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Hytec Electronics Ltd. |
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CAMAC Multi-Channel Scaler, 24 Bit 100MHz, 32 Channel, 1024 Frame Type MCS 727 Product
Description This single width CAMAC
module provides 32 independent channels of scaling at a 100MHz counting rate,
each with a capacity of 24 bits. Each scaler has a 1024 by 24 bit memory into
which its contents can be stored under Direct Memory Modify (DMM). This
allows the data to be histogrammed into time frames. Inputs can be internally
selected to be complementary ECL, or single ended TTL. Pulse widths >5nS
are required for a maximum mean frequency of 100MHz, and a peak frequency of
125 MHz. Readout of each scaler to the memory is triggered by XFER. This
causes the module to inhibit counting for 250nS, while the scaler contents
are transferred to the scaler shadow register. It takes an additional 16 mS to
transfer the data from the 32 shadow registers to the memory. CAMAC readout of the
memory may occur at anytime. It is however, given second priority to new data
transfers. A test for the ’Q’ response will show that the data that has been
read is valid. The unit is housed in a single width CAMAC module.
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Our policy is one of continuous product development and the right is reserved to supply equipment which may vary slightly from that described.
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