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1 SeriesSeriesFrequency RangeImpedanceVSWRI nsertion lossConnectorsPower(Max.)Switching ModeAttenuation Rotary DirectionClosedSet Attenuation at 1dB 8dB ; (Max.)Set Attenuation at 9dB 10dB ; (Max.)Set attenuation at 7dB 10dB ; (Max.)Step AngleOperating TemperatureRangeWeightRefer to standard specifications( )TypeConnectorsConnectorsModel DescriptionAttenuation Step Attenuatin(Max.)Attenuation Step Attenuatin(Max.)Attenuatin(Max.) 10dB10,000 timesCommon (Max.) (Max.) (Max.) (Max.) (Max.)Set Attenuation at 1dB 6dB ; (Max.)DeviationIncrease Rotated Clockwise0110 ; 1dB StepSRA - 0 1 1 0 - SMAJSMAJL ongevityProduct features and applicationsThe URA-Q/SRA series are ultra-small rotary stepattenuators, covering up to DC-3000 MHz (URA-Q)or DC-6000 MHz (SRA) frequency.

2 They are usefulfor wireless devices to adjust the radio frequency inup to the SHF band.(60g)Frequency CharacteristicsOutline DrawingsTAMAGAWA ELECTRONICS CO., , Kamituchidana-naka,Ayase City,Kanagawa, 252-1113 Japan DescriptionSMAJSMAJ(Only URA-B type)(Only URA-B type)SMAJ-LSMAJ-L(Only URA-B type)(Only URA-B type)Common SpecificationsCommon SpecificationsImpedanceImpedanceVSWRVSWR I nsertion LossInsertion LossPower(Max.)Power(Max.)ConnectorsConn ectorsAttenuation RotaryAttenuation RotaryDirectionDirectionAttenuation RotaryAttenuation RotaryDirectionDirectionSwitching ModeSwitching ModeStep AngleStep AngleOperating Temperatureperating TemperatureRangeRangeLongevityLongevityW eightWeightClosedClosedNumber of StepsNumber of StepsNumber of StepsNumber of StepsAttenuation StepsAttenuation Steps(dB)(dB)Attenuation StepsAttenuation Steps(dB)(dB)Increases Increases Rorated ClockwiseRorated ClockwiseIncreases/DecreasesIncreases/De creasesRorated ClockwiseRorated ClockwiseAttenuation Step ,Attenuation Step ,Attenuation(Max.)

3 Attenuation(Max.)Refer To StandardRefer To StandardSpecificationsSpecifications( )( )TypeTypeConnectorConnectorI ; Increases Rotated ClockwiseI ; Increases Rotated ClockwiseD ; Decreases Rotated ClockwiseD ; Decreases Rotated ClockwiseURA-M series Standard SpecificationsURA-B series Standard Specifications10,000 (Reciprocating Motion 110,000 (Reciprocating Motion 1 10dB)10dB)Frequency RangeFrequency Range (Only URA-B type)(Only URA-B type)ModelsModelsSeriesSeriesDeviation(d B)Deviation(dB) (Max.) (Max.) (Max.) (Max.) (Max.)AttenuationAttenuationdB (Max.)dB (Max.)AttenuationAttenuationdB (Max.)dB (Max.)Next pageURA - 0 1 1 0 M - SMAJ - I/DProduct features and applicationsThe URA-M/URA-B series are rotary stepattenuators, covering up to DC-3000 MHzfrequency.

4 The compact and lightweight designM series are easier to install in narrow spacesthan existing models. The performance-orientedB series are fabricated with thin film distributedelements to attain greatly improved frequencyresponse. dB indicators and knobs are availableas optional parts for research and DrawingsURA-0110M Attenuation DeviationFrequency CharacteristicsSet AttenuationFrequency CharacteristicsFrequency RangeTAMAGAWA ELECTRONICS CO., , Kamituchidana-naka,Ayase City,Kanagawa, 252-1113 Japan of StepsNumber of StepsAttenuation StepsAttenuation Steps(dB)(dB)URA-C YA series Standard SpecificationsModelsDeviation(dB)Common SpecificationsCommon SpecificationsImpedanceImpedanceVSWRVSWR I nsertion LossInsertion LossPower(Max.)

5 Power(Max.)ConnectorsConnectorsAttenuati on RotaryAttenuation RotaryDirectionDirectionSwitching ModeSwitching ModeStep AngleStep AngleOperating TemperatureOperating TemperatureRangeRangeLongevityLongevityW eightWeightClosedClosedIncreases/Decreas eIncreases/DecreasesRorated ClockwiseRorated ClockwiseIncreases Increases Rorated ClockwiseRorated ClockwiseUnbalancedUnbalanced Type And L TypeType And L TypeUnbalanced Unbalanced TypeTypeDimentionsDimentionsFrequency RangeFrequency RangeCircuit TypeCircuit Type10,000 (Reciprocating Motion 110,000 (Reciprocating Motion 1 10dB)10dB) (Max.) (50 ) (Max.) (75 ) (Max.) (Max.) (Max.) (Max.)10W (Max.)AttenuationAttenuationdB (MdB (Maxax.))

