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
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.