Analog Devices EVAL-ADF4152HVEB1Z User manual

EVAL-ADF4152HVEB1Z User Guide
UG-963
One Technology Way •P. O. Box 9106 •Norwood, MA 02062-9106, U.S.A. •Tel: [phone] •Fax: [phone] •www.analog.com
Evaluating the ADF4152HV PLL Frequency Synthesizer
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.Rev. 0 | Page 1 of 20
FEATURES
General-purpose evaluation board for the ADF4152HV,
including octave range VCO, loop filter, and TCXO
Contains the ADF4152HV frequency synthesizer (500 MHz to
5 GHz
Contains the ADF5001 prescaler to allow optional connection
of external microwave VCOs without the need for an active
loop filter
Accompanying software allows complete control of
synthesizer functions from a PC
EVALUATION KIT CONTENTS
EVAL-ADF4152HVEB1Z board
CD that includes
Self installing software that allows users to control the
board and exercise all functions of the device
Electronic version of the ADF4152HV data sheet
Electronic version of the EVAL-ADF4152HVEB1Z User Guide
Electronic version of the PLL Software Installation Guide
ADDITIONAL EQUIPMENT
PC running Windows XP or more recent version
Power supply
Spectrum analyzer
Oscilloscope (optional)
DOCUMENTS NEEDED
ADF4152HV data sheet
EVAL-ADF4152HVEB1Z User Guide
PLL Software Installation Guide
REQUIRED SOFTWARE
Analog Devices ADF4152HV family software (Version 4.4.0
or higher)
GENERAL DESCRIPTION
This board is designed to allow the user to evaluate the perfor-
mance of the ADF4152HV frequency synthesizer for phase-locked
loops (PLLs). Figure 1 shows the board, which contains the
ADF4152HV synthesizer, loop filter, voltage controlled oscillator
(VCO) of 1 GHz to 2 GHz octave range and up to 28 V high
tuning voltage, reference temperature controlled crystal oscillator
(TCXO) of 25 MHz frequency for the reference input, power
supply connectors, and a radio frequency (RF) output. The
ADF5001 prescaler allows optional direct connection of external
microwave VCOs without the need for an active loop filter.
The evaluation kit also contains software that is compatible with
Windows® XP and later versions to allow easy programming of
the synthesizer.
The PC must have a USB port to program the device.
EVALUATION BOARD PHOTOGRAPH
Figure 1. EVAL-ADF4152HVEB1Z
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TABLE OF CONTENTS
Features .............................................................................................. 1
Evaluation Kit Contents................................................................... 1
Additional Equipment ..................................................................... 1
Documents Needed.......................................................................... 1
Required Software ............................................................................ 1
General Description ......................................................................... 1
Evaluation Board Photograph......................................................... 1
Revision History ............................................................................... 2
Quick Start Guide............................................................................. 3
Evaluation Board Hardware ............................................................ 4
Power Supplies .............................................................................. 4
Input Signals...................................................................................4
Output Signals ...............................................................................4
Default Operation Settings ..........................................................4
Additional Options .......................................................................4
Phase Noise Measurement ...........................................................5
Evaluation Board Software...............................................................6
Evaluation and Test ...........................................................................8
Evaluation Board Schematics and Artwork...................................9
Bill of Materials............................................................................... 18
Related Links................................................................................... 19
REVISION HISTORY
7/2016—Revision 0: Initial Version

EVAL-ADF4152HVEB1Z User Guide UG-963
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QUICK START GUIDE
Follow these steps to quickly evaluate the ADF4152HV device:
1. Install the Analog Devices ADF4152 family software (see
the PLL Software Installation Guide).
2. Connect the E VA L -ADF4152HVEB1Z board to the PC.
3. Follow the hardware driver installation procedure when it
appears (Windows XP only).
4. Connect the power supplies as follows:
a. 30 V to banana connectors.
b. 5 V to the test point labeled +5V on the board.
