Product Overview
Our firm is producing and supplying of MT8870 Embedded System to our patrons. The MT8870D/MT8870D-1 is a complete DTMF receiver integrating both the band split filter and digital decoder functions. The filter section uses switched capacitor techniques for high and low group filters; the decoder uses digital counting techniques to detect and decode all 16 DTMF tone pairs into a 4-bit code. External component count is minimized by on chip provision of a differential input amplifier, clock oscillator and latched three-state bus interface. Features a c Complete DTMF Receiver a c Low power consumption a c Internal gain setting amplifier a c Adjustable guard time a c Central office quality a c Power-down mode a c Inhibit mode
Our firm is producing and supplying of MT8870 Embedded System to our patrons. The MT8870D/MT8870D-1 is a complete DTMF receiver integrating both the band split filter and digital decoder functions. The filter section uses switched capacitor techniques for high and low group filters; the decoder uses digital counting techniques to detect and decode all 16 DTMF tone pairs into a 4-bit code. External component count is minimized by on chip provision of a differential input amplifier, clock oscillator and latched three-state bus interface. Features a c Complete DTMF Receiver a c Low power consumption a c Internal gain setting amplifier a c Adjustable guard time a c Central office quality a c Power-down mode a c Inhibit mode
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