F E AT U R E S MODEL NO. DA0984- 1 10 - 1000 MHz 0.8 mA, +5 VDC 1 dB LSB, 15 dB Range 20 nSec Switching Speed 12 nSec Rise Time TTL Control 12 Pin TO-8 Package See DA0784-1 For Surface Mount Package 4 BIT PART IDENTIFICATION GaAs 4 Section Attenuator 8 dB RF IN/OUT 7 .55 DIA • 4 dB • • 2 dB • • 1 dB • • RF OUT/IN 3 • .20 .25 .60 .018±.002 DIA 12 PLACES .100 TYP 2,4-6,8 9 10 GND +5V CONT 4 8 dB "1" 12 1 11 CONT 3 4 dB "0" 12 CONT 2 2 dB "0" 1 CONT 1 1 dB "0" 45˚ .200 TYP .200 .400 GUARANTEED PERFORM ANCE VSWR I.L. (dB) Parameter 2.2 3.0 2.0 2.5 1.8 2.0 Min Typ Max Units Operating Frequency DC Current Control Type T YP I CA L P E R F OR MA NC E at 25 °C Control Current 10 0.8 TTL High Low Insertion Loss Attenuation LSB Range 1.5 1.4 1.0 1.2 0.5 1.0 0 VSWR 1 4 10 40 100 FREQUENCY (MHz) 0 0 1.9 1 15 ±20 ±20 2.5 1.2/1 50 20 12 48 +54 +38 +9 +14 1.6/1 Accuracy I.L. (dB) 1.6 400 1000 3000 VSWR Impedance Switching Speed Transition (Rise/Fall) Time Switching (Video) Transients Intercept Points 2nd 3rd RF Power Operate No Damage Operating Temperature DA I C O In d u s t r i e s 1000 2.0 -55 +25 30 +6 +10 +23 +85 MHz mA µA µA dB dB dB dB OHMS nSec nSec mV dBm dBm dBm dBm dBm °C Conditions At +5 VDC Supply 4 Line Logic “0” = Thru Logic “1” = Attenuation VIH = +2.7 Volts VIL = 0.5 Volts MHz 1, 2, 4, 8 +0.15 dB +2% of Atten. Setting in dB -0.35 dB +2% of Atten. Setting in dB 50% TTL - 90% / 10% RF 10% / 90% - 90% / 10% RF Peak Value 70 MHz / 50 MHz 35 MHz / 50 MHz 0.1 dB Compression (<50 MHz) 0.1 dB Compression (>50 MHz) TA Rev. C / Iss. 1