r SIS3800 Short Description SIS3800 Features · · · · · · · · · · · · · · · · Board Design V y Control In/Outputs Scaler Inputs w SIS3800 32 channel 32-bit 200 MHz VME scaler/counter Tel.: +49(0)40 60 87 305 0 Fax:+49(0)40 60 87 305 20 email: info@struck.de www: http://ww.struck.de Struck Innovative Systeme GmbH Moorhof 2d D-22399 Hamburg Germany case to allow for daisy chaining with TDCs e.g.. The input termination can be removed in the ECL several modules. ECL and NIM versions, 100 MHz with TTL units. nals can be disabled to allow for daisy chaining of maximum count rate of 200 MHz is possible with channels e.g.. The termination of the control sig- tors (NIM/TTL) are used with the LEMO option. A ble to assign count enable and clear in groups of 8 nected via two 34 pin headers, 32 LEMO connec- are possible via the input mode register. It is possi- On flat cable units (ECL/TTL) the inputs are con- SIS3800 version 1 design, different assignments the control section are configured as inputs in the pin header or 8 LEMO connectors. All 8 lines of from a FLASHPROM. The control inputs are either equipped with a 20 four are loaded with the actual counter mechanism interface, one the control section and the other one to of the SIS3600/380x famil. One handles the VME Up to six XILINX FPGAs act as the working horses SIS3800 Flat Cable ersion Firmware Upgrade Flexibility Reference Pulser Capability Internal test Broadcast addressing Software/hardware latch shadow Software/hardware clear Software count enable mask Software/hardware count enable Overflow interrupt generation Read on the fly Shadow registers Flat cable/LEMO versions ECL/NIM/TTL versions Up to 200 MHz count rate 32-bit channel depth 32 Channels are the 16 and 8 channel versions of the unit. family of boards are the SIS3801 multi channel scaler, the SIS3802 prescaler and the SIS3803/3804, which as the digitisation of pulses generated by voltage to frequency converters. Other members of the same Applications of the SIS3800 comprise the cost effective monitoring of counting rates of detectors, as well (NIM and LEMO TTL version) . TTL version) or with 8 LEMO connectors for the control section and 32 LEMOs for the counter section pin header connector for the control section and two 34 pin headers for the counters (ECL and flat cable The scaler is a single width 6U VME card, no non standard voltages are required. The unit comes with a 20 3600 base board. It combines high packing density with fast counting and an appropriate channel depth. The SIS3800 is the classical particle physics counter firmware implementation on the base of the SIS38xx/ VME SIS GmbH VME Scaler/Counte VME Properties Additional SIS3801 Features ·LL · · ·· ·· ·· Read on the fly · · y· Power Consumption w The SIS VME Scaler/Pulser Family 32-bl 32-bC 32-b 32-bl 32-bl 48-bC 32-bC 20-b Other SIS VME Modules 32-b w SIS3800 32 channel 32-bit 200 MHz VME scaler/counter 5/99 Tel.: +49(0)40 60 87 305 0 Fax:+49(0)40 60 87 305 20 email: info@struck.de www: http://ww.struck.de Struck Innovative Systeme GmbH Moorhof 2d D-22399 Hamburg Germany VME/VSB VSB/VME InterfaceSIS3900 Strobed/Coincidence Multi Event LatchitSIS3600 Leading Edge Discriminator16 channelSIS3500 Pulse Length Counter16 channelSIS3810 Interrupter/FLIPFLOP4 channelSIS3809 Deadtimed Multiscalerit32 channelSIS3808 Pulse Generator4 channelSIS3807 Multi hannel Scalerit200 MHz8 channelSIS3806 Multi hannel Scalerit200 MHz32 channelSIS3805 Scaer/Counterit200 MHz8 channelSIS3804 Scaer/Counterit200 MHz16 channelSIS3803 Prescaler/Dividerit50 MHz8 channelSIS3802 Multi hannel Scalerit200 MHz32 channelSIS3801 Scaer/Counterit200 MHz32 channelSIS3800 SIS VME Module Overvie 5V 3A typical, 5 A maximum (i.e. P < 25W) with the SIS3801 multi channel scaler. during readout. Accuracy to one count can be achieved onds counter design is made in a fashion, that no counts are lost Minimum dwell time below four microsec- the fl, i.e. the result is accurate modulo 64, however the Software or external advance time slice The validity of the lowest 6 bits is not given in a read on 4 control outputs under preparation 48-bit clearing and non clearing designVME64xP hot swap prepared 32-bit or 24-bit design (with two user bits)VME64xP geographical addressing prepared 64 K FIFO (256 K optional)VME64x connectors board FIFO. The extended possibilities include:VME access LED (VIPA LED set) the actual readout over the VME bus via an onBase address settable via 5 rotary switches allows decoupling of scaler data latching andA16/A32 D16/D32/BT32 (CBT prepared) mentation. The unit has also 32 channels andports the following VME features: The SIS3801 is the first SIS multiscaler imple-The unit is in compliance with the VME standard, it sup-