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MT9174AP Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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MT9174AP Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 22 page  9-137 9-137 ® Features • Receive sync output pulse • Full duplex transmission over a single twisted pair • Selectable 80 or 160 kbit/s line rate • Adaptive echo cancellation • Up to 3km (9173) and 4 km (9174) loop reach • ISDN compatible (2B+D) data format • Transparent modem capability • Frame synchronization and clock extraction • MITEL ST-BUS compatible • Low power (typically 50 mW), single 5V supply Applications •TDD Digital PCS (DECT, CT2, PHS) base stations requiring cell synchronization • Digital subscriber lines • High speed data transmission over twisted wires • Digital PABX line cards and telephone sets • 80 or 160 kbit/s single chip modem Figure 1 - Functional Block Diagram DSTi/Di CDSTi/ F0/CLD C4/TCK F0o/RCK MS0 MS1 MS2 RegC DSTo/Do CDSTo/ CDo Transmit Interface Prescrambler Scrambler Control Register Transmit/ Clock Receive Timing & Control Status Transmit Timing Master Clock Phase Locked Sync Detect Receive DPLL Receive Interface De- Prescrambler Descrambler Differentially Encoded Biphase Receiver Differentially Encoded Biphase Transmitter Transmit Filter & Line Driver Receive Filter -1 +2 MUX Address Echo Canceller Error Signal Echo Estimate VBias VDD VSS VBias VRef LOUT LOUT DIS Precan LIN OSC2 OSC1 — + ∑ CDi RxSB ISSUE 2 March 1997 Description The MT9173 (DSIC) and MT9174 (DNIC) are functionally identical to the MT9171/72 except for the addition of one feature. The MT9173/74 include a digital output pin indicating the temporal position of the received "SYNC" bit of the biphase transmission. This feature is especially useful for systems such as PCS wireless base station applications requiring close synchronization between microcells. The MT9173 and MT9174 are identical except for the MT9173 having a shorter loop reach. The generic "DNIC" will be used to reference both devices unless otherwise noted. The MT9173/74 are fabricated in Mitel’s ISO2-CMOS process. Ordering Information MT9173AE 24 Pin Plastic DIP (300mil) MT9173AN 24 Pin SSOP MT9173AP 28 Pin PLCC MT9174AE 24 Pin Plastic DIP (300 mil) MT9174AN 24 Pin SSOP MT9174AP 28 Pin PLCC -40 °C to +85°C MT9173/74 Digital Subscriber Interface Circuit with RxSB Digital Network Interface Circuit with RxSB ISO2-CMOS ST-BUS ™ FAMILY |
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Similar Description - MT9174AP |
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