BNC 745T-4C Pulse & Delay Generator (4CH)

Delay Channels A to D

Number: 4 independent (or 8 with option)

Range: 0 to > 20 seconds

Resolution: 1 ps

RMS Jitter: 25 ps + delay × 10⁻⁸ (external trigger to any output); 5 ps + delay × 10⁻⁸ (internal trigger to any output)

Accuracy: < 250 ps + delay × 10⁻⁸

Timebase: 0.05 ppm stability

External Trigger Mode

Input “TRIG”: Threshold = 0.1 to 5 V into 50 Ω, Slope = positive or negative

Repetition Rate: Single, Repetitive < 1 MHz, or Burst mode

Trigger Prescaler: 1 to 2¹⁶-1

Trigger Delay: < 65 ns (insertion delay)

Internal Trigger Mode

Rate Repetitive: From two Timers with frequency = 0.25 Hz to 1 MHz (in steps of 5 ns)

Channel Output Pulse A to D

Amplitude: 2 V to 5 V in steps of 10 mV

Load: 50 Ω

Rise/Fall Time: < 1 ns / < 3 ns

Width: 100 ns to 10 µs, 5 ns resolution

Pulse Polarity: Positive

Burst Mode: From 1 to 2¹⁶-1

Connector: BNC on the front panel

Clock IN

Threshold: 0 V, internal 50 Ω

Level: Min -3 dBm

Frequency: 10 MHz (up to 100 MHz as an option)

Clock OUT

Frequency: 10 or 100 MHz

Level: ±1 V into 50 Ω

Shape: Square

Gate

Input: Active high, threshold 1.5 V, positive or negative slope

Function: Output inhibit (Global or individual channel)

T0 Output

Amplitude: 5 V / 50 Ω, 200 ns width

Connector: BNC on the rear panel

General

Interface Control: Front panel, USB to UART, Ethernet 10/100 Mb/s

User Memory: Up to 4 sets of parameters can be stored/recalled via the front panel, Ethernet, or USB

Software Tools: Free drivers for Windows 7/10

Power Supply: 90 to 240 VAC, 50 W

Weight: < 1 kg

Size: 215 × 245 × 135 mm

Option 8C: Auxiliary Channels (E to H)

Delay Channel:

Number: 4 independent

Range: 0 to > 20 seconds

Resolution: 1.25 ns

Jitter: <50 ps RMS + delay × 10⁻⁸ (external trigger to any output)

Accuracy: 1 ns + delay × 10⁻⁸

Channel Output Pulse:

Amplitude: 2.5 to 5 V / 50 Ω, common tuning

Width: 100 ns to 10 ms, 5 ns resolution

Rise and Fall Time: <5 ns

Connector: BNC on the front panel

Option CLK IN & OUT: Clock Frequency

Clock Input or Output: Up to 100 MHz clock input or output (request when ordering from factory)

Datasheet