Maker : Hirose Electric
Part No. : P-AT-8(26.5-70)A

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Product Information

Programmable Attenuators P-AT Series sFeatures 1. Used for frequencies from DC to 26.5GHz (max.) Input/output couplings utilizes Hirose’s HE* connector, which is combination of the internal attenuation elements, provides the required attenuation characteristic. 2. Self-disconnecting The drive current will automatically switch off after setting the attenuation. 3. Automatic return In the event of sudden shock the attenuation will quickly return to the pre-set level. sApplications Wide variety of measuring instruments and other devices requiring control of high frequency transmission lines. * HE connector will mate with K type connectors * K connector is a trademark of Anritsu Co. sProduct Specifications Ratings Frequency range DC~8GHz(P-AT-6,AP-AT-7) Operating temperate range Operating relative humidity DC~26.5GHz(P-AT-8) -10ç to +75ç(No freezing) 95% Max. Characteristic 1.Vibration 2.Shock Requirements No electrical discontinuity of 1 µs or more No damage, cracks, or parts dislocation Conditions Frequency of 10 to 55 Hz, overall amplitude of 1.5 mm for 2 hours in each of 3 directions Acceleration of 98 m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis 3.Temperature cycle No damage, cracks, or parts dislocation qThe test method conforms to MIL-STD-202. sMaterials and Finishes Component Body Coupling connector body Female contact Material Aluminum Stainless steel Beryllium Copper Finish Conductive alumite Passivated Gold plating sOrdering Information P-AT - 6 ( 8 - 70 ) A 1 1 Series Name 2 Suffix 3 Maximum frequency (GHz) 4 Maximum attenuation (dB) 5 Revised 2 3 4 5 102 sSpecifications Part Number Attenuation Accuracy Frequency V.S.W.R. Attenuation (dB) Range (Max) (dB) (GHz) 5dB 10dB 20dB 40dB DC~8 DC~8 1.35 1.35 0~70 (10dB --- ±0.5 ±0.6 ±1 STEP) 0~75 (5dB ±0.5 ±0.5 ±0.6 ±1 STEP) Insertion Switching Switching Switching Loss Impedance Power Operating Weight Current Connectors Volt Time (Each Section) (dB) (ohms) (W) Life (g) (DC V) (ms)(Max) (mA) (Max) 1.5 50 1(CW) +24 120+200 ∞3 section 160+200 ∞4 section P-AT-6(8-70)A P-AT-7(8-75)A 20 2∞106 HE 250 1.5 50 1(CW) +24 20 2∞106 HE 300 1.4 DC 12GHz 0~70 (10dB P-AT-8(26.5-70)A DC~26.5 1.7 STEP) (12 26.5GHz) --- Ref table 1 0.55+ 0.06∞f(GHz) 50 1(CW) +24 120+200 ∞3 section 20 2∞106 HE 240 Frequency Range DC~8 8~12 12~20 20~26.5 Attenuation Accuracy(dB) ±0.3 ±0.5 ±0.6 ±0.7 ±0.8 ±1.0 ±1.1 ±0.4 ±0.5 ±0.7 ±0.9 ±1.0 ±1.3 ±1.5 ±0.5 ±0.6 ±0.8 ±1.1 ±1.2 ±1.4 ±1.7 ±0.7 ±0.8 ±1.0 ±1.5 ±1.6 ±1.9 ±2.3 sTypical Data P-AT-7(8-75)A 103 sExternal Dimensions P-AT-6(8-70)A 340 Control connector HIF3BA-10D-2.54R 10-conductor flat ribbon cable 9.55 117 97.9 9.55 2-M3∞0.5 4mm deep Opposite side is the same 2-1/4-36UNS-2A 47.1 RF IN Circuit Organization Section Number RF IN 10dB 40dB 20dB 1 2 Through 3 RF OUT (23.15) 51.6 Opposite side is the same (23.15) RF OUT P-AT-7(8-75)A 250 6.9 12.6 22 Control connector HIF3BA-10D-2.54R 10-conductor flat ribbon cable 9.55 142.8 123.7 9.55 2-M3∞0.5 4mm deep Opposite side is the same 47.1 22 2-1/4-36UNS-2A Circuit Organization Section Number RF IN 10dB 40dB 20dB 5dB 1 2 Through 3 4 RF OUT RF IN (23.15) 77.4 Opposite side is the same RF OUT (23.15) 104 6.9 12.6 sExternal Dimensions P-AT-8(26.5-70)A 250 Control connector HIF2B-14-2.54RB 10-conductor flat ribbon cable 90.2 44.5 2-1/4-36UNS-2A 7.7 9 76.2 RF IN 105.9 RF OUT 2-M3∞0.5 6mm deep Opposite side is the same Circuit Organization Section Number RF IN 10dB 40dB 20dB 1 2 Through 3 RF OUT 24 105 KHIF3BA-10D-2.54R KHIF2B-14-2.54RB Contact No. P-AT-6(8-70)A,P-AT-7(8-75)A P-AT-8(26.5-70)A 1 3 5 7 9 1 7 2 4 6 8 10 14 8 BAttenuation Change Contact No.(Connect Ground) Section No. Contact No. 1 P-AT-6(8-70)A 2 1 P-AT-7(8-75)A 2 13 P-AT-8(26.5-70)A 2 White 10dB 9 Brown 40dB 5 20dB ---------White Black 10dB 0dB(Through) 4 3 Purple Gray 40dB 0dB(Through) 6 11 20dB 0dB(T...

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