The " ? " position bypasses the attenuator and compensating network, and can be used when working with very small signals that would be below the scope's sensitivity limit if attenuated by ?0.
2.
Eventually, as much as 90 percent of the TV contract's value might have to be held back from next year's revenue, plus as much as $ 200 million extra to compensate networks for lost advertising revenue.
3.
:: : : OK do you have any details on how I should proceed to model the transmission line skin effect in Spice and then design a compensating network-- talk ) 00 : 26, 15 August 2008 ( UTC)