17 GHz BAND, 1.7 kW, HIGH EFICIENCY, HIGH POWER GAIN

GENERALDESCRIPTION TheseriesofNECLD7111isafive-cavityKlystronAmplifierandidealforuseintheearth-to-satellitecommunicationsystems.Thesearedesignedforoperatingat1.7kWCWoverthefrequencyrangeof17.3to18.4GHz. FEATURES ○CompactandLightWeight(27kgapprox.) ○

Single Synchronous Buck PWM Controller

GeneralDescription TheLD7120isasinglePWMcontrollerdesignedtodrive N-channelMOSFETinasynchronousbucktopology.TheIC integratesthecontroller,outputadjustment,monitoring,and protectionfunctionsinasingle8-pinpackage. TheLD7120providessimple,singlefeedbackloop,

Single Synchronous Buck PWM Controller

GeneralDescription TheLD7120isasinglePWMcontrollerdesignedtodrive N-channelMOSFETinasynchronousbucktopology.TheIC integratesthecontroller,outputadjustment,monitoring,and protectionfunctionsinasingle8-pinpackage. TheLD7120providessimple,singlefeedbackloop,

Single Synchronous Buck PWM Controller

GeneralDescription TheLD7120isasinglePWMcontrollerdesignedtodrive N-channelMOSFETinasynchronousbucktopology.TheIC integratesthecontroller,outputadjustment,monitoring,and protectionfunctionsinasingle8-pinpackage. TheLD7120providessimple,singlefeedbackloop,

17 GHz BAND, 2.0 kW/2.4 kW, HIGH EFFICIENCY, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7126seriesareDBSKlystronAmplifierswhichemployfivecavitiesandareidealforuseintheearth-to-satellitecommunicationsystems. FEATURES ○CompactandLightWeight(27kgapprox.) ○HighEfficiency(TheDCtoRFconversionefficiencyistypically28orhigh

14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7202seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifierstubeintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof600Wovertherangeof12.75to14.5GHzandprovideahighpowergain

14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7202seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifierstubeintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof600Wovertherangeof12.75to14.5GHzandprovideahighpowergain

14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7202seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifierstubeintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof600Wovertherangeof12.75to14.5GHzandprovideahighpowergain

14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7202seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifierstubeintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof600Wovertherangeof12.75to14.5GHzandprovideahighpowergain

14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7202seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifierstubeintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof600Wovertherangeof12.75to14.5GHzandprovideahighpowergain

14 GHz, 300 W CW, CONDUCTION COOLING, HIGH POWER GAIN, FLAT GAIN VARIATION

GENERALDESCRIPTION TheNECLD7213andLD7213LarePPM-focusedtravelingwave-tubesdesignedforuseasfinalamplifiersintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof300Wovertherangeof14.0to14.5GHzand13.75to14.5GHz. They

14 GHz, 300 W CW, CONDUCTION COOLING, HIGH POWER GAIN, FLAT GAIN VARIATION

GENERALDESCRIPTION TheNECLD7213andLD7213LarePPM-focusedtravelingwave-tubesdesignedforuseasfinalamplifiersintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof300Wovertherangeof14.0to14.5GHzand13.75to14.5GHz. They

6 GHz, 3 kW, HELIX TYPE, PPM FOCUSING, HIGH POWER GAIN, FLAT GAIN VARIATION

GENERALDESCRIPTION TheNECLD7215,LD7215CandLD7215DarePPM-focusedtravelingwavetubesdesignedforuseasthefinalamplifiersintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputof3kWovertherangeof5.85to6.425GHz. Theyprovideahigh

6 GHz, 3 kW, HELIX TYPE, PPM FOCUSING, HIGH POWER GAIN, FLAT GAIN VARIATION

GENERALDESCRIPTION TheNECLD7215,LD7215CandLD7215DarePPM-focusedtravelingwavetubesdesignedforuseasthefinalamplifiersintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputof3kWovertherangeof5.85to6.425GHz. Theyprovideahigh

6 GHz, 3 kW, HELIX TYPE, PPM FOCUSING, HIGH POWER GAIN, FLAT GAIN VARIATION

GENERALDESCRIPTION TheNECLD7215,LD7215CandLD7215DarePPM-focusedtravelingwavetubesdesignedforuseasthefinalamplifiersintheearth-to-satellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputof3kWovertherangeof5.85to6.425GHz. Theyprovideahigh

