Data Sheet

7
Modulation Characteristics – PWM
Carrier Pulse
Modulation Source Internal/External
Modulating Waveform Sine, Square, Ramp, Noise, Arb
Modulation Frequency 1 mHz to 1 MHz with ‘internal’ modulation source
Pulse Width Deviation Resolution Minimum 6.67 ns
Burst Characteristics
Carrier Sine, Square, Ramp, Noise, Pulse, Arb
Type Count (1–1 M cycles), Innite, Gated
Carrier Frequency 2 mHz – Maximum output frequency
Stop/Start phase 0 Deg to 360 Deg
Internal Period 1 µs – 1000 seconds
Trigger Source Internal, External, Manual
Gated Source Internal, External
Trigger Delay Maximum of 100 seconds
Sweep Characteristics
Carrier Sine, Square, Ramp, Arb
Type Linear, Log
Direction Up, Down
Carrier Frequency 1 µHz – Maximum output frequency
Sweep Time 1 ms – 500 seconds
Trigger Source Internal, External, Manual
Frequency Counter Characteristics
Function Frequency, Period, Positive / Negative Pulse Width, Duty Cycle
Coupling DC, AC, HF REJ
Frequency Range DC: 100 mHz – 200 MHz, AC: 10 Hz – 200 MHz
DC Input Amplitude 100 mV rms – +/- 2.5 V < 100 MHz
200 mV rms – +/- 2.5 V 100 MHz – 200 MHz
AC Input Amplitude 100 mV rms – 5Vp-p < 100 MHz
200 mV rms – 5Vp-p 100 MHz – 200 MHz
Input Impedance 1 M Ohm
Reference Clock Input
Frequency 10 MHz
Amplitude Minimum 1.4 Vp-p
Input Impedance 5 kOhm AC coupled
Reference Clock Output
Frequency 10 MHz Synchronised to the internal reference clock
Amplitude Minimum 2 Vp-p into high impedance load
Output Impedance 50 Ohms
External Trigger Input
V in Low -0.5 V to +0.8 V
V in High 2 V to 5.5 V
Direction Up, Down
Input Impedance 100 kOhms
Minimum Pulse Width 100 ns
Maximum Response Time 100 ns – Sweep, 600 ns – Burst
Trigger Output
V out Low Maximum 0.44 V at 8 mA
V out High Mimimum 3.8 V at -8 mA
Output Impedance 100 Ohms
Maximum Frequency 1 MHz