General Description
The MAX11500 evaluation kit (EV kit) is a fully assem-
bled and tested surface-mount printed-circuit board
(PCB) that contains a MAX11500 IC. The MAX11500 is
a 3-channel HD video filter for reconstruction and anti-
aliasing applications. The filter’s -3dB frequency is
33MHz. The MAX11500 includes a +6dB output buffer
capable of driving a 2VP-P video signal into a standard
150Ωload.
The MAX11500 EV kit can be configured for both AC-
and DC-coupled inputs and outputs. The MAX11500
video inputs have 75Ωtermination to ground and the
outputs are 75Ωback terminated. The EV kit operates
from a single 5V power supply.
Features
♦Single 5V Supply Operation
♦Output Buffer Drives a 150ΩStandard Video Load
with a +6dB Gain
♦High-Definition Video Filter
♦AC- or DC-Coupled Inputs/Outputs
♦Standard 75ΩInput/Output Terminations
♦Surface-Mount Components
♦Fully Assembled and Tested
Evaluates: MAX11500
MAX11500 Evaluation Kit
________________________________________________________________
Maxim Integrated Products
1
19-0954; Rev 0; 8/07
Component List
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
Component Suppliers
PART TEMP RANGE IC PACKAGE
MAX11500EVKIT+ 0°C to +70°C* 8 SO
SUPPLIER PHONE WEBSITE
Murata Mfg. Co.,
Ltd. 770-436-1300 www.murata.com
SANYO North
America Corp. 619-661-6835 www.sanyodevice.com
DESIGNATION QTY DESCRIPTION
C1, C2, C3, C5 4
0.1µF ±10%, 25V X7R ceramic
capacitors (0603)
Murata GRM188R71E104K
C4 1
1µF ±10%, 25V X7R ceramic
capacitor (0805)
Murata GRM21BR71E105K
C6, C7, C8 3
220µF ±20%, 6.3V aluminum
electrolytic capacitors
(8.3mm x 8.3mm)
SANYO 6SVPA220MAA
JU1–JU9 9 2-pin headers
R1, R4, R7 3 820k
Ω
±5% resistors (0603)
R2, R5, R8 3 120k
Ω
±5% resistors (0603)
R3, R6, R9–R12 6 75
Ω
±1% resistors (0603)
DESIGNATION QTY DESCRIPTION
U1 1 MAX11500USA+ (8-pin SO)
GND, GND 2 PC mini-black test points
IN1, IN2, IN3,
OUT1, OUT2,
OUT3
6 PC mini-red test points
VIDIN1, VIDIN2,
VIDIN3,
VIDOUT1,
VIDOUT2,
VIDOUT3
675
Ω
BNC PCB-mount jack
connectors
— 9 Shunts (JU1–JU9)
— 1 PCB: MAX11500 Evaluation Kit+
+
Denotes a lead-free and RoHS-compliant EV kit.
*
This limited temperature range applies to the EV kit PCB only.
The MAX11500 IC temperature range is 0°C to +85°C.
Note: Indicate that you are using the MAX11500 when contact-
ing these component suppliers.
Evaluates: MAX11500
MAX11500 Evaluation Kit
2 _______________________________________________________________________________________
Quick Start
Recommended Equipment
Before beginning, the following equipment is needed:
•5V, 200mA DC power supply (VCC)
•Video signal generator (e.g., Tektronix TG-2000 or
TG-700)
•Video measurement equipment (e.g., Tektronix
VM-6000 or equivalent)
Procedure
The MAX11500 EV kit is fully assembled and tested.
Follow the steps below to verify board operation.
Caution: Do not turn on the power supply until all
connections are completed.
1) Connect the video signal generator output to the
VIDIN_ BNC connectors on the MAX11500 EV kit.
2) Connect the VIDOUT_ BNC connectors on the EV kit
to the input of the video measurement equipment.
3) Connect the power-supply ground to the GND pad
on the EV kit.
4) Connect the 5V supply to the VCC pad on the EV kit.
5) Verify that no shunts are installed across jumpers
JU1, JU3, JU5, JU7, JU8, and JU9 (AC-coupled
inputs and outputs), and JU2 (no DC bias at VIDIN1).
6) Install shunts across jumpers JU4 and JU6 (DC
bias for VIDIN2 and VIDIN3).
7) Set the video signal generator for the desired video
input signal using a YPBPRsignal format.
8) Connect the Y signal to the VIDIN1 BNC connector,
and PBand PRto VIDIN2 and VIDIN3, respectively.
9) Turn on the power supply and enable the video signal
generator output.
10) Analyze the video output signal with the video mea-
surement equipment.
Detailed Description
The MAX11500 EV kit is a fully assembled and tested
surface-mount PCB that contains a MAX11500 IC. The
MAX11500 is a 3-channel video filter for reconstruction
and anti-aliasing applications. All 3 channels have iden-
tical characteristics.