5. Run the Analog Devices ADF4152 family software.
6. Select USB board (green) and ADF4152HV in the Select
Device and Connection tab of the software front panel
display window (see Figure 4).
7. Click the Main Controls tab.
8. Update all registers.
9. Connect the spectrum analyzer to one of the following
SMA connectors: VCO_I/O, RFOUT+, or RFOUT−.
10. Connect a 50 Ω termination resistor to each unused
VCO_I/O, RFOUT+, and RFOUT− connector.
11. Measure the results.

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EVALUATION BOARD HARDWARE
The EVAL-ADF4152HVEB1Z schematics are shown in Figure 8,
Figure 9, Figure 10, and Figure 11. The silkscreen of the
evaluation board is shown in Figure 16.
POWER SUPPLIES
Two separate supply voltages are required for the evaluation
board.
•Supply the banana connectors with 30 V. This powers the
LM317LDG regulator, which provides a regulated 29 V to
VP(the charge pump supply of the ADF4152HV) and 12 V
for the DCYS100200-12 VCO supply (VVCO).
•The test point labeled +5V must be supplied with 5 V, as
shown in Figure 7. The 5 V powers high precision, low
noise ADP150AUJZ-3.3 linear regulators to provide 3.3 V
to VDD on the board (which supplies the ADF4152HV AVDD,
DVDD, and SDVDD pins), to VOUT (which supplies the
ADF4152HV pull-up supply of the RF outputs), and to the
ADL5541 buffer, which improves phase frequency detector
(PFD) spur levels at the VCO output.
The D3 LED indicates when the ADF4152HV is powered.
INPUT SIGNALS
The reference signal is necessary for proper operation of the
synthesizer. It can be sourced from a provided TCXO or from
an external generator, which can be connected to the REFIN
edge mount connector. To us e an external reference generator,
it is necessary to remove R101 and R100 to disconnect the
TCXO from the reference input and from the supply. R102 can be
populated with a 50 Ω resistor to adjust the impedance matching
of the evaluation board to the external reference source.
Digital SPI signals are supplied from the Cypress microcontrol-
ler, U6, which is used for communication with the USB port
of the PC.
OUTPUT SIGNALS
All components necessary for local oscillator (LO) generation are
inserted on the board. The PLL is composed of the ADF4152HV
synthesizer, a fourth-order passive loop filter, and the octave range
VCO. The loop filter is inserted between the charge pump output
and the VCO input, as shown in Figure 11. If replacing the VCO, a
VCO in a T package (or similar) must be used. The VCO output is
available at the edge mount SMA connector, VCO_I/O, and the
differential RF output of the device is connected to the
RFOUT+ and RFOUT− edge mount SMA connectors.
A buffer, the ADL5541, is placed between the VCO output and
the ADF4152HV RFIN+ pin, which significantly lowers the PFD
spur levels seen at the VCO output below −110 dBc. If the PFD
spur level measured on the VCO output without a buffer is
sufficient (approximately −80 dBc) or if the output signal is
taken only from the RF output pins of the ADF4152HV and not
from the VCO output, the ADL5541 is not needed and can be
bypassed.
The device is quite sensitive to impedance unbalance. If only
one port of the differential pair is used, the other must be
terminated with a 50 Ω load. The external VCO output must
also be terminated in a 50 Ω load.
DEFAULT OPERATION SETTINGS
This board is shipped with a TCXO that provides a reference
frequency of 25 MHz, a fourth-order low-pass filter with 20 kHz
bandwidth at ICP = 300 μA, and an octave range VCO with a
1 GHz to 2 GHz frequency range. To test the performance of the
device for a different frequency range and a different loop filter, the
relevant components on the board must be changed.
Note that the DCYS100200-12 VCO tuning sensitivity decreases
as the tuning voltage increases (see Figure 2). To maintain a
constant loop filter bandwidth, increase the charge pump value
to the maximum of 384 µA for frequencies greater than
approximately 1.8 GHz.
