GFT1604

Key features

• Number4, 8

• Delay resolution1 ps, 100 ps

• RMS Jitter<1 ns, external trigger to any channel (<100ps with option 10), <50 ps + delay x 10-7, channel to channel (up to 4 ps with options 2 + 5), <50 ps, external clock to any channel (10 ps with option 2)

• Range100 seconds

• Accuracy<250 ps + delay x 10-6 (<100 ps + delay x 10-6 with option 2)

• Time baseInternal 200 MHz, ±1 ppm stability

• Output amplitude (50 Ω load)10 V, 5 V, 50 V, LVDS

• Remote controlEthernet, USB

External Trigger Mode

• Input “TRIG” Rate single or repetitive up to 40 MHz, with prescaler, adjustable threshold from +100 mV to +5 V (step 1 mV), adjustable positive or negative slope and 5 ns min pulse width
• Trigger delay Lower than 85 ns (insertion delay) (lower than 105 ns with option 10)

Internal Trigger Mode

• Rate repetitive From three Timers with frequency = 0.01 Hz to 50 MHz (in step of 5 ns)
• Rate single Synchronized on internals timers or soft command

Channel Output pulse T1 to T4 (and T5 to T8)

• Amplitude
  1.5 V to 5 V in step of 1 mV into 50 Ω
  3.0 V to 10 V in step of 2 mV into high impedance (>1 kΩ)
• Rise/Fall Time 1 ns / 1 ns into 50 Ω or 2 ns / 2 ns into high impedance @ full scale
• Width10 ns to 10 s in step of 5 ns
• Pulse Polarity Positive or Negative
• Burst Mode Burst count = 1 to 1 000 000 000, adjustable period in step of 5 ns
• MUX Mode Any channel may be ORed’ to all outputs (per group of 4)

External Clock reference

• Threshold0 V, internal 50 Ω
• LevelMin -10 dBm, typical 6 dBm
• Frequency 10 MHz to 240 MHz, user programmable in steps of 0.25 MHz up to 120 MHz then user programmable in steps of 0.50 MHz

Clock output

• Level>500 mV p-p, into 50 Ω, AC coupling
• Frequency100 MHz if internal clocked or same as external if external clocked (800 MHz with option 2)

Gate or second trigger or daisy chaining

• Function Gate or second External Trigger with adjustable threshold or daisy chaining to second GFT1604
• InputActive high or low in gate mode, positive/negative slope with rate <40 MHz in trigger mode

GPIO: Input or output lines

• 4 x GPIOInput or output, 0 or 3 V level, impedance > 20 kΩ input & 100 Ω output

General

• Interface Control USB to UART, Ethernet 10/100 Mb/s
• User’s sets 8 sets to save or recall eight specific configurations
• Software toolsFree Drivers for Windows 11 and Linux, USB application with GUI is furnished
• Power consumption 2.5 W to 15 W according to configuration
• Power supply USB or External AC (80 - 264 V/47 - 63 Hz) to DC (5 V, 4 A), adapter furnished
• Size and Weight 108 x 58.6 x 129 mm, < 1kg

Options

• Option 1 :
  Extension to 8 channels
• Option 2 :
  1 ps delay resolution (only available with GFT1604-4C model), with channel-to-channel jitter <10 ps (at short delay) and min width of 50 ns
  Narrow pulse mode: it allows min width of 3 ns in step of 1 ps on 2 channel outputs
• Option 3 :
  (Bank of 2 channels) 3 V to 10V channel output, width = 10 ns to 10 ms, rise/fall time = 1/1 ns into 50 Ω
• Option 4 :
  (Bank of 2 channels) 15 V to 50 V channel output, width = 50 ns to 5 µs, rise/fall time = 3/15 ns into 50 Ω
• Option 5 :
  (Bank of 1 channel) with a max of 2 differential LVDS or HSTL outputs, 175 mV to 1200 mV, width = 10 ns to 10 s, rise/fall time <0.5/0.5 ns under 100 Ω differential, and 10 ps channel to channel jitter or 4 ps channel to channel jitter with “option 2”
  Narrow pulse mode: it allows min width of 1 ns in step of 100 ps with base version, or 500 ps min width in step of 1 ps with option 2 (1 ps delay resolution)
• Option 6 :
  (Bank of 1 channel) with a max of 2 differential LVDS or HSTL clock outputs, independently programmable up to 800 MHz, phase adjustable in steps of 71 ps
• Option 7 :
  SMB termination plug (50 Ω)
• Option 8 :
  Case with mounting flanges
• Option 9 :
  5" SMB to BNC cable
• Option 10 :
  Jitter improvement (Lower than 100 ps rms) between external trigger and outputs, min width reduced to 1 ns

Ordering information

• Model GFT1604-4C4 channel mini pulse & delay generator (base version)
• Model GFT1604-8C8 channel mini pulse & delay generator (with option 1)