Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual 1. Introduction This document describes the functionality of the HMC900LP5E 6th order Low Pass Filter Evaluation Kit, and provides high level instructions for using the Kit. This kit includes PC compatible software that generates a Graphical User Interface (GUI) allowing the user to read from and write to all device registers, set gain levels, program filter bandwidth and save &...
Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual 3. Setup and Installation 3.1 User Provided Equipment In addition to the items provided in the Kit, the user must provide the following equipment to communicate with HMC900LP5E under test. • DC Power Supply •...
Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual 4. Hardware Setup Setup all hardware according to Figure 1. • Connect USB board to HMC900LP5E Eval board. • Connect the USB cable to USB board. • Apply +5.5 V to TP1 (TP2 is GND) on (HMC900LP5E) Eval board. Supply current should be ~150 mA.
Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual 4.1.2 Single-Ended Inputs/Outputs Configuration Hardware board changes are required to configure the HMC900LP5E Evaluation Board for single-ended operation 4.1.2.1 Single-Ended Input Configuration To configure the HMC900LP5E Evaluation Board for single-ended input operation, 0 Ω resistors R41, R42, R45, R46 need to be removed, and the following components need to be populated: •...
Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual Figure 5. HMC900LP5E Evaluation Board Single-Ended Output Configuration 4.2 HMC900LP5E Evaluation Board Interface to Test Equipment To provide seamless interface to standard off-the-shelf test equipment, the HMC900LP5E Evaluation Board has an on-board impedance matching network shown in Figure 3 and Figure 5 for differential and single-ended output configuration respectively.
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Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual Figure 6. Hittite LPF Product Selection Window 2. From this window select the HMC900LP5E from the drop down menu and press “Done” and the following window appears. Figure 7.HMC900LP5E Main GUI Order On-Line: www.hittite.com.
Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual 7. Using HMC900LP5E Evaluation Software The GUI features three main areas: • Quick Setup • Direct SPI access/ Direct Register access • Ability to save or load complete register files 7.1 Quick Setup The Quick Setup Menu allows the user to quickly: •...
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Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual • Enabling I and/or Q channel and setting the HMC900LP5E to 10dB gain mode are accomplished by checking the appropriate box directly. • Setting the filter bandwidth without running a calibration is accomplished by choosing one of the selected bandwidths in the pull down menu and pressing the “Set Bandwidth”...
Rev. A - v00.0411 HMC900LP5E Evaluation Kit User Manual 7.2 Direct Register Access/Direct SPI Access • Press the “Open HMC900LP5E GUI” button to display the detailed bit settings of the internal registers, shown in the following figure. Refer to the datasheet for register and bit descriptions.
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