Figure 2. VCO Tuning Sensitivity (KV) vs. Tuning Voltage for DCYS100200-12 VCO
ADDITIONAL OPTIONS
The VVCO connector can be used as a test point to measure the
supply voltage of the VCO in its default configuration. It can
also be used to provide an external supply for the on-board
VCO; however, if an external supply for VCO is used, Resistor R31
must be removed to disconnect the connector from the output
of the on-board voltage regulator.
External VCO Option
Optionally, an external VCO can be used. In this case, it is
necessary to remove R32 and insert a 0 Ω link at R46 to form a
connection between the loop filter output and the VTUNE
SMA edge mount connector. Remove R31 to disconnect the
on-board VCO from the power supply. Remove Resistor R26 to
disconnect the output of the on-board VCO from the RF signal
path, and replace Resistors R27 and R28 with 0 Ω links to
ensure operation of the VCO_I/O connector as an input from
an external VCO.
V
TUNE
(V)
K
V
(MHz/V)
70
65
60
50
55
40
45
30
35
20
25
10
15
02 4 6 8 10 12 14 16 18 20 22 24 26 28
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Prescaler for Microwave VCO
The board contains the ADF5001, an 18 GHz divide by 4
prescaler, to interface a high frequency microwave VCO to the
ADF4152HV. For example, when interfacing to the 12 GHz
external VCO, use the VTUNE SMA as described in the External
VCO Option section, but, in this case, connect the VCO output
to the PRE_IN SMA connector. The prescaler must be enabled
by moving Jumper LK1 into Position B. The ADF4152HV must
be programmed to accept a 12 GHz ÷ 4 frequency, or 3 GHz.
Isolate the VCO tracks from the output of the prescaler by
removing C37. It is recommended to interface the prescaler
differentially for best performance; therefore, swap C38 (100 pF)
into the space provided for C35. R33 can be removed as shown in
Figure 3. Note that the loop filter must be redesigned when
changing the VCO and/or reference frequencies.
PHASE NOISE MEASUREMENT
With the default settings, in-band phase noise of close to
−101 dBc/Hz can be measured. This measurement translates
to a normalized phase noise floor of −211 dBc/Hz. To measure
the ADF4152HV normalized phase noise specification of
−213 dBc/Hz, increase the loop bandwidth to 50 kHz or greater
by changing the RSET resistor (R4) to 3.3 kΩ. This 3.3 kΩ R4
resistor increases the charge pump current from 384 µA to
594 µA with a corresponding increase in loop bandwidth. With
the wider loop bandwidth, a phase noise (PN) of −103 dBc/Hz
can be measured.
PN = −213 + 10 log(25 MHz) + 20 log(1500/25) =
−103 dBc/Hz
The variation of phase noise vs. PLL loop bandwidth can be
modeled in ADIsimPLL.
Figure 3. Configuration of the Board for External Microwave VCO Using the ADF5001 Prescaler
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EVALUATION BOARD SOFTWARE
The control software for the EVAL-ADF4152HVEB1Z accom-
panies the board on the CD included in the evaluation kit. To
install the software, see the PLL Software Installation Guide.
To run the software,
1. Click the ADF4152 Family file on the desktop or from the
Start menu.
2. On the Select Device and Connection tab, choose
ADF4152HV and USB board (green), and then click
Connect (see Figure 4).
3. Confirm that ADF4xxx USB Adapter Board connected is
displayed at the bottom left of the window (see Figure 4).
Otherwise, the software has no connection to the evaluation
board. Note that when connecting the board, it takes about
5 sec to 10 sec for the status label to change.
4. Under the File menu, the current settings can be saved to
and loaded from a text file.
Figure 4. Software Front Panel Display—Select Device and Connection
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The Main Controls tab controls the PLL settings (see Figure 5).
Use the Reference Frequency text box to set the correct
reference frequency and the reference frequency divider. If the
on-board TCXO is used, set the reference frequency to 25 MHz.
