• on Audio/Video/Photography
  • Published in issue 7/2000 on page 0
About the article

Video Correction for Pinnacle Studio MP10

Video Correction for Pinnacle Studio MP10
The Pinnacle Studio MP10 is an external real-time MPEG1 codec that includes composite video input and output. The output provides only 0.7 V, which is too low for most video equipment. Many video inputs are standardised for 1-V signals. The low output level of the MP10 can easily be corrected. The correction circuit, with its own small power supply, can also be used for many other applications.
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Products
Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Resistors:
R1,R4,R7 = 75?
R2,R5 = 560?
R3,R6 = 1k?2
R8 = 6k?8
P1,P2 = 250? preset
Capacitors:
C1,C2 = 47µF 25V radial
C3,C4,C7-C10 = 100nF
ceramic
C5,C6 = 4µF7 63V radial
C11,C12 = 100µF 40V radial
C13-C16 = 22nF ceramic
Inductors:
L1,L2 = 47µH
Semiconductors:
D1 = high-efficiency LED
B1 = B80C1500 (80V piv, 1.5A peak) rectangular case
IC1 = AD828AN (Analog Devices) (Farnell)
IC2 = 78L06
IC3 = 79L05
Miscellaneous:
K1,K2,K3 = cinch sockets, PCB mount (e.g., Monacor/Monarch type T-709G)
K4 = 2-way PCB terminal block, raster 7.5 mm
Tr1 = mains transformer, PCB mount, secondary 2x9 V/1.5 VA (e.g. Monacor/Monarch type VTR-1209)
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