company logo BK 4040DDS
20MHz DDS Sweep Function Generator
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BK 4040DDS
20MHz DDS Sweep Function Generator



BK 4040DDS
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 BK 4040DDS

Features:
  • 20MHz Frequency Range (sine & square only)
  • Sine, Square, & Triangle
  • Modulation in both AM & FM
  • Lin or Log Sweep Function
  • Adjustable Duty Cycle
  • Adjustable DC Offset
  • Bright Informative LCD



  Description

The model 4040DDS is a must have for anyone needing a low cost, full featured direct digital synthesis (DDS) generator with a menu-driven front panel interface that includes a large, easy-to-read graphical LCD display. Waveform parameter changes and data entry can be made using the front panel rotary knob. The unit generates superb quality waveforms with high signal precision and stability. It provides sine & square wave outputs over the frequency range from 0.1 Hz to 20 MHz in one extended range (triangle/ramped wave outputs to 2MHz). A full range of triggering capabilities is available, including internal-external trigger source, gated and burst modes of operation.




  Models, Options, & Accessories


Model Description List Price Sale Price
4040DDS 20MHz DDS Sweep Function Generator $699.00
$594.15 
Model Accessories List Price Sale Price
CC-150 BNC to BNC, RG/58U, 48"
$10.40 
CC-21 BNC Breakout to Alligator Clips
$11.50 
TLFG Function Generator Test Leads Set
$82.00 



  Specifications

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




 

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