F-Term-List

5J106 Stabilization of oscillater, synchronisation, frequency synthesizers
H03L1/00 -9/00
H03L1/00-7/14,180;7/24-7/26 AA AA00
CIRCUIT SYSTEMS
AA01 AA02 AA03 AA04 AA05
. Oscillators . AFC . Synchronous circuit . . PLL . . . Digital PLL
BB BB00
APPLICATIONS
BB01 BB02 BB03 BB04 BB05 BB06 BB08 BB09 BB10
. Communication equipment . . Data communication . Information equipment . Imaging devices or audio equipments . Measurement equipments . Electric equipments . Modulation . Demodulation . Frequency synthesisers
CC CC00
CONFIGURATION 1 (MAIN CONFIGURATION)
CC01 CC02 CC03 CC05 CC06 CC07 CC08 CC09 CC10
. Oscillation circuits or VCOs . . Analogue oscillation circuits . . Pulse clock oscillation circuits . . Microwave distribution constant oscillation circuits . . Injection-locked oscillation circuits . . Atomic oscillator . . . Caesium types . . . Rubidium types . . . Laser maser oscillators
CC12 CC13 CC15 CC16 CC17 CC19 CC20
. . Sweep frequency oscillation circuits . . Sweep voltage oscillation circuits or generating circuits . . Reference oscillation circuits . . Local oscillation circuits . . Spare oscillation circuits . . A plurality of oscillation circuits or VCOs . . . A plurality of loop VCOs
CC21 CC22 CC23 CC24 CC25 CC26 CC27 CC30
. Phase comparison or discrimination circuits . . Orthogonal synchronous detection type . . Multiplier type . . Updown type . . Sampling type . . Logic circuit type . . . Exclusive OR type . . A plurality of phase comparison or discrimination circuits
CC31 CC32 CC33 CC34 CC35 CC37 CC38 CC39 CC40
. Frequency comparison or discrimination circuits . . Frequency-voltage changing type . . Frequency-value changing type . . Comparison with reference signals . . A plurality of frequency comparison or discrimination circuits . Filter circuits . . LPF . . BPF . . HPF
CC41 CC42 CC43 CC44 CC45 CC46 CC47 CC48
. . Loop filters . . . A plurality of loop filters . . Analogue type . . . Lag. Lag-lead type . . . Active type . . Digital type . . . Analogue-digital converter output type . . . Updown counter output type
CC51 CC52 CC53 CC54 CC55 CC57 CC58 CC59
. Frequency changing circuits . . Frequency dividing circuits . . . Variable frequency dividing circuits . . Multiplication circuits . . Frequency mixing circuits . Phase changing circuits . . Phase shifting delaying circuits . . . Variable phase shifting delaying circuits
DD DD00
CONFIGURATION 2 (SUB-CONFIGURATION)
DD01 DD02 DD03 DD04 DD05 DD06 DD07 DD08 DD09 DD10
. Waveform level changing circuits . . Integrating circuits . . Differentiating circuits . . Limiters . . Amplifying circuits . . . Comparators . . Attenuation circuits . Switches . . Selectors . . . Multiplexers
DD11 DD12 DD13 DD14 DD15 DD17 DD18 DD19 DD20
. Synthesising or distribution circuits . . Multiplication circuits . . Addition or subtraction circuits . . Circulators . . Directional couplers . Counter circuits . . Variable counters . . Updown counters . . Ring counters
DD21 DD22 DD23 DD24 DD25 DD26 DD29
. Synchronised clock control circuits . . Pulse insertion or extraction control . . Control of frequency dividing ratio or counter values . . Control of phase shifting or a delay amount . . Clock frequency selection control . . Clock phase selection control . . A plurality of synchronised clock control circuits
DD31 DD32 DD33 DD34 DD35 DD36 DD37 DD38 DD39
. Digital circuits . . Charge pump circuits . . Memory circuits . . CPUs . . D/A converters . . A/D converters . . Code converters . . Registers . . . Shift registers
DD42 DD43 DD44 DD46 DD47 DD48
. . Latch circuits . . Gate circuits . . Arithmetic circuits . . Logic circuits . . . Exclusive OR . . . Flip flop
EE EE00
CONFIGURATION 3 (ADDITIONAL CONFIGURATION)
EE01 EE02 EE03 EE04 EE05 EE06 EE07 EE08 EE09 EE10
. Detection circuits . . Detection of temperature . . Detection of voltage levels . . . Detection of oscillation output levels . . . Detection of input levels . . . . Detection of input signal disconnection . . Detection of malfunction . . . detecting synchronisation or asynchronisation . . . . Detection from input/output signals . . . . Detection by loop signals
EE11 EE12 EE13 EE14 EE15 EE16 EE17 EE18 EE19 EE20
. Detection circuits . Synchronous circuits . Indication circuits . Window circuits . Holding circuits . Speculation or prediction circuits . Power supply circuits . Constant voltage circuits . Constant current circuits . Constant temperature bath
FF FF00
INPUT/OUTPUT OR LOOP CONFIGURATION
FF01 FF02 FF03 FF04 FF05 FF06 FF07 FF08 FF09
. A plurality of inputs . Modulation or encoded signal inputs . A plurality of outputs . . A plurality of outputs of different frequencies or phases . Combination with external application circuits . Input circuits . Output circuits . Feedback circuits . A plurality of loops
GG GG00
CONTROL OBJECTS
GG01 GG02 GG03 GG04 GG05 GG06 GG07 GG08 GG09 GG10
. Oscillation circuits or VCOs . . Atomic oscillators . . Reference local or preliminary oscillation circuits . Phase comparison or discrimination circuits . Frequency comparison or discrimination circuits . Filter circuits . . Loop filters . Frequency changing circuits . . Frequency dividing circuits . Phase shifting circuits
