7B42N
The 7B42N is a prototype dual timebase 7000-series plug-in. It was made in late 1971 or early 1972. It uses the 155-0049-00 sweep control IC. The 7B42N might be the prototype of the 7B53, which was introduced in 1973.
The 7B42N is a prototype dual timebase 7000-series plug-in. It was made in late 1971 or early 1972. It uses the 155-0049-00 sweep control IC. The 7B42N might be the prototype of the 7B53, which was introduced in 1973.
