HE413B B O WEI Voltage Variable Attenuators BOWEI INTEGRATED CIRCUITS CO.,LTD. Typical Performance Attenuation VS. Frequency 0 15V 1.5V Attenuation(dB) 10 Features ●Thin film coustraction ●Hermetic package TO-8B ●Operating temperature range: -55℃ ～+85℃ 0.8V 0.7V 0V 20 30 40 50 60 70 0 400 800 1200 1600 2000 Frequency(MHz) Specifications( measured in a 50Ωsystem ,Vcc=+15V, TA=-55℃～+85℃) Parameter Unit Frequency Range fL～fH MHz 20～2000 Attenuation(Max) AMax dB 20 22 Insertion loss IL dB 2. 7 2. 4 – 2.0:1 1.5: 1 VSWR of input/output VSWR DC Supply VCC DC Current ICC Control voltage VCO ICO Control Current VSWR VS .Frequency Typical Guaranteed 2.2 – – V mA – 14 V – 0～15 mA – 0～7 2.0 1.8 VSWR Symbol +15 1.6 1.4 VSWRi 1.2 VSWRo 1.0 0 400 800 1200 1600 2000 Frequency(MHz) Attenuation VS. Temperature Absolute Maximum Ratings 5 DC Supply: +18VDC Input Power:+20dBm Storage Temp:+125℃ 1 2 4 3 TO- 8B Attenuation(dB) 0 6 1.5V 12 Application Notes 4 HExxx 3 1.VCC 2.RF input 3.GND 4.RF output 5.VCO 400 800 1200 1600 2000 Frequency(MHz) Attenuation VS.Control voltage 0 f=2000MHz Attenuation(dB) 5 2 Ta=+25℃ Ta=+85℃ Ta= - 55℃ 0 1.Functional schematic shown as following,which include an internal coupling capacitor. 2.Interexchangable input and output ports 3 .See assembly section for mounting method 1 1V 18 10 20 30 0 3 6 9 12 15 Control voltage(V) ● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:[email protected] 11