BNC 645 - Manual (Page 118)

118
Internal
Modulation
50% duty cycle Square
Frequency
(Internal)
2mHz to 100KHz
Voltage Range ±5V full scale
Input Resistance 8.7KΩ typical
External
Modulation
Input Bandwidth DC to 20KHz
Waveforms Sine, Square, Ramp, Arb
Type Linear or logarithmic
Direction up or down
Sweep Time 1 ms ~ 500 Sec
Trigger Internal , External or Manual
SWEEP
Marker
falling edge of sync signal
(programmable frequency)
Waveforms Sine, Square, Ramp, Triangle, Noise, Arb
Type Internal / external
Start/Stop Phase -360° to +360°
Internal Period 1uS ~ 500Sec
Gated Source External trigger
BURST
Trigger Source Internal , External or Manual
Level TTL compatible
Slope Rising or Falling (Selectable)
Pulse width > 100 ns
Impedance > 10KΩ, DC coupled
Trigger Input
Latency < 500 ns
Level TTL compatible into ≥ 1 kΩ
Pulse width > 400 ns
Output
Impedance
50 Ω typical
Maximum rate 1MHz
Trigger
Output
Fan-out ≤ 4 Berkeley Nucleonics Corporation