6 GHz, 3 kW CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7215WisaPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-to-satellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof3kWovertherangeof5.85to6.65GHz. Itprovidesahighpowergainof42dBatara

6 GHz, 600 W/700 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7217seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifiersintheearth-tosatellitecommunicationstransmitter. LD7217SandLD7217arecapableofdeliveringanoutputpowerof600Wand700Wovertherangeof5.85to6.425GHzandprovide

6 GHz, 600 W/700 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7217seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifiersintheearth-tosatellitecommunicationstransmitter. LD7217SandLD7217arecapableofdeliveringanoutputpowerof600Wand700Wovertherangeof5.85to6.425GHzandprovide

6 GHz, 600 W/700 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7217seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifiersintheearth-tosatellitecommunicationstransmitter. LD7217SandLD7217arecapableofdeliveringanoutputpowerof600Wand700Wovertherangeof5.85to6.425GHzandprovide

30 GHz, 150 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7235seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifiersintheearth-to-satellitecommunicationstransmitter,LMDS(LocalMultipointDistributionService)andotheradvancedcommunicationsystems. ThreemodelsoftheLD7235seriesar

DBS Band, 400 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7237isPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-to-satellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof400Wovertherangeof17.3to18.1GHzandprovidesahighpowergainof53dBat400Wo

14 GHz, 123 W CW, CONDUCTION COOLING, MINIMUM SIZE

GENERALDESCRIPTION NECLD7246AisPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-to-satellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof130Wovertherangeof13.75to14.5GHz. Itprovidesahighpowergainof53dBat123

14 GHz, 123 W CW, CONDUCTION COOLING, MINIMUM SIZE

GENERALDESCRIPTION NECLD7246AisPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-to-satellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof130Wovertherangeof13.75to14.5GHz. Itprovidesahighpowergainof53dBat123

14 GHz, 350 W/400 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7249seriesofPPM-focusedtravelingwavetubearedesignedforuseasfinalamplifiersintheearth-tosatellitecommunicationstransmitter. TwomodelsoftheLD7249seriesarecapableofdeliveringanoutputpowerof350Wand400Wovertherangeof13.75to14.5

14 GHz, 350 W/400 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION NECLD7249seriesofPPM-focusedtravelingwavetubearedesignedforuseasfinalamplifiersintheearth-tosatellitecommunicationstransmitter. TwomodelsoftheLD7249seriesarecapableofdeliveringanoutputpowerof350Wand400Wovertherangeof13.75to14.5

6 GHz, 2.25 kW CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7260isaPPM-focusedtravelingwavetubedesignedforuseasfinalamplifiersintheearth-to-satellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof2.25kWovertherangeof5.85to6.425GHZandprovidesapowergainof44dBatra

20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7261isaPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-tosatellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof250Wovertherangeof18.0to21.7GHzandprovidesapowergainofmorethan40dB

6 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7262seriesofPPMfocusedtravelingwavetubesaredesignedforfinalamplifierintheearth-tosatellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof750Wovertherangeof5.85to6.45GHZandanoutputpowerof700Woverthera

14 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7263isaPPM-focusedtravelingwavetubedesignedforuseasfinalamplifiersintheearth-tosatellitecommunicationstransmitter. Thisiscapableofdeliveringanoutputpowerof750Wovertherangeof13.75to14.5GHZandprovidesapowergainofmorethan47

30 GHz, 100 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7267seriesofPPM-focusedtravelingwavetubesaredesignedforuseasfinalamplifiersintheearth-to-satellitecommunicationstransmitter,LMDS(LocalMultipointDistributionService)andotheradvancedcommunicationsystems. ThreemodelsoftheLD7267seriesar

6 GHz, 400 W CW, CONDUCTION COOLING, HIGH POWER GAIN

GENERALDESCRIPTION TheNECLD7272seriesofPPMfocusedtravelingwavetubesaredesignedforfinalamplifierintheearth-tosatellitecommunicationstransmitter. Thesearecapableofdeliveringanoutputpowerof400Wovertherangeof5.85to6.45GHZandanoutputpowerof400Woverthera

Green-Mode PWM Controller with Integrated Protections and Adjustable OLP Delay Time

GeneralDescription TheLD7530/LD7530Aarespecificallydesignedforthelow totalsystemcostbyintegratingmanyfunctions,protections, andtheEMI-improvedsolutioninatinySOT-26package whichusuallyneedalotofextracomponentsorcircuitson thegeneraldesigns. Furthermore,the

