信号发生器

2010/5/22 14:42:18 阅读：427次

产品名称：信号发生器
定货号：DG-00174-00

推荐：

20Mhz Frequency range (sine & square)

Sine, square and triangle waveforms

Modulation in both AM and FM

Lin and Log Sweep function

Adjustable offset and duty cycle

Bright informative LCD

Specifications		Model 4040DDS
Frequency Characteristics (Standard Waveforms)
Sine		0.1 Hz to 20 MHz
Square		0.1 Hz to 20 MHz
Triangle, Ramp		0.1 Hz to 2 MHz
Accuracy		0.01% (100 ppm)
Resolution		4 digits or 10 mHz
Output Characteristics
Amplitude Range		10 mV to 10 Vp-p into 50 Ω
Resolution		3 digits (1000 counts)
Amplitude Accuracy		±2% ± 20 mV of the programmed output from 1.01 V - 10 V
Flatness		0.5 dB at 1 MHz 1 dB to 20 MHz
Offset Range		±4.5 V into 50 Ω, depending on the Amplitude setting
Offset Resolution		10 mV with 3 digits resolution
Offset Accuracy		±2% ± 10 mV into 50 Ω
Output Impedance		50 Ω
Output Protection		The instrument output is protected against short circuit or accidental voltage practically available in electronic laboratories, applied to the main output connector
Waveform Characteristics
Harmonic Distortion		0 - 20 kHz, -50 dBc 20 kHz - 100 kHz, -45 dBc 100 kHz - 1 MHz, -40 dBc 1 MHz - 20 MHz, -30 dBc
Spurious		DC - 1 MHz, < -55 dBc
Square Rise/Fall Time		< 20 ns (10% to 90%) at full amplitude into 50 Ω
Variable Duty Cycle		20% to 80% to 2 MHz for Square and 10% - 90% for Triangle
Symmetry at 50%		< 1%
Operating Modes
Continuous		Output continuous at programmed parameters.
Triggered		Output quiescent until triggered by an internal or external trigger, then one waveform cycle is generated to programmed parameters, up to 2 MHz
Gate		Same as triggered mode, except waveform is executed for the duration of the gate signal. The last cycle started is completed.
Trigger Source		Trigger source may be internal, external or manual. Internal trigger rate 10 µs to 10 s.
Modulation Characteristics
Amplitude Modulation
	Internal	Sine signal of 1000 Hz Variable modulation from 0% to 100% in 1% steps
	External	5 Vp-p for 100% modulation, 10 kΩ input impedance, DC to 20 kHz bandwidth.
Frequency Modulation
	Internal	Sine signal of 1000 Hz
	External	5 Vp-p for 100% deviation, 10 kΩ input impedance, DC to 20 kHz bandwidth.
Sweep Characteristics
Sweep Shape		Linear and Logarithmic, up or down
Sweep Time		10 ms to 50 s.
Inputs and Outputs
Trigger In		TTL compatible. Max. rate 2 MHz. Minimum width 50 ns.
Sync Out		TTL pulse at programmed frequency, 50 Ω source impedance.
Modulation In		5 Vp-p for 100% modulation. 10 kW input impedance. DC to > 20 kHz minimum bandwidth.
General
Dimensions		8.4'' (213 mm) wide 3.5'' (88 mm) high 8.3'' (210 mm) deep
Weight		Approx 2.5 kg.
Power		90 V - 264 V, 30 VA max
Temperature
	Operating	0°C to +50°C
	Non-operating	-10°C to +70°C
EMC		According to EN55011 for radiated and conducted emissions.
Electrical Discharge Immunity		According to EN55082
Safety Specifications		According to EN61010
Note: Specifications are verified according to the performance check procedures in the technical manual. Specifications not verified in the manual are either explanatory notes or general performance characteristics only