Highland Technology
T240 single-channel USB-programmable pulse generator
- Generates fast complementary pulse outputs
- Programmable delay and pulse width in two ranges
- Programmable amplitude from 0 to 750 millivolts nominal
- Risetime / falltime 60 picoseconds typical
- Pulse width down to 100 picoseconds FWHM
- Programmable trigger threshold
- Powered by USB or standard 5-volt micro-USB power supply
- Control via USB, RS232, or trimpots; optional SPI
- Compact extruded enclosure with optional mounting flange
| FUNCTION | Externally-triggered complementary-output pulse generator |
| TRIGGER | Rising-edge trigger, 50 Ω input impedance, DC coupled Threshold is programmable from -2.5 to +2.5 volts Max safe input is ± 3.3 volts |
| PROPAGATION DELAY | Range 1: 3 ns nominal insertion delay Range 2: 10 ns nominal insertion delay |
| COMPLEMENTARY OUTPUTS | User adjustable 0 to ± 750 mV (nominal, ± 675 mV, min) peak into 50 Ω loads Nominal 5 Ω output impedance AC coupled; optional DC-coupled LVPECL/LVDS outputs |
| PULSE RATE | Min pulse rate is 0 Hz Range 1: max 70-125 MHz depending on delay/width settings Range 2: max 20-50 MHz depending on delay/width settings |
| RISE/FALL TIMES | 60 ps nominal, measured at 10/90% 42 ps nominal, measured at 20/80% |
| PROGRAMMABLE TIMINGS | Range 1: delay 0 to 2.5 ns, width 100 ps to 2.5 ns, d+w < 2.5 ns Range 2: delay 0 to 25 ns, width 250 ps to 25 ns, d+w < 25 ns |
| JITTER | Range 1: < 3 ps RMS Range 2: < 10 ps RMS |
| CONTROL | Standard: trimpots, RS232, and USB; optional SPI |
| POWER | +5 volts at 500 mA nom via USB connector Highland model J5 power supply is supplied |
| CONNECTORS | TRIG, OUT+, OUT-, SMA jacks Micro/AB for power and USB control D9 female for optional power/RS232/SPI |
| LED INDICATORS | Green POWER, Blue TRIGGER, Orange COMM |
| PACKAGING | Extruded anodized aluminum enclosure |