Use the RF Settings section to control the output frequency.
Type the desired output frequency in the RF Frequency text
box (in megahertz).
In the Registers tab, you can manually input the desired value
to be written to the registers.
In the Sweep and Hop tab, set the device to sweep a range of
frequencies or hop between two set frequencies.
The Registers section near the bottom of the window displays the
value to be written to each register. If the background of a text
box is green, the value displayed is different from the value
actually on the device. Click Wr ite Rx (where x = 0 to 5) to
write that value to the device.
Figure 5. Software Front Panel Display—Main Controls
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EVALUATION AND TEST
To evaluate and test the performance of the ADF4152HV, use
the following procedure:
1. If using a different VCO and loop filter than provided on
the board, ensure that a VCO and loop filter are properly
inserted on the board. If using a microwave VCO together
with the ADF5001 prescaler, move Jumper LK1 into
Position B to power up the prescaler. Use ADIsimPLL to
generate the loop filter component values.
2. Install the Analog Devices ADF4152 family software.
Connect the evaluation board to a PC using the supplied
USB cable. Follow the hardware driver installation procedure
when it appears.
3. If the on-board crystal oscillator is used, skip this step.
If an external reference is necessary, connect a reference
signal to the reference (REFIN) edge mount connector.
4. Connect the power supply to the board.
5. Connect a spectrum analyzer to Connector VCO_I/O.
6. Run the ADF4152 family software.
7. In the software window, set the RF frequency (Figure 6
shows a screenshot of the signal source analyzer operating
in phase noise mode, taken at a frequency of 1.4 GHz). Set
the PFD frequency as defined in ADIsimPLL, and program
the reference frequency to 25 MHz if the on-board TCXO
is used or to the frequency that has been supplied to the
REFIN connector. See Figure 7 for the suggested setup.
8. Measure the output spectrum. Figure 6 shows a
1.4 GHz output.
Figure 6. Signal Source Analyzer Display
Figure 7. Typical Evaluation Setup
14438-006
PC
EXTERNAL DC
SUPPLY
EXTERNAL DC
SUPPLY
TCXO
VCO
LOOP
FILTER
LOCK
DETECT
LED
PLL
POWER
LED
USB LED PLL
USB
POWER
SUPPLIES
SIGNAL
GENERATOR
SPECTRUM
ANALYZER
REFIN
(OPTIONAL)
C1
C3
R3
R1
C4
R2 C2
RFOUT +
RFOUT –
PRESCALER PRE_IN
VCO_I/O
VVCO
VTUNE
+5V
GNDT
POWER
SUPPLIES
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EVALUATION BOARD SCHEMATICS AND ARTWORK
Figure 8. Evaluation Board Schematic (Page 1)
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Figure 9. Evaluation Board Schematic (Page 2)
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Figure 10. Evaluation Board Schematic (Page 3)
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Figure 11. Evaluation Board Schematic (Page 4)
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Figure 12. Layer 1 (Component Side)
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Figure 13. Layer 2 (Ground Plane)
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Figure 14. Layer 3 (Power Plane)
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Figure 15. Layer 4 (Solder Side)
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Figure 16. Evaluation Board Silkscreen
