Variable attenuator VA103 Product Features Application • Pin diode based • Voltage variable • High Linearity • SMD Type • Repeater • RF Sub-Systems • Base Station Package Type: HY-1 ELECTRICAL CHARACTERISTICS Absolute Minimum and Maximum Ratings PARAMETER UNIT MIN MAX Reference Voltage VDC +3V RF Input Power dBm 30 Storage Temperature ℃ -40 +125 Operating Ranges PARAMETER UNIT MIN TYP MAX Operating Frequency MHz 3000 - 4000 Reference Voltage VDC - +3V Control Voltage VDC +1.2V +10V Electrical Specifications (Ta=+25℃, Vcc=+3V, F=3500MHz) PARAMETER UNIT MIN(1.2V) TYP(4.5V) MAX(10V) Attenuation dB 17 3.3 2.2 Input Return Loss dB -12 -16 -17 Output Return Loss dB -19 -17 -16 IIP3 dBm 46 44 45 Input P1dB dBm Current mA 30 0 10 28 Functional Diagram ▪ Tel: 82-31-250-5011 ▪ [email protected] ▪ All specifications may change without notice. ▪ Version 5.3 VA103 Variable attenuator Typical Performance Data (Vcc=3V, f=3500MHz) Control Voltage 1.2V 2.5V 4.5V 7.0V 10V Attenuation(dB) 17 9.2 3.3 2.8 2.2 Return Loss(dB) -12 -19 -16 -16 -17 IIP3 (dBm) 46 44 44 44 45 Current (mA) 0 4 10 18 28 Return Loss vs. Control Voltage Current vs. Control Voltage 18 16 14 0 R e t u r n L o ss ( d B ) Atte n u ation ( dB) Attenuation vs. Control Voltage 12 10 8 6 4 2 0 1.0V 2.5V 4.5V 7.0V -5 -10 -15 -20 -25 1.0V 10V C o n tr o l V o l ta g e ( V ) 2.5V 4.5V 7.0V 10V C o n tr o l V o l ta g e ( V ) Current vs. Control Voltage IIP3 vs. Control Voltage 50 30 45 IIP 3 ( d B m ) C urrent( mA) 25 20 15 10 40 35 5 0 1.0V 2.5V 4.5V 7.0V C o n tr o l V o l ta g e ( V ) ▪ Tel: 82-31-250-5011 ▪ [email protected] 10V 30 1.0V 2.5V 4.5V 7.0V 10V C o n tr o l V o l ta g e ( V ) ▪ All specifications may change without notice. ▪ Version 5.3 Variable attenuator VA103 Package Dimensions (Type : HY-46) Pin No. Function Pin No. Function 1 Input 1 4 Vcc+3V 2 Ground 5 Ground 3 Control 6 Output 1 Recommended Pattern RFHIC Corporation (RFHIC) reserves the right to make changes to any products herein or to discontinue any product at any time without notice. RFHIC do not assume any liability for the suitability of its products for any particular purpose, and disclaims any and all liability, including without limitation consequential or incidental damages. The product specifications herein expressed have been carefully checked and are assumed to be reliable. However, RFHIC disclaims liability for inaccuracies and strongly recommends buyers to verify that the information they are using is current before placing purchase orders. RFHIC products are not intended for use in life support equipment or application where malfunction of the product can be expected to result in personal injury or death. Buyer uses or sells such products for any such unintended or unauthorized application, buyer shall indemnify, protect and hold RFHIC and its directors, officers, stockholders, employees, representatives and distributors harmless against any and all claims arising out of such use. RFHIC’s liability under or arising out of damages, claims of whatsoever kind and nature which RFHIC products could cause shall be limited in amount to the net purchase price of the products sold to buyer by RFHIC. ▪ Tel: 82-31-250-5011 ▪ [email protected] ▪ All specifications may change without notice. ▪ Version 5.3