General DescriptionThe MAX3798 is a highly integrated limiting amplifierand VCSEL driver designed for 1x/2x/4x/8x FibreChannel transmission systems at
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MAX3798Detail DescriptionThe MAX3798 SFP+ transceiver combines a limitingamplifier receiver with loss-of-signal detection and aVCSEL laser driver tran
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controls the output eye-crossing adjustment. A statusindicator bit (TXED) monitors the presence of an ACinput signal.Bias Current DACThe bias current
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MAX37983-Wire Digital CommunicationThe MAX3798 implements a proprietary 3-wire digitalinterface. An external controller generates the clock. The3-wire
MAX37981.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL Driver________________________________________________________
MAX3798Register DescriptionsReceiver Control Register 1 (RXCTRL1)Bit 3: CAZX. When CAZX is set to 0, no external capacitor is required (CAZ1 and CAZ2)
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MAX3798Transmitter Control Register (TXCTRL)Bit 3: TXDE_EN. Enables or disables the transmit output deemphasis circuitry.0 = disabled1 = enabledBit 2:
Bit 2: IBIASERR. When the bias incremented result is greater than IBIASMAX, then a SOFT FAULT is reported. (Seethe Programming Bias Currentsection.)Bi
MAX3798Modulation Current Increment Setting Register (MODINC)Bit 7: SET_IMOD[0]. This is the LSB of the SET_IMOD[8:0] bits. This bit can only be updat
Design ProcedureProgramming Bias Current1) IBIASMAX[7:0] = Maximum_Bias_Current_Value2) SET_IBIASi[8:1] = Initial_Bias_Current_ValueNote: The total bi
MAX3798impromptu deemphasis adjustment, it is recommendedthat the DE_INC (MODINC[5]) bit is used. Use of this bitincrements or decrements the deemphas
MAX37981.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL Driver________________________________________________________
MAX37981.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL Driver________________________________________________________
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MAX37981.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL DriverMaxim cannot assume responsibility for use of any circui
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