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BILL OF MATERIALS
Table 1. Bill of Materials
Reference Designator Value1Description Manufacturer/Part Number
+5V N/A Red test point Vero 20-313137
3V3_USB, 5V_USB Do not insert Red test point Not applicable
AGND N/A Black test point Vero 20-2137
C1 2.2 nF 50 V, X7R, SMD ceramic capacitor Multicomp MCCA000229
C2 47 nF 50 V, X7R, SMD ceramic capacitor Multicomp MCCA000249
C3, C4 1.5 nF 50 V, X7R, SMD ceramic capacitor Multicomp MCCA000227
C5, C8, C28, C30 1 µF Capacitor, 0603, 1 µF, 10 V, X5R Murata GRM188R61A105KA61D
C6, C17, C33, C36, C37, C38, C62, C63
100 pF
50 V, C0G, ceramic capacitor
Murata GRM1555C1H101JD01D
C7, C29, C31, C32, C39, C40, C41, C64,
C65, C66, C70, C71
1 µF 50 V, X5R, 0805, 1.0 µF, ceramic
capacitor
Taiyo/Yuden GRM32RR71H105KA01L
C9 Do not insert TAJ-A capacitor location, not inserted Not applicable
C10, C13, C18, C19, C21, C25, C44, C45,
C46, C53, C54, C55, C57, C58, C59, C60,
C61
0.1 µF 16 V, X7R, ceramic capacitor Kemet C0402C104K4RAC
C1, C12, C49 1 nF 50 V, NP0, ceramic capacitor AVX 06035A102JAT2A
C14, C15, C16, C20, C22, C52, C56 10 pF 50 V, NP0, ceramic capacitor AVX 04025U100GAT2A
C23, C34 68 pF 50 V, C0G, ceramic capacitor Murata GRM1555C1H680JZ01D
C24 120 pF 50 V, NP0, ceramic capacitor AVX 04025A121JAT2A
C26, C27 12 pF 50 V, NP0, SMD, ceramic capacitor Phycomp 2238 867 15129
C35 Do not insert 0402 capacitor location , not inserted Not applicable
C42, C43 1 nF Ceramic capacitor, 1000 pF, 50 V, C0G,
0402
Murata GRM1555C1H102JA01D
C47, C50 1 µF Ceramic capacitor, 1.0 µF, 50 V, X5R,
0805
Taiyo/Yuden TMK107BJ105KA-T
C48, C51 22 µF 6.3 V, tantalum capacitor (TAJ-A case) AVX TAJA226K006R
C67 1.2 nF 50 V, X7R, ceramic capacitor Murata GRM155R71H122KA01D
C68, C69 33 pF 50 V, C0G, ceramic capacitor Murata GRM1555C1H330JZ01D
CE, CLK Do not insert Red test point Not applicable
D1, D6 N/A Green LED Avago Technologies, HSMG-C170
D2, D4, D5
LL4002G
Power rectifier diode
Multicomp LL4002G
D3 N/A Red LED Avago Technologies HSMS-C170
DATA Do not insert Red test point Not applicable
GND N/A Black 4 mm banana socket Deltron 571-0100-01
GNDT N/A Black test point Vero 20-2137
L1, L2 27 nH Coilcraft 0402CS SMD inductor Coilcraft 0402CS-27NX-LU
L3 47 nH Coilcraft 0402CS SMD inductor Coilcraft 0402CS-47NX-LU
LD, LE, MUXOUT, PDBRF Do not insert Red test point Not applicable
LK1 N/A 3-pin SIL header and shorting link Harwin M20-9990345 & M7567-05
PRE_IN N/A End-launch 50 Ω SMA jack Emerson Network 142-0701-851
R1 510 Ω SMD resistor Multicomp MC 0.063W 0603 510r
R2, R3 330 Ω SMD resistor Multicomp MC 0.063W 0603 330R
R4 5.1 kΩ SMD resistor Multicomp MC 0.063W 0603 5k1
R5, R6, R8, R14, R18, R30, R36, R42, R43,
R46, R53, R54, R55, R57, R102
Do not insert 0603 resistor location, not inserted Not applicable
R7, R38 1 kΩ SMD resistor Multicomp MC 0.063W 0603 1K
R9, R48 240 Ω SMD resistor Multicomp MC 0.063W 0603 240R
R10, R12, R29
Do not insert
0402 resistor location, not inserted
Not applicable
R11 150 Ω 0402 SMD resistor Multicomp MC 0.0625W 0402 1% 150R
R13, R22, R31, R32, R35, R37, R51, R52,
R56, R58, R101
0 Ω SMD resistor Multicomp MC 0.063W 0603 0R
R15, R16, R17, R19 10 kΩ SMD resistor Multicomp MC 0.063W 0603 10K

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Reference Designator Value1Description Manufacturer/Part Number
