STEVAL-CCA015V1

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 capacitor 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
Obsolete Product(s) - Obsolete Product(s)
Circuit schematics STEVAL-CCA015V1
2/4 Doc ID 15863 Rev 1
1 Circuit schematics
Figure 1. Schematic diagram
J1
J1
BNC_75R
BNC_75R
J2
J2
BNC_75R
BNC_75R
R1
R1
75R
75R
R6
R6
75R
75R
+VCC
+VCC
1
J7
J7
+Vcc
+Vcc
1
J8
J8
GND
GND
+VCC
+VCC
C1
C1
10uF
10uF
C2
C2
100nF
100nF
C3
C3
nc
nc
C4
C4
nc
nc
8
5
GND
GND
4
VCC
VCC
7
1
2
3 6
IC1
IC1
TSH
TSH
346
346
J3
J3
BNC_75R
BNC_75R
R8
R8
75R
75R
J5
J5
BNC_75R
BNC_75R
R1
R1
5
75R
75R
J4
J4
BNC_75R
BNC_75R
R1
R1
3
75R
75R
J6
J6
BNC_75R
BNC_75R
R2
R2
0
75R
75R
R3
R3
nc
nc
R1
R1
0
nc
nc
R1
R1
7
nc
nc
C6
C6
nc
nc
C8
C8
nc
nc
C10
C10
nc
nc
R4
R4
0R
0R
R11
R11
0R
0R
R18
R18
0R
0R
LR1
LR1
0R
0R
CR1
CR1
0R
0R
CR2
CR2
0R
0R
CR3
CR3
0R
0R
R2
R2
nc
nc
R9
R9
nc
nc
R16
R16
nc
nc
+VCC
+VCC
+VCC
+VCC
+VCC
+VCC
R5
R5
nc
nc
R7
R7
nc
nc
R12
R12
nc
nc
R14
R14
nc
nc
R19
R19
nc
nc
R21
R21
nc
nc
1
2
J9
J9
SILx
SILx
2
AM03806v1
Obsolete Product(s) - Obsolete Product(s)
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.
Obsolete Product(s) - Obsolete Product(s)

STEVAL-CCA015V1

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Video IC Development Tools TSH346 Audio Video Board
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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