1 ? 1000 mhz 5 - bit digital attenuator hbh microwave gmbh, helmholtzstr 9, 76297 stutensee, germany internet: http://www.hbhmw.com email: info@hb hmw.com phone +49 - 7244 - 6098490 fax +49 - 7244 - 6098489 date: 02/10/2003 h b h microwave gmbh HT1001 general description the ht 1 001 is a ttl - controlled 5 - bit attenuator in a low cost s ma package. covering 1 mhz to 1000 m hz, the typical insertion loss is less than 2.0 db. the attenuator offers a total attenuation range of 31 db with 1 db s tep size. the attenuator operates with a single voltage of - 5v. the attenuation steps are controlled by ttl signals. the device operates from ? 40c to +85c. electrical performance typical data @25 c parameter min typ max units frequency range 1 1 000 m hz insertion loss 2.0 2.5 db attenuation range 31 db attenuation steps 1 db return loss "all attenuation states" 10 13 db return loss "off state" 9 12 db input p 0.1db 22 dbm switching 10/90% rf 300 ns temperature range - 40 +85 c dc voltage - 5.0 10% v control voltages 0/5 v package m101 - 2 size 55 x 32 x 11 mm rev. 1.0
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