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APC78172 Datasheet Annex B Apc78172dt Annex B. Dt

Manufacturer: Bel Fuse

Overview: APC78172 ANNEX B APC78172DT ANNEX B. DT (DEUTSCHE TELEKOM) APC78172.

Datasheet Details

Part number APC78172
Manufacturer Bel Fuse
File Size 181.85 KB
Description ANNEX B APC78172DT ANNEX B. DT
Datasheet APC78172_BelFuse.pdf

General Description

Rx Filter HPF Tx Filter BPF Passband Frequency 280 kHz to 1 MHz 130 kHz to 276 kHz Stopband Frequency 0 to 276 kHz 0 to 125kHz Insertion Loss dB max -10 16 Return Loss dB min -15 -15 Attenuation dB min -40 -40 * Trans Hybrid loss through TX/RX > 20dB BLOCK DIAGRAM RX� TER� FIL� TIP� CMC� RING� TFMR� HYBRID� AFE� CHIP� (EXTERNAL)� TX� FIL� TER� APC78172� NOTES: ALL TRACES BETWEEN APC PINS 10 AND 14 AND ELANTEC LINE DRIVER PINS 3 AND 5 RESPECTIVELY MUST BE KEPT SYMMETRICAL, PARALLEL AND EQUIDISTANT.

APP DIAGRAM SHOWS LOCATION OF 2 X 820pF CAPACITORS TO BE ADDED EXTERNALLY.

APC78172 APPLICATION DIAGRAM Pin No.

Key Features

  • APC78172 is designed to interface with Alcatel’s MTC20156 ADSL/ISDN transceiver chipset to optimize the customer premises equipment (CPE) designs. The hybrid contains components required between the analog front end chip and the Telco connector, including the line interface transformer, common mode choke, line protection circuitry and transmit and receive filters. Excludes line driver and input capacitors (see note 2) Pin compatible with Annex A module APC78106 1500V line isolation tra.

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