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1A4: Difference between revisions
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Type 1A4 is a 1-series vertical plug-in with four input channels and 50MHz bandwidth. The four channels are grouped into two groups of two channels. Type 1A4 has a special "trace slaving" mode which, when used in a 547 mainframe, allows channels 1 and 2 to be displayed using the A time base, and channels 3 and 4 to be displayed with the B time base. This allows high-speed and low-speed signals to be displayed together, similar to what a dual-beam scope can do, but without some of the cost and complexity. Maximum channel sensitivity is 10mV/div, but a Signal Out jack makes it possible to cascade two channels for approximately 200uV/div AC with about 20Hz-1MHz bandwidth. | Type 1A4 is a 1-series vertical plug-in with four input channels and 50MHz bandwidth. The four channels are grouped into two groups of two channels. Type 1A4 has a special "trace slaving" mode which, when used in a [[547]] mainframe, allows channels 1 and 2 to be displayed using the A time base, and channels 3 and 4 to be displayed with the B time base. This allows high-speed and low-speed signals to be displayed together, similar to what a dual-beam scope can do, but without some of the cost and complexity. Maximum channel sensitivity is 10mV/div, but a Signal Out jack makes it possible to cascade two channels for approximately 200uV/div AC with about 20Hz-1MHz bandwidth. | ||
Like the Type [[1A2]] and unlike the Type [[1A1]], the Type 1A4 has a Trigger Output selector that controls which channel provides triggering when the mainframe trigger is in Plug-In mode. | Like the Type [[1A2]] and unlike the Type [[1A1]], the Type 1A4 has a Trigger Output selector that controls which channel provides triggering when the mainframe trigger is in Plug-In mode. | ||