宽带AB级混合耦合放大器(470-860 MHz)与两个均衡晶体管BLV57APPLICATION NOTE
A wide-band class-AB hybrid coupled amplifier (470 860 MHz) with two balanced transistors BLV57
NCO8205
Philips Semiconductors
A wide-band class-AB hybrid coupled amplier Application Note (470 860 MHz) with two balanced transistors BLV57 NCO8205
CONTENTS 1 2 3 3.1 3.2 3.3 3.4 3.5 4 4.1 4.2 5 SUMMARY INTRODUCTION DESIGN OF THE AMPLIFIER General remarks Bias circuit Some properties of the BLV57 Input and output circuit Hybrid coupled amplifier MEASURED PERFORMANCE Gain and return losses Output power CONCLUSION
1998 Mar 23
2
Philips Semiconductors
A wide-band class-AB hybrid coupled amplier (470 860 MHz) with two balanced transistors BLV57
1 SUMMARY
Application Note NCO8205
For application in TV transmitters in band 4/5 a wideband linear power amplifier has been……
