Technical content and expertise to help jump start your design and get you to production faster.
Start your designDownload our latest development and embedded software solutions.
Expedite time-to-market with our extensive lineup of development kits.
Jump-start your design with proven hardware and software solutions.
Get the latest specifications in our technical documentation library.
Further your technical expertise with online and in-person instruction.
Get comprehensive paid support to fast-track your product development.
The MC145443B is a silicon-gate CMOS single-chip, low-speed modem containing a complete frequency shift keying (FSK) modulator, demodulator, and filter. This device is compatible with Bell 103 specifications. The MC145443B provides full-duplex or half-duplex 300-baud data communication over a pair of telephone lines. It also includes a carrier detect circuit for the demodulator section and a duplexer circuit for direct operation on a telephone line through a simple transformer.
Test
Test