Quad Scaler And Preset Counter / Timer
N1145
The CAEN Mod. N1145 is a double unit NIM module that includes four independent 8-digit counters each with their own display and can accept up to 250-MHz input rates. These counters can be cascaded to increase the word length to 16-digits for two counters, and 24-digits for three counters. Counters 2 and 4 have a “Carry” or overflow output to allow the cascading of the counters. Counters 1 and 3 have a set of bridged gate connectors to allow a single gate to be used on multiple counters.
An 80-MHz fifth counter with its own display can be used as a timer, counter, rate divider, or delay.
Features
- Four 8-digit up-counters with 250 MHz max counting rate
- One 7-digit down-counter with 80 MHz max counting rate
- NIM and TTL inputs
- One LED display per section
- Up to three sections can be cascaded for 24-digit counting
- Frequency and frequencies ratio measurements
- Individual GATE and RESET per counter
- Manual or pulse triggered RESET
N1145: Manuals
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