Apple Video System User Manual

Page 84

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Internal connections

The video input card can be used with the Apple MPEG
Media System card or Apple’s TV tuner card, or both.

Video input characteristics

m Maximum input level: 2 volts peak-to-peak (Vpp)
m Minimum input level: 0.5 Vpp
m Impedance: 75 ohms (not a loop-through input)
m Input bandwidth: -3 decibels (dB) at 6 megahertz (MHz)

Audio input characteristics

m Maximum input level: 2 Vpp
m Impedance: 5,000 ohms
m Input bandwidth: 50 to 15 kilohertz (kHz)

Chapter 5