CAT-5 Cable Equalizers

Analog Devices high speed, differential receivers and CAT-5 cable equalizers compensate for the transmission losses of UTP and coaxial cables up to 300 meters in length. Our design techniques for products such as the AD8123 optimize performance for low noise, short-to-medium range applications, while also providing the high gain bandwidth required for long cable equalizations. Various gain stages are summed together to best approximate the inverse frequency response of the cable. Logic circuitry controls the gain functions of the individual stages so that the lowest noise can be achieved at short-to-medium cable lengths.
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CAT-5 Cable Equalizers

CAT-5 Cable Equalizers

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CAT-5 Cable Equalizers

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SortOrderPart#Number of ChannelsBandwidth -3 dB (typ)
(Hz)
Shutdown/DisableOperating Temp RangeAnalog Input TypeIsupply (typ)
(A)
Vsupply span (min)
(V)
Vsupply span (max)
(V)
Iout (typ)
(A)
Prop Delay V p-p (typ)
(s p-p)
Amplifier Primary FunctionUS Price 1000 to 4999
($ US)
1AD8122Reference Circuit Available 3 155M Yes -40 to 85°C Differential 186m 9 11- 10n Cable Line Equalizer $9.90
2AD8124 3 110M Yes -40 to 85°C Differential 256m 9 11- 10n Cable Line Equalizer $5.95
3AD8123 3 120M Yes -40 to 85°C Differential 258m 9 11- 10n Cable Line Equalizer $7.88
4AD8128 1 120M Yes -40 to 85°C Differential 24m 9 11 100m- Cable Line Equalizer $2.62