Green-Mode PWM Controller with Frequency Trembling and Integrated Protections

Features High-VoltageCMOSProcesswithExcellentESD protection VeryLowStartupCurrent(

Green-Mode PWM Controller with Integrated Protections

GeneralDescription TheLD7535/LD7535Aarelowcost,lowstartupcurrent, currentmodePWMcontrollerswithgreen-modepowersaving operation.Theintegratedfunctionsincludethe leading-edgeblankingofthecurrentsensing,internalslope compensationandthetinypackageofSOT-26.They pr

Green-Mode PWM Controller with Frequency Swapping and Integrated Protections

GeneralDescription TheLD7537isbuilt-inwithseveralfunctions,protection andEMI-improvedsolutioninatinypackage.Ittakesless componentscountsorcircuitspace,especiallyidealfor thosetotalsolutionsoflowcost. Theimplementedfunctionsincludelowstartupcurrent, green-mo

Green-Mode PWM Controller

[LeadtrendTechnologyCorporation] Green-ModePWMController

Green-Mode PWM Controller

[LeadtrendTechnologyCorporation] Green-ModePWMController

Green-Mode PWM Controller

[LeadtrendTechnologyCorporation] Green-ModePWMController

Green-Mode PWM Controller

[LeadtrendTechnologyCorporation] Green-ModePWMController

Green-Mode PWM Controller

[LeadtrendTechnologyCorporation] Green-ModePWMController

GREEN MODE PWM CONTROLLER

[LeadtrendTechnologyCorporation] GeneralDescription TheLD7552isalowcost,lowstartupcurrent,currentmodePWMcontrollerwithgreen-modepower-savingoperation.Theintegratedfunctionssuchastheleading-edgeblankingofthecurrentsensing,internalslopecompensationandthes

GREEN MODE PWM CONTROLLER

[LeadtrendTechnologyCorporation] GeneralDescription TheLD7552isalowcost,lowstartupcurrent,currentmodePWMcontrollerwithgreen-modepower-savingoperation.Theintegratedfunctionssuchastheleading-edgeblankingofthecurrentsensing,internalslopecompensationandthes

GREEN MODE PWM CONTROLLER

[LeadtrendTechnologyCorporation] GeneralDescription TheLD7552isalowcost,lowstartupcurrent,currentmodePWMcontrollerwithgreen-modepower-savingoperation.Theintegratedfunctionssuchastheleading-edgeblankingofthecurrentsensing,internalslopecompensationandthes

GREEN MODE PWM CONTROLLER

[LeadtrendTechnologyCorporation] GeneralDescription TheLD7552isalowcost,lowstartupcurrent,currentmodePWMcontrollerwithgreen-modepower-savingoperation.Theintegratedfunctionssuchastheleading-edgeblankingofthecurrentsensing,internalslopecompensationandthes

GREEN MODE PWM CONTROLLER

[LeadtrendTechnologyCorporation] GeneralDescription TheLD7552isalowcost,lowstartupcurrent,currentmodePWMcontrollerwithgreen-modepower-savingoperation.Theintegratedfunctionssuchastheleading-edgeblankingofthecurrentsensing,internalslopecompensationandthes

High Voltage Green-Mode PWM Controller with Brown-Out Protection

GeneralDescription TheLD7577integratesseveralfunctionsofprotections,and EMI-improvedsolutioninSOP-8package.Itminimizesthe componentcountsandthecircuitspace. Thedeviceprovidesfunctionsoflowstartupcurrent, green-modepower-savingoperation,leading-edgeblanking oft

Transition-Mode PFC Controller with Fault Condition Protection

GeneralDescription TheLD7592isavoltagemodePFCcontrolleroperatingon transitionmode,withseveralintegratedfunctionsof protection,suchasOVP,OCP,andBrown-inprotection.It reducesthecomponentscountsandisavailableina SOP-8orDIP-8package.Thosemakeitanidealdesig

Transition-Mode PFC Controller with Fault Condition Protection

GeneralDescription TheLD7592isavoltagemodePFCcontrolleroperatingon transitionmode,withseveralintegratedfunctionsof protection,suchasOVP,OCP,andBrown-inprotection.It reducesthecomponentscountsandisavailableina SOP-8orDIP-8package.Thosemakeitanidealdesig

