TEMIC Semiconductors U4276B
The U4276B is a bipolar integrated multipath noise cancellation circuit. It is designed for high performance car radio applications. The fieldstrength signal at FSIN is initially buffered so as not to impair the characteristics of the IF IC and is available at BFSOUT.| Part No. | U4276B |
|---|---|
| Datasheet | U4276B Download |
| Manufacturer |  TEMIC Semiconductors |
| Description | FM Multipath Noise Cancellation |
| Buy | Stock & Price |
DESCRIPTION
FEATURES
D Preparation of the fieldstrength signal D Multipath noise cancellation D Mute function controllable by microcomputer D Suitable for analogue as well as digital processing D Only a few external components necessary Block Diagram BFSOUT 7 2 FSIN Buffer Bandgap VS 6 3 GND 1 AVFS 4 MPXIN Multipath detection Multipath noise cancellation 8 5 MPXOUT 95 10619 MUTE PinDESCRIPTION
Pin 1 2 3 4 5 6 7 8 Symbol AVFS FSIN GND MPXIN MPXOUT VS BFSOUT MUTE Function Average of fieldstrength signal Fieldstrength input Ground Multiplex input signal Multiplex output signal Supply voltage Buffered fieldstrength output External mute input AVFS 1 FSIN 2 GND 3 MPXIN 4 95 10632 8 MUTE 7 BFSOUT 6 VS 5 MPXOUT TELEFUNKEN Semiconductors Rev. A1, 05-Sep-96 1 (8) Preliminary Information U4276B FSIN / BFSOUT VS 40 m A FSIN 94 8647 MPXIN / MPXOUT VS 50 kW MPXIN BFSOUT 50 kW 94 8649 All information about reception conditions is derived from the fieldstrength signal. VS 60 kW VS AVFS MPXOUT 60 kW 2...
