spec - Local Sector 7 web page

Kinetic Systems 3655 Timing Generator (CAMAC)config file:CA_KS3655 = slot_numberedconf CAMAC screen:Slot Module Unit Description1 KS3655 KS 3655 8-Channel Timing GeneratorCurrent users of spec have made the following modifications to the Kinetic SystemsModel 3655 Timing Generators. This timing generator is customarily used with theKinetic Systems Model 3610 Hex Scaler. All modifications are made on the componentside of the board.(1) Bring the internal 1 KHz timing signal out through the channel 7 front-panellemo connector. Dothis by first unsoldering the end of the wire that connectsthe center pin of the channel 7 lemo connector from the feed through on thecircuit board. Do not unsolder the wire from the connector, asitwill be difficultto solder on a new wire. Instead splice a longer wire to the one alreadyattached to the connector and solder the other end of that wire to pin 11 ofchip BJ. (Pin 11isthe center pin on the front-panel side of the chip.)(2) Disconnect the internal inhibit signal from the CAMAC dataway, and bring itout through the channel 8 lemo connector. Dothis by folding up and/or snippingpin 6 of the socketed 7407 chip in position BX, near the front panel.Next either fold up pin 3 of chip AU or cut the long trace that leads from thatpin to the dataway Inhibit connector. Then solder a wire from pin 3 of chipAU to the bottom lead of resistor R45. The resistor is located near the toprightcorner of the circuit board, and the bottom lead is the one nearest theletters R45.Channel 7 is then connected to channel 0 of the scaler module, while Channel 8 isconnected to the inhibit input. The signal from the source of monitor counts is connected,using a tee, to the clock input of the 3655 and the monitor scaler channel(usually channel 1; the detector is usually channel 2).256 HARDWARE REFERENCE INTERIM WORK-IN-PROGRESS (8/16/01) NOT FOR GENERAL DISTRIBUTION