PRL-454LV, 1:4 LVDS Fanout Buffer

Applications:

• 1:4 LVDS Fanout Buffer and Line Driver
• Clock Distribution
• Converting Universal Differential Signals, LVPECL*, NCML, and RS422 Inputs to LVDS Outputs
• High Speed Digital Communications Systems Testing
• Satellite Telemetry/Ground Station System Integration

Features:

• Clock Frequencies to 400 MHz
• Floating 100 Ω Universal Differential Input Accepts LVDS, LVPECL*, NCML, NECL, or RS422 Signals
• 300 mVPP minimum Differential Input Swing
• 2.7 ns Propagation Delay Time typical
• 4 Pairs of Complementary LVDS Outputs
• 300 ps Channel to Channel Skew, typical
• SMA I/O Connectors
• Operates from single +8 to +12 VDC power supply with only 150mA max.
• Self-contained 1.3 x 2.9 x 2.9-in. unit includes ±8.5V/1.8A AC/DC Adapter

Description

The PRL-454LV is a 1:4 LVDS fanout buffer and line driver. The floating 100 Ω universal differential input will receive LVDS, LVPECL*, NCML, or RS422 inputs with at least 300 mVPP differential input swing. Therefore the PRL-454LV can also be used to translate many different differential signal types to LVDS.

The four pairs of complementary outputs are designed for driving floating 100 Ω loads, normally the configuration used in LVDS input circuits. The differential output swing is typically 300 mV with a common mode voltage of 1.0. All output connectors are SMA.

The simple power supply requirements, +8 to +12 VDC/150 mA, allow the PRL-454LV to be used in many low power, portable applications in the field as well as in the lab.

The PRL-454LV-SMA is supplied with a ±8.5 V/1.8 A AC/DC adapter and housed in a 1.3 x 2.9 x 2.9-in. extruded aluminum enclosure. The PRL-454LV-SMA may also be ordered without the power supply as part number PRL-454LV-SMA-OEM. A maximum of four units can share the included PRL-760E AC/DC adapter using additional units of cable #88000102-4. If mounting is desired, a pair of the #35001420 mounting brackets can accommodate any two PRL modules of the same length.

*LVPECL drivers must have internal pull-down resistors to drive the floating load of the PRL-454LV. For translating LVPECL signals that lack internal pull-downs, use PRL-426LP, 2 Ch. LVPECL to LVDS Translator, with VTT/1.3 V LVPECL input terminations.