DEVICE FOR MEASURING INSTANT FREQUENCY Russian patent published in 1994 - IPC

Abstract RU 2022278 C1

FIELD: radio engineering. SUBSTANCE: device for measuring instant frequency has high frequency amplifier, "up" frequency converter, which has mixer, rejection filter and heterodyne connected in series. The heterodyne is connected with the second input of mixer. Device also has high frequency divider, the first and the second frequency discriminators with detector sections, subtraction and addition unit, comparator unit, analog-to-digital converter unit, arithmetical-logic unit. EFFECT: improved precision of measurement. 4 dwg

Similar patents RU2022278C1

Title Year Author Number
METHOD OF DETERMINING OF POWER FACTOR 0
  • Melentev Vladimir Sergeevich
  • Baskakov Vladimir Semenovich
  • Shutov Vladimir Stepanovich
SU1679401A1
METHOD OF DETERMINATION OF POWER FACTOR 1991
  • Melent'Ev V.S.
  • Shutov V.S.
  • Baskakov V.S.
RU2038603C1
UNDERWATER ACOUSTIC DEVICE FOR SEISMIC PROSPECTING 1991
  • Korenbaum V.I.
RU2007053C1
METHODS AND APPARATUS FOR INCREASING ANGLE MODULATION INDEX 2012
  • Sherstyukov Sergej Anatolevich
RU2493646C2
ASSEMBLY FOR FIXING TIME SCALES 1992
  • Chervinskij E.N.
RU2046393C1
METHOD OF DETERMINING HARMONIC SIGNAL CHARACTERISTICS 0
  • Mints Mark Yakovlevich
  • Chinkov Viktor Nikolaevich
SU1760470A1
0
  • Mints Mark Yakovlevich
  • Chinkov Viktor Nikolaevich
  • Smelyakov Vyacheslav Vasilevich
  • Papaika Mikhail Vasilevich
  • Ryabchenko Evgenij Leonidovich
  • Gapchenko Vyacheslav Pamfilovich
SU495614A1
METHOD OF TARGET TRACKING BY MONOPULSE RADAR 1997
  • Bredun I.L.
  • Baskovich E.S.
  • Vojnov E.A.
  • Per B.A.
  • Podoplekin Ju.F.
RU2117960C1
FAST MULTIFUNCTION ANGLE-TO-CODE CONVERTER 1994
  • Fadeev B.E.
  • Afanas'Ev S.Z.
  • Voronov M.S.
RU2094945C1
METHOD DETERMINING AZIMUTH AND ZENITH ANGLE OF WELL AND GYROSCOPIC INCLINOMETER 1999
  • D'Jachenko S.P.
  • Kozhin V.V.
  • Leshchev V.T.
  • Losev V.V.
  • Pavel'Ev A.M.
  • Panteleev V.I.
  • Frejman Eh.V.
RU2159331C1

RU 2 022 278 C1

Authors

Dement'Ev B.A.

Kapeljukhin A.P.

Kuz'Minykh N.N.

Lysov V.B.

Medvedev A.N.

Murav'Ev G.A.

Dates

1994-10-30Published

1991-04-08Filed