The MAX11500 filter’s -3dB frequency is 33MHz. The
device includes a +6dB output buffer capable of dri-
ving a 2VP-P video signal into a standard 150Ωload. In
the default configuration, the MAX11500 EV kit video
inputs and outputs are set for AC-coupled operation.
The video inputs and outputs can also be configured
for DC-coupled operation. The MAX11500 EV kit video
inputs have a 75Ωtermination to ground and the out-
puts are 75Ωback terminated.
Jumper Selection
AC-/DC-Coupled Input Operation
The MAX11500 features a transparent clamp at the video
inputs that allows for either AC- or DC-coupling. If the
input signal remains above ground, the transparent
clamp is inactive, offering true DC-input coupling. If the
signal goes below ground, it must be AC-coupled. The
transparent clamp will set the sync tip just below ground.
Jumpers JU1, JU3, and JU5 set the MAX11500 EV kit
video inputs for AC- or DC-coupled operation. For AC-
coupled operation, remove shunts from jumpers JU1,
JU3, and JU5. For DC-coupled operation, install shunts
across jumpers JU1, JU3, or JU5. Use DC-coupling
only for input signals whose lowest voltage is above
ground. See Table 1 for proper jumper settings. When
interfacing DC-coupled signals to the MAX11500 EV kit
VIDIN_ inputs, verify that shunts are not installed across
jumpers JU2, JU4, or JU6.
DC Bias for YPBPRSignals
When configuring the EV kit video inputs for AC-
coupled operation, the correct DC bias point has to be
chosen, depending on the input signal. Unipolar signals,
such as R, G, B, and Y, are biased correctly using the
MAX11500 internal transparent clamp. For bipolar sig-
nals, such as PBand PRsignals, a constant DC bias volt-
age has to be applied after the AC-coupling capacitor to
make sure that the clamp never operates. A 590mV DC
bias voltage can be applied by installing shunts across
jumpers JU2, JU4, or JU6. To configure the inputs to a
different DC bias voltage, replace resistors R2, R5, or R8.
See Table 2 for input clamp configuration.
Table 1. AC-/DC-Coupled Input Operation
(JU1, JU3, and JU5)
SHUNT POSITION EV KIT INPUTS
Not installed AC-coupled operation
Installed DC-coupled operation
Table 2. Input Clamp Operation (JU2,
JU4, and JU6)
SHUNT
POSITION EV KIT FUNCTION
Installed DC bias enabled: Use for PB, PR signals
Not installed DC bias disabled: Use for R, G, B, Y signals
Evaluates: MAX11500
MAX11500 Evaluation Kit
_______________________________________________________________________________________ 3
VCC
VCC
GND
MAX11500
U1
4VCC
5GND
8
OUT1
C5
0.1μF
C4
1μFVCC
VIDIN1
IN1
OUT1
JU2
JU1
1IN1
R2
120kΩ
R1
820kΩ
R3
75Ω
1%
C1
0.1μF
VCC
VIDIN2
IN2
JU4
JU3
2IN2
R5
120kΩ
R4
820kΩ
R6
75Ω
1%
C2
0.1μF
VCC GND
VIDIN3
GND
IN3
JU6
JU5
3IN3
R8
120kΩ
R7
820kΩ
R9
75Ω
1%
C3
0.1μF
R10
75Ω
1%
C6
220μF
VIDOUT1
JU7
7
OUT2
OUT2
R11
75Ω
1%
C7
220μF
VIDOUT2
JU8
6
OUT3
OUT3
R12
75Ω
1%
C8
220μF
VIDOUT3
JU9
Figure 1. MAX11500 EV Kit Schematic
AC-/DC-Coupled Output Operation
Jumpers JU7, JU8, and JU9 configure the MAX11500
EV kit video outputs for AC- or DC-coupled operation.
To configure the outputs for AC-coupled operation,
remove shunts from jumpers JU7, JU8, and JU9. To
configure the outputs for DC-coupled operation, install
shunts across jumpers JU7, JU8, and JU9. See Table 3
for the EV kit output configuration.
Table 3. AC-/DC-Coupled Output Operation
(JU7, JU8, and JU9)
SHUNT POSITION EV KIT OUTPUTS
Not installed AC-coupled operation
Installed DC-coupled operation
Evaluates: MAX11500
MAX11500 Evaluation Kit
4 _______________________________________________________________________________________
Figure 2. MAX11500 EV Kit Component Placement Guide—Component Side
Evaluates: MAX11500
MAX11500 Evaluation Kit
_______________________________________________________________________________________ 5
Figure 3. MAX11500 EV Kit PCB Layout—Component Side
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
6
_____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2007 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc.
Evaluates: MAX11500
MAX11500 Evaluation Kit
CARDENAS
Figure 4. MAX11500 EV Kit PCB Layout—Solder Side
