VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR

General Description The AM4DD1707 is very low cost voice synthesizer with 4-bit microprocessor. It has various features including 4-bit ALU, ROM, RAM, I/O ports, timers, clock generator, watchdog timer(WDT), voice synthesizer, etc. It consists of 22 instructions in the device. With CMOS technolog

VERY LOW-COST VOICE SYNTHESIZER WITH 4-BIT MICROPROCESSOR

12-BIT MULTIPLAYING DIGITA-TO-ANALOG CONVERTER

12-bit Μltiplying Digital-to-Analog Converter

12-BIT MULTIPLAYING DIGITA-TO-ANALOG CONVERTER

12-bit Μltiplying Digital-to-Analog Converter

12-BIT MULTIPLAYING DIGITA-TO-ANALOG CONVERTER

12-bit Μltiplying Digital-to-Analog Converter

PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER AUTOMOBILE APPLICATION

The µPD17012GF-058 is a CMOS LSI chip designed for use in FM/MW/LW tuners utilizing a PLL frequency synthesizer design for worldwide applications. The device incorporates a PLL frequency synthesizer controller, prescaler, and frequency counter. The device enables detachable stereo systems, a