data brief for further information contact your local stmicroelectronics sales office. june 2009 doc id 15863 rev 1 1/4 4 STEVAL-CCA015V1 triple video buffer with filter for hd demonstration board based on the tsh346 features 4.5 v to 5.5 v single supply operation r-g-b, y-pb-pr, y-c-cvbs, hd driving 3 channels with 6 db gain buffer 3 video reconstruction filters for hd 3 internal input dc level shifter no input capaci tor is required very low harmonic distortion each output can drive ac/dc coupled 150 ? loads tested on 5 v power supply rohs compliant description this demonstration board is designed to evaluate the tsh346, a single supply triple video buffer featuring an internal gain of 6 db and an internal low pass filter of 36 mhz cut-off frequency for each channel to fit with high definition requirements for video line interfaces. STEVAL-CCA015V1 www.st.com
circuit schematics STEVAL-CCA015V1 2/4 doc id 15863 rev 1 1 circuit schematics figure 1. schematic diagram j1 j 1 bnc_75r b n c _ 7 5 r j2 j 2 bnc_75r b n c _ 7 5 r r1 r 1 75r 7 5 r r6 r 6 75r 7 5 r +vcc + v c c 1 j7 j 7 +vcc + v c c 1 j 8 j 8 gnd g n d +vcc + v c c c1 c 1 10 u f 1 0 u f c2 c 2 100nf 1 0 0 n f c 3 c 3 nc n c c4 c 4 nc n c 8 5 gnd g n d 4 vcc v c c 7 1 2 3 6 ic1 i c 1 t s h t s h 3 46 3 4 6 j 3 j 3 bnc_75r b n c _ 7 5 r r 8 r 8 75r 7 5 r j5 j 5 bnc_75r b n c _ 7 5 r r1 r 1 5 75r 7 5 r j4 j 4 bnc_75r b n c _ 7 5 r r1 r 1 3 75r 7 5 r j6 j 6 bnc_75r b n c _ 7 5 r r2 r 2 0 75r 7 5 r r 3 r 3 nc n c r1 r 1 0 nc n c r1 r 1 7 nc n c c6 c 6 nc n c c 8 c 8 nc n c c10 c 1 0 nc n c r4 r 4 0r 0 r r11 r 1 1 0r 0 r r1 8 r 1 8 0r 0 r lr1 l r 1 0r 0 r cr1 c r 1 0r 0 r cr2 c r 2 0r 0 r cr 3 c r 3 0r 0 r r2 r 2 nc n c r9 r 9 nc n c r16 r 1 6 nc n c +vcc + v c c +vcc + v c c +vcc + v c c r5 r 5 nc n c r7 r 7 nc n c r12 r 1 2 nc n c r14 r 1 4 nc n c r19 r 1 9 nc n c r21 r 2 1 nc n c 1 2 j9 j 9 s ilx s i l x 2 am0 38 06v1
STEVAL-CCA015V1 revision history doc id 15863 rev 1 3/4 2 revision history table 1. document revision history date revision changes 11-jun-2009 1 initial release.
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