The V860 is a multichannel pulse amplifier packaged as a standard VME module. It accepts logic-level inputs and generates high-level, very fast positive output pulses.
FUNCTION | Multichannel digital pulse amplifier |
INPUTS | Six logic inputs, threshold from -2.5 to +2.5 volts, common trimpot adjustment, factory set to +1.25 volts Maximum safe input is ±4 volts Per-channel switches are provided to select input polarity and input termination, 50Ω to ground or high impedance Factory setting is positive, terminated Channel inputs may be cascaded such as to drive multiple outputs from one input One common TTL-level GATE input disables all outputs when pulled low |
OUTPUTS | Six positive pulses, active pullup, passive pulldown; customer termination to ground is required Pulse amplitude is adjustable from +4 to +10 volts into a 50Ω load, with common adjustment for all channels Factory set to +5 volts Pullup output impedance is 2Ω nominal; pulldown is 500Ω nominal Output current limit is 300 ma peak, 80 ma average Risetime 500 ps max; falltime 5 ns max |
PROPAGATION DELAY | Rising edge, 3.5 ns typical; falling edge, 10 ns typical |
JITTER | Rising edge, less than 5 ps RMS added jitter Falling edge, less than 25 ps RMS added jitter |
OPERATING TEMPERATURE | 0 to 60°C; extended MIL/COTS ranges available |
CALIBRATION INTERVAL | One year |
POWER | Standard VME supplies: +5 volts, 200 mA max +12 volts, 360 mA max (plus load current) -12 volts, 150 mA max |
CONNECTORS | V860-1 SMB V860-2 LEMO V860-3 SMA |
PACKAGING | Single-wide 6U VME module |
CONFORMANCE | VMEbus per ANSI/VITA 1-1994 (R2002) The module does not interface to the VME data bus, and passes all VME grant lines |
V860-1: 6-channel VME pulse amplifier with SMB connectors
V860-2: 6-channel VME pulse amplifier with LEMO connectors
V860-3: 6-channel VME pulse amplifier with SMA connectors