6 The URA-C series are rotary step attenuators, covering up to DC-1000 MHz frequency. The compact and lightweight design is intended foreasy installation on panels. This model uses highfrequency termination in the pursuit of excellentperformance and usability, and is priced indicators and knobs are available as optionalparts for research and experimental URA-0110YA is a high power model,covering up to DC-1000 MHz frequency withpower capacity of 10 W. It is suitable for terrestrialdigital broadcasting features and applicationsFrequency CharacteristicsModel DescriptionOutline DrawingsAttenuation Step , Attenuation(MAX.)Refer to standardspecifications( )TypeConnectorAttenuation RotaryDirectionI ; Increases Rotated ClockwiseD ; Decreases Rotated ClockwiseImpedance(Only URA-C type)(Only URA-C type)(Only URA-C type)(Only URA-YA type)( ) tamagawa ELECTRONICS CO.

7 , , Kamituchidana-naka,Ayase City,Kanagawa, 252-1113 Japan - 0 1 1 0 C - 50 - BNCJ - I/DDirection LabelOutline DrawingsOutline DrawingsOutline DrawingsOutline DrawingsOutline DrawingsOutline DrawingsOutline DrawingsOutline DrawingsOutline DrawingsModelsModelsModelsModelsModelsMo delsModelsModelsModelsURA-B seriesSRA/URA-Q seriesURA-M seriesURA-C seriesURA-YA seriesNobNobNobNobNobDirection LabelDirection LabelDirection LabelDirection LabelDirection LabelNobs and Direction Labels for Rotary Attenuators as Below Please refer to the outline drawings on 15 pageN2 DRS-13004-IT N2 MRS-1604-ITTAMAGAWA ELECTRONICS CO., 11 23 Kit hidk ACit K252 1113 JT l 81 467 76 2291 FAX 81 467 70 4390 Figure AFigure BFigure CFigure DFigure EFigure FFigure GFigure HOperating Operating Temperature RangeTemperature RangeOutline drawingsTRA series Standard SpecificationsSeriesSeriesCommon SpecificationsCommon SpecificationsPower(Max.)

8 ConnectorsConnectorsAttenuationAttenuati onDirectionDirectionLongevityLongevityWe ightWeightClosedClosedModel DescriptionFor IncreasingFor IncreasingAttenuationAttenuationUnbalanc ed T type AndUnbalanced T type And TypeTypeDimentionsDimentions(mm)(mm)Type TypeConnectorsConnectorsImpedanceImpedan ceC ; 75C ; 75 D ; 50D ; 50 (801 50(801 50 only only)FrequencyFrequencyRangeRange(MHz)(M Hz)ImpedanceImpedance( )PowerPower(W)(W)InsertionInsertionLossL ossdB (Max.)dB (Max.) W D H10,000 cycle10,000 cycleVSWRVSWR(Max.)(Max.)Switching ModeSwitching ModeCircuit TypeCircuit TypeModelsModelsRefer To StandardSpecifications( )NJ(TRA701 801 NJ only)IncrementalAttenuationAttenuationAt tenuationdB (Max.))

9 DB (Max.)Deviation(dB)The TRA series are URA series rotary attenuators inportable cases, covering the range of from DC- 3,000 MHz frequency, and are suitable for standardattenuators. The I/O connectors prepared accordingto the customer s specifications enable the TRA seriesto be used not only as terminal attenuators for circuitadjustment, but also for various applications includinginspection, research and laboratory features and applicationsWeightWeightOutline DrawingsSeriesSeriesTAMAGAWA ELECTRONICS CO., , Kamituchidana-naka,Ayase City,Kanagawa, 252-1113 Japan SpecificationsCommon SpecificationsImpedanceImpedanceInsertio n LossInsertion LossPower(Max.)Power(Max.)

10 ConnectorsConnectorsAttenuation RotaryAttenuation RotaryDirectionDirectionOperating TemperatureOperating TemperatureRangeRangeLongevityLongevityM odel DescriptionFor IncreasingFor IncreasingAttenutionAttenution5050 ( (Unbalanced) 75 Unbalanced) 75 ( (UnbalancedUnbalanced)DimentionsDimentio nsTypeConnectorConnectorImpedanceImpedan ceAttenuation(Max.)Attenuation(Max.)Devi ationFrequency RangeFrequency Range10,000 cycles10,000 cyclesIncremental Attenuation0 1dB (Max.)0 11dB (Max.)0 91dB (Max.)0 (Max.)0 9dB (Max.)0 81dB (Max.) (Max.)1dB (Max.)NCJ(at 75 )C ; 75C ; 75 (Unbalanced) (Unbalanced)D ; 50D ; 50 (Unbalanced)(Unbalanced)The TRA-601/602 series are case-housing variableattenuators, covering up to DC-300 MHz (TRA-601)or DC-1000 MHz (TRA-602) frequency.)