XTT Basic Features

• PC controlled through a high speed (100 Mb/s) serial link.
• Up to 128 k digital patterns of up to 255 loops each can be run over 64 (96) channels at a programmable speed of 244 to 1 million vectors per second.
  
  Output levels programmable for groups of eight channels of consecutive numbers within the range -4.5 V to 12 V with resolution of 4.8 mV.
  
  Input threshold levels programmable for groups of eight channels of consecutive numbers within the range -3 V to 10 V with resolution of 4.8 mV.
  
  Pattern sequence performance as a whole can be modulated in eight frames.
• Four outstanding power supplies programmable within the range -4.5 V to 12 V with resolution of 4.8 mV.
  
  Current limitation can be programmed within the range ±200 mA with resolution of 58 µA.
• Two high-voltage power supplies programmable within the range ±110 V with resolution of 56 mV.
  
  Two current measurement ranges: ±10 mA with resolution of 1.9 µA, and ±50 µA with resolution of 8.4 nA.
  
  Current limitation programmable within the range ±10 mA.
• Two high-current supplies programmable within the range ±30 V with resolution of 16 mV.
  
  Current limitation programmable within the range ±500 mA with resolution of 163 µA.
• Two high-stability voltage sources connectable to each channel and programmable within the range -4.5 V to 12 V with resolution of 4.8 mV.
  
  Supplying current measured within 3 ranges: ±10 mA, 1 mA, 100 µA with respective resolutions of 1.8 µA, 180 nA, 18 nA.
• Two high stability current sources connectable to each channel and programmable within 3 ranges: ±20 mA, 2 mA, 200 µA with respective resolutions of 48 µA, 4.8 µA, 480 nA.
  
  Each channel voltage measurement as well as all other measurements rely on a 14-bit 128 kSamples/s ADC.
• Data acquisition card providing two 1 MΩ / 50 Ω inputs, and arbitrary waveform generator output.
  
  Input ranges: ±100 V, ±20 V, ±10 V and ±2 V at 1 MΩ, and ±1 V at 50 Ω (direct input) featuring 12-bit resolution and 128 k sampling memory per input channel.
  
  Output generator range ±10 V and waveform memory depth of 128 k.
  
  Sampling rate of generation and acquisition programmable within the range 23 kHz to 40 MHz.
  
  Duty-cycle programmable 11 kHz to 6 MHz frequency generator with TTL output.
  
  Frequency / pulse-width measurement 16-bit counter with programmable reference frequency (23 kHz .. 12 MHz) and TTL input.
• Eight-bit output digital bus to loadboard with an outstanding common pin that facilitates the output levels programming.
• Eight-bit input digital bus from loadboard with an outstanding common pin that facilitates the input threshold levels' programming.
• Machine-interface card provides eight outputs with programmable high-logic levels within the range from 1.25 V to 11.25 V with resolution of 2.4 mV, four inputs with programmable threshold levels within the range from 0 V to 10 V with resolution of 2.4 mV and 4 TTL-compatible level non-programmable inputs.
• All Tester resources routed to standard double-eurocard loadboard slot.
• Graphic User Interface based Integrated Development Environment under Linux.