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User's Guide
SLOU401A–October 2014–Revised March 2015
LMH5401EVM Evaluation Module (EVM)
The LMH5401EVM is an evaluation module for the single LMH5401 amplifier in a 14-lead high-
performance RF package. This evaluation module is designed to quickly and easily demonstrate the
functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test
instruments through the use of onboard connectors. The EVM comes configured for easy connection with
common 50-Ω laboratory equipment on its inputs and outputs. The amplifier is configured for single-ended
input with gain of 12 dB (4 V/V). The board has differential outputs, one for each of the amplifier outputs. It
can be easily configured for differential inputs, and single- or split-supply operation.
Contents
1 Features....................................................................................................................... 2
2 EVM Specifications.......................................................................................................... 2
3 Power Connections.......................................................................................................... 3
3.1 Split-Supply Operation ............................................................................................. 3
3.2 Single-Supply Operation........................................................................................... 3
4 Input and Output Connections ............................................................................................. 3
4.1 CM (Output Common Mode Voltage) Input ..................................................................... 3
4.2 PD (Power Down) Input............................................................................................ 3
4.3 Single-Ended Inputs................................................................................................ 3
4.4 Differential Inputs ................................................................................................... 4
4.5 Differential Outputs ................................................................................................. 4
4.6 Single-Ended Outputs.............................................................................................. 4
5 LMH5401EVM Schematic, Layout, and Bill of Materials ............................................................... 5
5.1 Schematic............................................................................................................ 5
5.2 LMH5401EVM Layers.............................................................................................. 6
5.3 Bill of Materials...................................................................................................... 9
List of Figures
1 LMH5401EVM Board........................................................................................................ 2
2 LMH5401EVM Schematic .................................................................................................. 5
3 LMH5401EVM Top Layer................................................................................................... 6
4 Layer 2 ........................................................................................................................ 6
5 Layer 3 ........................................................................................................................ 7
6 Layer 4 ........................................................................................................................ 7
7 Layer 5 ........................................................................................................................ 8
8 Bottom Layer ................................................................................................................. 8
List of Tables
1 LMH5401EVM Bill of Materials............................................................................................. 9
1
SLOU401A–October 2014–Revised March 2015 LMH5401EVM Evaluation Module (EVM)
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