1 rotary attenuators (sma type) m-at series new 2004.11 overview high reliability rotary attenuator for adjusting the signal level in variety of high frequency devices. features 0 1. ease of mounting in high-density applications small size and light weight allows side-by-side panel mounting of several attenuators. 0 2. supports a frequency range from dc to 3ghz used over a wide bandwidth with usable frequencies from dc to 3ghz. 0 3. easy connection the output / input connectors (sma jacks) face back, allowing connection/disconnection after the attenuator has been mounted to the panel. 0 4. two attenuation directions. standard m-at-1l attenuators are offered as clockwise or counter-clockwise types. 0 5. availability of custom requirements attenuators can be modified to fit specific requirements (example: attenuation steps, connector type ) contact nearest hirose electric sales representative for details. application w-cdma base stations and a wide variety of high frequency devices. space-saving design (miniature and lightweight) 36.6 mm (1.44 inches) 50.4 mm (1.98 inches) 15.0 mm (0.59 inches) the product information in this catalog is for reference only. please request the engineering drawing for the most current and accurate design information. all non-rohs products have been discontinued, or will be discontinued soon. please check the products status on the hirose website rohs search at www.hirose-connectors.com, or contact your hirose sales representative.
ratings 2 series name suffix connector direction l : face the back attenuation direction blank : clockwise r : counterclockwise specification item 1. insulation resistance 2. withstanding voltage 3. vibration 4. shock 5. temperature cycle 6. durability 7. humidity conditions 1000m? min. no flashover or insulation breakdown. no electrical discontinuity of 10 s max. no damage, cracks, or parts dislocation. no electrical discontinuity of 10 s max. no damage, cracks, or parts dislocation. no damage, cracks, or parts dislocation. no damage, cracks, or parts dislocation. no damage, cracks, or parts dislocation. 100v dc 100v ac / one minute frequency: 10 to 55 hz, overall amplitude of 1.5mm, acceleration of 98m/s 2 , 3 axis, 2 hours acceleration of 490m/s 2 , sine half-wave waveform, 3 cycles / each of 3 axis temperature(?) :-55 / +5 to +35 / +85 / +5 to +35 time(minutes) : - 30 / + 5 max. / + 30 / + 5 max. 100 cycles 10000 cycles 500 hours at temperature of 40? and humidity of 90% to 95% rh part number cl no. attenuation m-at-1l r M-AT-1LR m-at-2l r 361-0019-3 361-0024-3 361-0025-6 0 to 10 db (in 1 1 db increments) 0 to 10 db (in 1 1 db increments) 0 to 20 db (in 10 db increments) attenuation direction clockwise counterclockwise clockwise product specifications part number item insertion loss v. s. w. r. attenuation attenuation frequency deviation input/output connectors weight m-at-1l M-AT-1LR m-at-2l 0.2 db max. (dc-2.2 ghz) 0.28db max. (2.2 ghz- 3.0 ghz) 1.2 max. (dc-2.2 ghz) 1.25 max. (2.2 ghz- 3.0 ghz) 0 to 10db (in 1 db increments) 0 to 20db (in 10 db increments) -0.5db to +0.1db(dc to 1.8ghz) -1.0db to +1.0db(dc to 2.2ghz) -0.2db to +0.2db(1.8ghz to 3.0ghz) -0.5db to +1.5db(2.2ghz to 3.0ghz) -0.1db to +0.5db(2.2ghz to 3.0ghz) sma jack 28g (excluding attachment) frequency range characteristic impedance maximum input power dc to 3ghz 50? 0.3w -10? to +65? relative humidity 90% max. (no condensation) operating temperature range operating humidity ordering information - r l 1 m-at 3 4 2 1 1 2 4 3 materials and finish body connector body female contacts rotary switch body shaft aluminum stainless steel beryllium copper zinc brass nickel plated passivated gold plated chromate nickel plated component material finish the product information in this catalog is for reference only. please request the engineering drawing for the most current and accurate design information. all non-rohs products have been discontinued, or will be discontinued soon. please check the products status on the hirose website rohs search at www.hirose-connectors.com, or contact your hirose sales representative.
3 rotary attenuators nut * flat washer * knob * r6.50.1 ?2.50.1 5 ?80.1 outline of the attenuator 15 50.4 30.4 20 8 22.8 11.6 6.8 m70.75 1.5 36.6 23.4 ?30.1 3.3 5 r6.5 ?2 ?10.5 11 2 0.5 ?7.1 m70.75 a m3 p=0.5 ?14 13 white line b recommended panel cutout nut flat washer panel thickness: 2.0mm to 4.5 mm supplied separately (1bag contains 1 pcs.) the product information in this catalog is for reference only. please request the engineering drawing for the most current and accurate design information. all non-rohs products have been discontinued, or will be discontinued soon. please check the products status on the hirose website rohs search at www.hirose-connectors.com, or contact your hirose sales representative.
4 the contents of this catalog are current as of date of publication. contents are subject to change without notice for the purpo se of improvements. the contents of this catalog are current as of date of publication. contents are subject to change without notice for the purpo se of improvements. the contents of this catalog are current as of date of publication. contents are subject to change without notice for the purpo se of improvements. 5-23,osaki 5-chome,shinagawa-ku,tokyo 141-8587,japan phone: 81-3-3491-9741, fax: 81-3-3493-2933 http://www.hirose.com http://www.hirose-connectors.com m-at-2l frequency[ghz] insertion loss[db] v.s.w.r. insertion loss 0 0.1 0.2 0.3 1.3 1.2 1.1 1 01 2 3 frequency[ghz] attenuation[db] 0 1 2 3 4 5 6 7 8 9 10 11 0123 frequency[ghz] insertion loss[db] v.s.w.r. insertion loss 0 0.1 0.2 0.3 1.3 1.2 1.1 1 01 2 3 m-at-1l typical data frequency[ghz] attenuation[db] 0 5 10 15 20 25 01 23 v.s.w.r. v.s.w.r. insertion loss insertion loss the product information in this catalog is for reference only. please request the engineering drawing for the most current and accurate design information. all non-rohs products have been discontinued, or will be discontinued soon. please check the products status on the hirose website rohs search at www.hirose-connectors.com, or contact your hirose sales representative.
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