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. Stripline Mounting Fixed Attenuators AT-2300 Series Features 1. Wide Range of Variations for Each Type of Attenuator Attenuation levels available in 1 dB steps from 0 to 6 dB and from 8 to 10 dB, and 20 dB for a total of 11 types of variations. Product Specifications Ratings Frequency range DC to 2.5GHz (Note) Characteristic impedance 50 o Maximum input power 1W Operating temperature -10c to +65c Operating humidity 95% max. Note: DC to 600MHz for AT-2320. Item Requirement Conditions Frequency of 10 to 2000 Hz, overall amplitude of 1.5mm, 1.Vibration acceleration of 98m/s2, 2 hours in each of the 3 directions. No electrical discontinuity of 1 or more. 2.Shock Acceleration of 490m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis. No damage, cracks, or parts dislocation. Temperature : -55c / +15c to +35c / +85c / +15c to +35c 3.Temperature cycle Time : 30 / 2 to 3 / 30 / 2 to 3 (Minutes) 5 cycles The test method conforms to MIL-STD-202. Dimensions --------------- Copper Tin-lead plating Ordering information 12 6 AT - 23 01 (40) 3 4 1 AX:Fixed attenuator 0.1 2 (0.74) 1 *Each attenuator is supplied in individual package Ground terminals 3dB E 1 00-(0) : 0 dB (Through) 01 : 1dB 06 : 6dB 0.8 2 Series name :2300 Series 3 Attenuation 3 4.8 Tab 3 1.1 Metal film 1 Attenuation element AT-2303 shown 2.8 Finish 0.8 Material 0.9 Component (0.64) Materials / Finishes 4 (40): RoHS Compliant 86 04/2009 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. AT-2300 Series SeriesStripline Mounting Fixed Attenuators Specifications Attenuation (dB) V.S.W.R(Max) Part number DC~ 1,000~ 1,500~ 1,000MHz 1,500MHz 2,500MHz Mounting surface Characteristic Power DC~2,500MHz Impedance (o) (W) temperature (c Max.) at time of maximum input power Weight (g) AT-2300-(0)(40) 0+0.3 0 0+0.5 0 1.2 50 1 +85 0.2 AT-2301(40) 10.3 10.5 1.2 50 1 +85 0.2 AT-2302(40) 20.3 20.5 1.2 50 1 +85 0.2 AT-2303(40) 30.3 30.5 1.2 50 1 +85 0.2 AT-2304(40) 40.3 40.5 1.2 50 1 +85 0.2 AT-2305(40) 50.3 50.5 1.2 50 1 +85 0.2 AT-2306(40) 60.3 60.5 1.2 50 1 +85 0.2 AT-2308(40) 80.3 80.5 1.2 50 1 +85 0.2 AT-2309(40) 90.3 90.5 1.2 50 1 +85 0.2 AT-2310(40) 100.3 1.2 50 1 +85 0.2 1.2(DC~600MHz) 50 1 +85 0.2 AT-2320(40) 100.5 100.7 201.5(DC~600MHz) Typical data AT-2303(40) AT-2310(40) (dB) 1.75 (dB) 8.75 2.00 9.00 2.25 9.25 2.50 ATTENUATION 9.50 ATTENUATION 2.75 9.75 3.00 10.00 3.25 10.25 3.50 10.50 3.75 10.75 4.00 11.00 4.25 0.0 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 11.25 0.0 1.0 1.5 2.0 2.5 3.0 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 Frequency(GHz) 1.50 1.50 1.45 1.45 1.40 1.40 1.35 1.35 1.30 1.30 1.25 1.25 VSWR VSWR 1.20 1.20 1.15 1.15 1.10 1.10 1.05 1.05 1.00 0.0 0.5 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 1.00 0.0 0.5 87 04/2009 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.Fixed Please check the products status on the Hirose website RoHS search at www.hirose-connectors.com, or contact your Hirose sales representative. AT-2300 Series SeriesStripline Mounting Attenuators Recommended Mounting Pattern Grounding Pattern 1~1.8mm AT-2300(40) attenuation 50o Line L * The dotted line portion indicates the position of the pattern. High temperature solder Soldering area AT-2300(40) attenuation Soldering area Tab Pattern Tab Substrate Housing * Set interval L of the signal pattern to 6 mm and interval S of the signal pattern and ground pattern to 1 to 1.8 mm. * Press the red seal onto the microstrip line surface and solder the tab. * Tab Soldering Conditions Soldering iron tip temperature: 260 to 290c Time: Within 5 seconds * Note that althrough the high frequency characteristics will be somewhat degraded, please attach the tab with some slack in order to improve the thermal reliability. 88 04/2009