GG11 GG12 GG13 GG14 GG15 GG16 GG17 GG18 GG19 GG20
. Waveform level conversion circuits . Synthesising or distribution circuits . Counter circuits . Synchronised clock control circuits . Charge pump circuits . Power supply circuits . Constant voltage circuits or constant current circuits . Input circuits . Output circuits . Feedback circuits
HH HH00
CONTROL VARIABLES
HH01 HH02 HH03 HH04 HH05 HH06 HH07 HH08 HH09 HH10
. Frequencies . Phases . Voltage current or electric power . . Gains . . . AGCs . Temperature . Electric fields or magnetic fields . Start or stop . Reset . changing or switching circuit characteristics
JJ JJ00
IMPROVING CHARACTERISTICS OF COMPONENTS
JJ01 JJ02 JJ03 JJ04 JJ05 JJ06 JJ07 JJ08 JJ09
. Oscillation circuits or VCOs . Phase comparison or discrimination circuits . Frequency comparison or discrimination circuits . Filter circuits . Frequency changing circuits . Phase changing circuits . Synchronised clock control circuits . Charge pump circuits . Synchronous or asynchronous detecting circuits
KK KK00
PURPOSES OR EFFECTS
KK01 KK02 KK03 KK05 KK06 KK08 KK09
. improving performances . . for accelerating . . . accelerating synchronous establishment . . Higher precision . . . reducing errors in stationary phases . . expanding a capturing range . . reducing output distortions
KK11 KK12 KK13 KK14 KK15 KK16 KK17 KK18 KK19 KK20
. improving reliability . . Stabilisation of operations or characteristics . . . Temperature compensation . . . Power supply compensation . . . Output frequencies . . . . Free run frequencies . . . Output phases . . . Stabilisation when input signals are unstable or missing . . . Output levels . . . . preventing oscillation stop
KK22 KK23 KK24 KK25 KK26 KK27 KK28 KK29 KK30
. . eliminating noise . . . External noise . . . Internal noise . . . Jitters . . . spurious . . improving noise resistance . . ensuring start or stop . . Malfunction prevention . . . Missynchronisation prevention
KK31 KK32 KK33 KK34 KK35 KK36 KK37 KK38 KK39 KK40
. Prevention or correction of changes with time . Adjustment setting or test . Intermittent operations . Spare circuits . Mutual synchronising . improving productivity . IC formation or LSI formation . Miniaturisation . Simplification . Electric power saving
LL LL00
DRAWING INFORMATION
LL01 LL02 LL03 LL04 LL05 LL06 LL07 LL08 LL09 LL10
. Oscillation circuits or VCOs . Phase comparison or discrimination circuits . Frequency comparison or discrimination circuits . Filter circuits . Synchronised clock control circuits . Variable frequency dividing circuits or variable counters . Synchronous or asynchronous detecting circuits . Mechanical structures . . Cases or boards . . Atomic oscillators
H03L7/16-7/23,150 PP PP00
VARIABLE OUTPUT FREQUENCY SYSTEMS
PP01 PP02 PP03 PP04 PP05 PP07
. by changing reference frequencies . by changing locally oscillating frequencies . by changing loop frequency dividing ratio . including counters in frequency comparing means . by other means . output frequencies or frequency-changing being unchanged
QQ QQ00
PURPOSES OR FUNCTIONS
QQ01 QQ02 QQ03 QQ04 QQ05 QQ06 QQ07 QQ08 QQ09 QQ10
. relating to output frequency characteristics . . making frequency variable steps smaller than reference frequencies . . Output frequencies being scanning . . Stabilisation of output frequencies in asynchronising . obtaining a plurality of outputs with different frequencies . Eliminating noise or improving S/N ratio . . eliminating jitters . . preventing spurious noise . shortening lockup time . Malfunction prevention or synchronisation recovery
QQ11 QQ12
. relating to mechanical structures . Others
RR RR00
COMPONENTS
RR01 RR02 RR03 RR04 RR05 RR06 RR07 RR08 RR09 RR10
. Input circuits other than fixed frequency dividers . Output circuits other than fixed frequency dividers . Combination with external application circuits . Mixers inside loops . Mixers outside loops . Fixed frequency dividers inside loops . Fixed frequency dividers outside loops . Multipliers or harmonic generators inside loops . Multipliers or harmonic generators outside loops . Adding devices or voltage synthesisers
RR11 RR12 RR13 RR14 RR15 RR16 RR17 RR18 RR19 RR20
. Amplifiers or buffers . Controllers . . CPUs or microcomputers . Storage devices . D/A converters . Code converters . Variable means of VCOs . Frequency dividing ratio setting means of programmable frequency dividers . Output frequency scanning or stopping means . Switches or selectors
RR21 RR22
. Synchronous detecting means . Display means
SS SS00
DETAILED CONFIGURATION
SS01 SS02 SS03 SS04 SS05 SS07
. indicating specific circuits of comparators . indicating specific circuits of LPFs or integrators . indicating specific circuits of VCOs . illustrating specific circuits of programmable frequency dividers . indicating specific circuits in other sections . illustrating mechanical structures
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