EQCO62R20.3/EQCO31R20.3 EQCO62R20.3 6.25 Gbps Asymmetric Coax Equalizer/ EQCO31R20.3 3.125 Gbps Asymmetric Coax Equalizer Features Introduction (2) Complies with the CoaXPress v1.1 camera The EQCO62T/R20 chipset is a driver/equalizer (1) standard chipset that forms a bidirectional, full-duplex communication link over a single coax cable. Supports up to 68 meters of cable at 6.25 Gbps using high-quality coax The EQCO62T/R20 chipset is designed to transport up Supports up to 212 meters of cable at 1.25 Gbps to 6.25 Gbps over the downlink channel and to trans- using high-quality coax port 21 Mbps over the uplink channel. The EQCO62T20 is designed to transmit the downlink sig- Single-chip solutions for both the camera side and nal at up to 6.25 Gbps and receive the uplink signal. the frame grabber side, making a bidirectional The EQCO62R20 is designed to receive the downlink connection over a single 75 coax cable signal at up to 6.25 Gbps and to transmit the uplink sig- Full-Duplex, bidirectional data channel nal. Power can be transferred over the same cable via - Downlink speeds from 1.25 Gbps up to 6.25 external inductors. Gbps differential interfacing straightforward The chipset is designed to work with several types of with internal termination resistors 75 coaxial cables, including legacy cables as well as - Uplink supporting 21 Mbps, allowing thin, flexible lightweight cables. nanoseconds precise triggering events driven by the frame grabber Supports power distribution over the coax up to Note 1: CoaXPress V1.1 standard. Free down- 900 mA, powering the camera through the same load from the JIIA website: coax transporting data signals EQCO62R20.3/EQCO31R20.3 Typical Link Performance Table 1, Table 2 and Table 3 give an overview of typical link performance at room temperature for the link containing the EQCO62T20 coax driver in conjunction with the EQCO62R20 receiver, using the downlink channel, uplink channel and power transmission simultaneously. Performance for EQCO62T/R20 and EQCO31T/R20 is equal for bit rates up to 3.125 Gbps. TABLE 1: BELDEN TYPICAL LINK PERFORMANCE Name Belden 7731A Belden 1694A Belden 1505A Belden 1505F Belden 1855A Long Industry Compromise Thinnest Type Flexible Distance Standard Coax Cable Diameter (mm) 10.3 6.99 5.94 6.15 4.03 1.25 Gbps (m) 194 130 107 80 55 2.5 Gbps (m) 162 110 94 66 55 3.125 Gbps (m) 147 100 86 60 55 5.0 Gbps (m) 87 60 52 35 38 6.25 Gbps (m) 58 40 35 23 25 TABLE 2: GEPCO TYPICAL LINK PERFORMANCE Gepco Gepco Gepco Gepco Gepco Name VHD1100 VSD2001 VPM2000 VHD2000M VDM230 Long Industry Compromise Thinnest Type Flexible Distance Standard Coax Cable Diameter (mm) 10.3 6.91 6.15 6.15 4.16 1.25 Gbps (m) 212 140 109 81 66 2.5 Gbps (m) 185 120 94 67 66 3.125 Gbps (m) 169 110 86 61 62 5.0 Gbps (m) 102 66 53 36 38 6.25 Gbps (m) 68 44 35 24 25 (1) TABLE 3: CANARE TYPICAL LINK PERFORMANCE Canare Canare Canare Canare Canare Name L-7CFB L-5CFB L-4CFB L-3CFB L-2.5CFB Long Industry Compromise Thinnest Type Thin Cable Distance Standard Coax Cable Diameter (mm) 10.2 7.7 6.1 5.5 4 1.25 Gbps (m) 165 118 94 72 43 2.5 Gbps (m) 135 98 79 66 43 3.125 Gbps (m) 122 88 71 60 43 5.0 Gbps (m) 71 52 42 36 30 6.25 Gbps (m) 46 34 28 24 20 Note 1: Specifications from Canare are only up to 2 GHz. 5 Gbps and 6.25 Gbps performance are by extrapolation. DS60001302C-page 2 2012-2018 Microchip Technology Inc.