06-22 Carrier-to-noise detector for digital transmission systems
EP92201171A EP0497433B1 (en) 1987-06-23 1988-06-22 Phase controlled demodulation system for digital communication
EP88305685A EP0296822B1 (en) 1987-06-23 1988-06-22 Carrier-to-noise detector for digital transmission systems
DE3886107T DE3886107T2 (de) 1987-06-23 1988-06-22 Träger/Rausch-Detektor für digitale Übertragungssysteme.
DE3854505T DE3854505T2 (de) 1987-06-23 1988-06-22 Phasengesteuerte Demodulationseinrichtung zur digitalen Kommunikation.
US07/210,653 US4835790A (en) 1987-06-23 1988-06-23 Carrier-to-noise detector for digital transmission systems
CA000616675A CA1333922C (en) 1987-06-23 1993-07-22 Phase controlled demodulation system for digital communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15604487A JPS64843A (en) 1987-06-23 1987-06-23 C/n measuring circuit

Publications (3)

Publication Number Publication Date
JPH01843A JPH01843A (ja) 1989-01-05
JPS64843A true JPS64843A (en) 1989-01-05
JPH0450783B2 JPH0450783B2 (cs) 1992-08-17

Family

ID=15619093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15604487A Granted JPS64843A (en) 1987-06-23 1987-06-23 C/n measuring circuit

Country Status (1)

Country Link
JP (1) JPS64843A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH033456A (ja) * 1989-05-31 1991-01-09 Nec Corp 搬送波電力対雑音電力比検出回路

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9442148B2 (en) * 2011-07-15 2016-09-13 Teradyne, Inc. ATE to detect signal characteristics of a DUT
US10756829B1 (en) 2019-12-03 2020-08-25 Teradyne, Inc. Determining error vector magnitude using cross-correlation
CN117097353A (zh) 2022-05-11 2023-11-21 莱特普茵特公司 校正误差矢量幅度测量值
CN117478250A (zh) 2022-07-21 2024-01-30 莱特普茵特公司 校正误差矢量幅度测量值

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH033456A (ja) * 1989-05-31 1991-01-09 Nec Corp 搬送波電力対雑音電力比検出回路

Also Published As

Publication number Publication date
JPH0450783B2 (cs) 1992-08-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term