Transition-Mode PFC Controller with Fault Condition Protection

GeneralDescription TheLD7592isavoltagemodePFCcontrolleroperatingon transitionmode,withseveralintegratedfunctionsof protection,suchasOVP,OCP,andBrown-inprotection.It reducesthecomponentscountsandisavailableina SOP-8orDIP-8package.Thosemakeitanidealdesig

Transition-Mode PFC Controller with Fault Condition Protection

GeneralDescription TheLD7592SisavoltagemodePFCcontrolleroperating ontransitionmode,withseveralintegratedfunctionsof protection,suchasOVP,OCP,andbrown-inprotection.It reducesthecomponentscountsandisavailableina SOP-8orDIP-8package.Thosemakeitanidealdesi

Transition-Mode PFC Controller with Fault Condition Protection

GeneralDescription TheLD7592SisavoltagemodePFCcontrolleroperating ontransitionmode,withseveralintegratedfunctionsof protection,suchasOVP,OCP,andbrown-inprotection.It reducesthecomponentscountsandisavailableina SOP-8orDIP-8package.Thosemakeitanidealdesi

Transition-Mode PFC Controller with Fault Condition Protection

GeneralDescription TheLD7592SisavoltagemodePFCcontrolleroperating ontransitionmode,withseveralintegratedfunctionsof protection,suchasOVP,OCP,andbrown-inprotection.It reducesthecomponentscountsandisavailableina SOP-8orDIP-8package.Thosemakeitanidealdesi

Low Power Off-line Switcher

GeneralDescription TheLD7660Jintegrateda600VpowerMOSFETanda currentmodePWMcontrollerinaDIP-8package.It’s operatingatfixedfrequencyof65kHz.Itprovidesimportant functionsneededforalowoutputpowerapplicationssuch asleading-edgeblankingofthecurrentsensing,in

Low Power Off-line Switcher

GeneralDescription TheLD7660Jintegrateda600VpowerMOSFETanda currentmodePWMcontrollerinaDIP-8package.It’s operatingatfixedfrequencyof65kHz.Itprovidesimportant functionsneededforalowoutputpowerapplicationssuch asleading-edgeblankingofthecurrentsensing,in

30 GHz, 20 W CW, Conduction Cooling, Mimimum Size

30GHz,20WCW,ConductionCooling,MimimumSize GENERALDESCRIPTION TheNECLD7713isaPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-to-satellitecommunicationstransmitter,LMDS(LocalMultipointdistributionservice)andotheradvancedcommunication

30 GHz, 40 W CW, Conduction Cooling, Mimimum Size

30GHz,40WCW,ConductionCooling,MimimumSize GENERALDESCRIPTION TheNECLD7714isaPPM-focusedtravelingwavetubedesignedforuseasfinalamplifierintheearth-to-satellitecommunicationstransmitter,LMDS(LocalMultipointdistributionservice)andotheradvancedcommunication

High Voltage Green-Mode PWM Controller with Over Temperature Protection

Features High-Voltage(500V)StartupCircuit CurrentModeControl GreenModeControl UVLO(UnderVoltageLockout) LEB(Leading-EdgeBlanking)onCSPin InternalFrequencySwapping InternalSlopeCompensation InternalOverCurrentProtection OVP(OverVoltageProtection)onVcc OLP(Over

High Voltage Green-Mode PWM Controller with Over Temperature Protection

Features High-Voltage(500V)StartupCircuit CurrentModeControl GreenModeControl UVLO(UnderVoltageLockout) LEB(Leading-EdgeBlanking)onCSPin InternalFrequencySwapping InternalSlopeCompensation InternalOverCurrentProtection OVP(OverVoltageProtection)onVcc OLP(Over

High Voltage Green-Mode PWM Controller with Over Temperature Protection

Features High-Voltage(500V)StartupCircuit CurrentModeControl GreenModeControl UVLO(UnderVoltageLockout) LEB(Leading-EdgeBlanking)onCSPin InternalFrequencySwapping InternalSlopeCompensation InternalOverCurrentProtection OVP(OverVoltageProtection)onVcc OLP(Over

High Voltage Green-Mode PWM Controller with Over Temperature Protection

Features High-Voltage(500V)StartupCircuit CurrentModeControl GreenModeControl UVLO(UnderVoltageLockout) LEB(Leading-EdgeBlanking)onCSPin InternalFrequencySwapping InternalSlopeCompensation InternalOverCurrentProtection OVP(OverVoltageProtection)onVcc OLP(Over