Datasheet text preview:
Euro-Optimized Token Ring 16 Pin SMD Line Transceiver Module
Electrical Specifications @ 25°C PCA Part Number
Characteristic Impedance
EPT7020
Supports both STP and UTP Transmission Return Loss 1-5 MHz 10-16 MHz -20 dB Min. -15 dB Min. 24 MHz -8 dB Min.
24 MHz Insertion Loss 12 KHz 16 MHz 32 MHz -3.0 dBMax. -0.8 dB Max. -1.7 dB Max. -7.0 dB Min. Common to Common 100 KHz 20 MHz 200 MHz Mode Rejection -65 dB Min. -30 dB Min. -20 dB Min.
Common to Differential 100 KHz Rejection -70 dB Min.
10 MHz 100 MHz -55 dB Min. -25 dB Min.
Block Diagram for Transmit Interface Unit
4 Phantom A 1 DroutA 3 DroutB Signal Isolation Matching Transformer DC Bias 2 Vcc Phantom Drive Signal Insertion 5 Phantom B 7 Xmit A Filter 6 Gnd EMI Filtering 8 Xmit B
Block Diagram for Receiver Interface Unit
12 PhRetA Gnd 14 RcvinA 16 RcvinB Signal Isolation Matching Transformer Phantom Drive Signal Return 13 PhRetB Gnd Filter 11 Gnd EMI Filtering 9 Rcv A 10 Rcv B
