MM1238 switch equivalent, 3-input 2-output 3-circuit video switch.
1. One of the two video signal outputs is used for external output, and has a 6dB amp, 75Ω, 1VP-P 2. Input impedance 1~3 video circuits 15kΩ 1~3 audio circuits 68kΩ 3. Cr.
1. TV 2. Free-standing VCR 3. Other video equipment
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