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ML6416 DEMO
Demonstration board for the ML6416
Features
* * * * * * * * 7.1MHz Y and C filters, with CV out 14dB notch at 4.5 MHz for sound trap 42dB stopband attenuation at 27 MHz on Y, C, and CV Better than 1dB flatness to 4.5MHz on Y, C, and CV Capable of driving 75 Ohm cable AC coupled inputs and outputs No external frequency select components or clocks 5% overshoot on Y, C, and CV output edges
Description
The ML6416 DEMO demonstration board provides a flexible base for evaluating the performance of the ML6416. The ML6416 is a dual Y/C 4th-order Butterworth lowpass video filter optimized for minimum overshoot and flat group delay. The device also contains a summing circuit to generate filtered composite video, an audio trap and group delay compensation circuit to notch-out audio, providing an area for the addition of the FM audio carrier(s) and mimic the group delay distortion introduced at the transmitter. For a complete description of the ML6416 including typical applications, please refer to the ML6416 data sheet. The ML6416 DEMO also has an option to connect YIN, CIN, YOUT, COUT, CVOUT, or RFOUT to 75 Ohm terminated to Ground (Jumpers labeled as JP1-6).
Applications
* Cable Set-top Boxes * Satellite Set-top Boxes * DVD Players
Block Diagram
N/C
GND
+5V RFMOD
YIN
GND
VCC
YOUT
RFMOD YIN CIN CIN ML6416 8-Pin SOIC YOUT CVOUT COUT COUT CVOUT
PRELIMINARY INFORMATION describes products that are not in full production at the time of printing. Specifications are based on design goals and limited characterization. They may change without notice. Contact Fairchild Semiconductor for current information. REV. 1.0.0 6/7/01
ML6416 DEMO
ML6416 DEMO Schematic
TP3 TP YOUT TP1 TP J1 BNC 2 1 YINPUT JP1 JUMPER TP2 TP J2 BNC 2 1 CINPUT JP2 JUMPER C6 0.1uF 1 2 3 4 C5 0.1uF CIN U1 YIN RFMOD GND CIN YOUT VCC CVOUT COUT 8 7 6 5 YIN VCC C17 220uF R33 75 C15 220uF R29 75 YOUTJ JP3 JUMPER R30 75 TP4 TP CVOUT CVOUTJ JP4 JUMPER R34 75 TP5 TP COUT C16 220uF R31 75 COUTJ JP5 JUMPER R32 75 TP6 TP RF MOD C18 220uF R35 75 RF MODJ JP6 JUMPER R36 75 1 1 1 1 J3 BNC 2 J4 BNC 2 J5 BNC 2 J6 BNC 2
G3 GND LOOP G4 GND LOOP
R6 75
ML6416 8-PIN SOIC
R5 75
VCC FB1 1 POWER 2 + 10uH 3 C50 22uF/25V PWRCON3 JP7
Ground Test Points
G1 G2 GND LOOP GND LOOP
1
2 D1 1N4004 1
C51 0.1uF
C7 0.1uF
C52 +0.47uF /25V
C53 0.01uF 2
D2 GREEN LED
2
REV. 1.0.0 6/7/01
ML6416 DEMO
Table 1. Bill of Materials
Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Quantity 4 4 1 1 1 1 1 1 4 6 1 6 10 6 1 Reference C5, C6, C7, C51 C15,C16,C17,C18 C50 C52 C53 D1 D2 FB1 G1,G2,G3,G4 JP1,JP2,JP3,JP4,JP5,JP6 JP7 J1, J2,J3,J4,J5,J6 TP1,TP2,TP3,TP4,TP5,TP6 U1 Part 0.1uF 220uF 22uF /25v 0.47uF /25v 0.01uF 1N4004 (Diode) GREEN LED 10 uH (Inductor) GND LOOP JUMPER PWRCON3 BNC Connectors TP (Test Points) ML6416 (8-Pin SOIC)
R5, R6, R29, R30, R31,R32, R33, R34, R35, R36 75 Ohms
REV. 1.0.0 6/7/01
3
ML6416 DEMO
LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
www.fairchildsemi.com 6/7/01 0.0m 001 Stock#DS30005066 2001 Fairchild Semiconductor Corporation
2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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