BLV857晶体管、适用于IV V波段TV变换器的12W线性宽带放大器APPLICATION NOTE A linear broadband 12 W amplifier for band IV/V TV transposers based on the BLV58 AN98028 Philips Semiconductors A linear broadband 12 W amplier for band IV/V TV transposers based on the CONTENTS 1 2 3 4 5 6 7 8 9 10 11 ABSTRACT INTRODUCTION GENERAL CONSIDERATIONS AMPLIFIER DESCRIPTION LOAD NETWORK DESIGN INPUT NETWORK DESIGN BIASING AMPLIFIER TUNING AMPLIFIER PERFORMANCE CONCLUSION LIST OF COMPONENTS BLV58 BROADBAND AMPLIFIER Application Note AN98028 1998 Mar 23 2 Philips Semiconductors A linear broadband 12 W amplier for band IV/V TV transposers based on the BLV58 1 ABSTRACT Application Note AN98028 A broadband linear amplifier design is presented, suitable for application in TV transposers operating in bands IV and V (470 860 MHz). The design is based on a ……