R20, R21 68 Ω SMD resistor Multicomp MC 0.0625W 0402 1% 68R
R23, R24 51 Ω SMD resistor Multicomp MC 0.063W 0402 51R
R25 0 Ω 0402 SMD resistor Multicomp MC 0.0625W 0402 1% 0R
R26, R27, R28 18 Ω 0402 SMD resistor Multicomp MC 0.0625W 0402 1% 18R
R33
51 Ω
0402 SMD resistor
Multicomp MC 0.063W 0402 51R
R34 5.23 kΩ SMD resistor Multicomp MC 0.063W 0603 5K23
R39, R49, R50 2.2 kΩ SMD resistor Multicomp MC 0.063W 0603 2k2
R40 140 kΩ SMD resistor Multicomp MC 0.063W 0603 1% 140K
R41 78.7 kΩ SMD resistor Multicomp MC 0.063W 0603 1% 78K7
R44, R45 100 kΩ SMD resistor Multicomp MC 0.063W 0603 100K
R47, R59 10 Ω SMD resistor Multicomp MC 0.063W 0603 10R
R60 2.05 kΩ SMD resistor Multicomp MC 0.063W 0603 2K05
R100 470 Ω at
100 MHz
Ferrite bead Wuerth Elektronik 7427-92642
REFIN, RFOUT+, RFOUT−, VCO_I/O,
VTUNE, VVCO
N/A End-launch 50 Ω SMA jack Emerson Network 142-0701-851
T1, T2 Do not insert Red test point Not applicable
U1 N/A PLL Analog Devices ADF4152HVBCPZ
U2, U3 N/A Positive voltage regulator; adjustable On Semiconductor LM317LDG
U4, U5 N/A 3.3 V linear regulator Analog Devices ADP150AUJZ-3.3
U6 N/A USB microcontroller Cypress Semiconductor
CY7C68013A-56LFXC
U7 N/A 64 k I
2
C serial EEPROM Microchip Technology 24LC64-ISN
U8 N/A 50 MHz to 6 GHz, RF/IF gain block Analog Devices ADL5541ACPZ
U9 N/A 4 GHz to 18 GHz, divide by 4 prescaler Analog Devices ADF5001BCPZ
U10 N/A Adjustable LDO regulator Analog Devices ADP3334ARMZ
USB N/A USB Mini B connector (USB-OTG) Molex 54819-0578
VDD, VOUT Do not insert Red test point Not applicable
VSUPPLY N/A Red, 4 mm banana socket Deltron 571-0500-01
Y1 (ALT ) 25 MHz SMD temperature compensated
crystal oscillator
Rakon TXO225B
Y2 24 MHz SMD crystal ECS International ECS-240-12-20A-TR
Y3
1000 MHz to
2000 MHz
VCO
Synergy Microwave Corporation
DCYS100200-12
1N/A means not applicable.
RELATED LINKS
Resource
1
Description
ADF4152HV Product Page, Fractional-N/Integer-N PLL Synthesizer
ADP150 Product Page, Ultralow Noise, 150 mA CMOS Linear Regulator
ADP3334 Product Page, High Accuracy Low I
Q
, 500 mA anyCAP® Adjustable Low Dropout Regulator
ADL5541 Product Page, 20 MHz to 6 GHz RF/IF Gain Block, Gain of 15 dB
ADF5001 Product Page, 4 GHz to 18 GHz Divide-by-4 Prescaler
PLL Software Installation Guide User Guide, PLL Software Installation Guide
1For additional related resources, see the documentation section of the ADF4152HV product page.

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NOTES
I2C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors).
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection
circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
Legal Terms and Conditions
By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices StandardTerms and Conditions of Sale shall govern. Do not use the Evaluation Board until you
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal,
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term
“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may
not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board.
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI mayterminate this Agreement at any time upon giving written notice
to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO
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