7B81P: Difference between revisions
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It is composed of a digital board, a trigger board, and a sweep board. | It is composed of a digital board, a trigger board, and a sweep board. | ||
On the digital board, there is a Motorola 6800 microprocessor and six 6820 Peripheral Interface Adapter ICs to provide more I/O pins. | On the digital board, there is a Motorola 6800 microprocessor and six 6820 Peripheral Interface Adapter ICs to provide more I/O pins. | ||
On the trigger board, there is a [[155-0126-00]], a [[155-0109-00]], two AD7511 analog switch ICs, | On the trigger board, there is a [[155-0126-00]], a [[155-0109-00]], two AD7511 analog switch ICs, an MC1408 DAC, a CD4053 analog switch, and a couple of opamps. | ||
The sweep board is mostly discrete and makes use of Tek-made timebase capacitors. | The sweep board is mostly discrete and makes use of Tek-made timebase capacitors. | ||
Revision as of 18:06, 2 January 2019
The 7B81P was probably designed in 1975. It is composed of a digital board, a trigger board, and a sweep board. On the digital board, there is a Motorola 6800 microprocessor and six 6820 Peripheral Interface Adapter ICs to provide more I/O pins. On the trigger board, there is a 155-0126-00, a 155-0109-00, two AD7511 analog switch ICs, an MC1408 DAC, a CD4053 analog switch, and a couple of opamps. The sweep board is mostly discrete and makes use of Tek-made timebase capacitors.
Key Specifications
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