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<< B&K Precision Signal and Function Generators

BK Precision 4078
25MHz Dual Channel Arbitrary/Function Generator
  • Dual Channel, 14-bit, 100 MSa/s, 400 k point Arbitrary Waveform Generator
  • 25 MHz Sine / 25 MHz Square waveforms
  • Predefined Pulse, Ramp, Triangle, Noise, Sin (X)/X, Exponential and Gaussian waveforms
  • Both channels offer full functionality. All wave form parameters such as frequency, amplitude and offset can be set independently
  • Synchronize both output signals to the same clock signal (external or internal) and precisely adjust the phase relationship between the two signals
  • Operating Modes: Continuous, Triggered, Gate, Burst, and Phase.
    • Trigger source may be internal, external or manual.
    • Internal trigger rate 0.01 Hz-1 MHz (1 µs – 10 s)
  • Economical baseband I/Q signal source
  • Saves cost and bench space
  • AM, FM and FSK modulation
  • 10 mVpp to 10 Vpp with 1 mVpp settable amplitude resolution
  • Large graphical LCD shows a detailed output waveform representation
  • Fully programmable markers
  • Fully protected output
  • Closed case calibration
  • Arbitrary waveform editing software included
  • SCPI compliant command set
  • See Also: 25 MHz Single CH Arbitrary Waveform  Generator

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BK Precision 4078 Shown

Product Information
Datasheet 521 KB 
Manual 945 KB 

PDF Help
 
The 4078 is a versatile high performance dual channel function/arbitrary waveform generator with the largest arbitrary memory depth in its class. The generator combines the ability to produce nearly any conceivable arbitrary waveform with accuracy and precision and a DDS architecture offering easy to use conventional function generator capabilities. Arbitrary waveforms have 14 bit amplitude resolution, 100 MSa/s sample rate and up to 400,000 points length. Waveforms can be output in continuous, triggered, gated or burst modes. The instrument can be remotely controlled using SCPI compliant commands via RS232.

Extensive features such as internal or external AM, FM and FSK modulation along with versatile sweep capabilities and variable edge pulse generation make this generator suitable for a wide range of applications including electronic design, sensor simulation, functional test or generation of I/Q modulated signals.
 

Specifications
Number of channels Two
Frequency Characteristics
Sine 1 µHz to 25 MHz
Square 1 µHz to 25 MHz
Triangle, Ramp 1 µHz to 5 MHz
Pulse 1 mHz to 10 MHz
Accuracy 0.002 % (20 ppm)
Resolution 12 digits or 1 µHz
Arbitrary Characteristics
Built-in Waveforms Sine, Triangle, Square, Noise, Ramp Up, Ramp Down, Sine(X)/X, Exponential Up, Exponential Down, Gaussian
Waveform Length 2 points to 400,000 points
Vertical Resolution 14 bits (16,384 levels)
Noise Add 1% to 100% to output waveform
Sampling Rate 100 MSa/s, Point execution rate adjustable from 10 ns-50 s
Frequency Accuracy:  0.002% (20 ppm)
Resolution:  4 digits
Output Characteristics
Amplitude Range 10 mV to 10 Vp-p into 50 Ω
Amplitude Resolution 3 digits (1000 counts)
Amplitude Accuracy (1 kHz) ± 1% ± 1 mV
Flatness (relative to 1 kHz) ± 0.2 dB to 1 MHz
± 1 dB to 25 MHz
Offset Range ± 5 V into 50 Ω, depending on the Amplitude setting
Offset Resolution 10 mV with 3 digits resolution
Offset Accuracy ± 1% ± 10 mV into 50 Ω
Output Impedance 50Ω typical
Output Protection The instruments output is protected against short circuit or nominal accidental voltages applied to the main output connector
Waveform Characteristics
Harmonic Distortion (sine) DC-20 kHz, -65 dBc
20 kHz-100 kHz, 60 dBc
100 kHz-5 MHz, -45 dBc
5 MHz-25 MHz, -30 dBc
Spurious (sine) DC-1 MHz; <-60 dBc
Rise/Fall Time (square, pulse) <12 ns (10% to 90%) at full amplitude into 50 Ω
Variable Duty Cycle 20% to 80% to 5 MHz (square)
40% to 60% to 10 MHz (square)
50% >10 MHz (square)
Variable Symmetry 10%-90% to 5 MHz (triangle)
Symmetry at 50% < 1 % + 5 ns
Linearity (triangle, ramp) <0.1% of peak output (1 µHz to 250 kHz)
Pulse Width
(period 10 µs - 0.1 µs)		 20 ns to <(Period-20 ns)
10 ns resolution
Variable Edge Time
(period 100 µs - 0.16 µs)		 100 ns to Width/ 0.625 (50 % duty cycle)
10 ns resolution
Modulation Characteristics
Amplitude Modulation Internal 0.1 Hz-20 kHz sine, square or triangle waveform variable modulation from 0% to 100%
External 5 Vp-p for 100% modulation, 10 kΩinput impedance
Frequency Modulation Internal 0.1 Hz-20 kHz sine wave, square or triangle
External 5 Vp-p for 100% deviation, 10 kΩinput impedance
Sweep Characteristics
Sweep Shape Linear and Logarithmic, up or down
Sweep Time 20 ms to 500 seconds
Sweep Trigger Internal, external, continuous or burst
Inputs and Outputs
Trigger IN TTL Compatible
Maximum rate 10 MHz
Minimum width 50 ns
Sync OUT TTL pulse at programmed frequency, 50 Ωsource impedance
Modulation IN 5 Vp-p for 100% modulation
10kΩ input impedance
DC to >50 kHz minimum bandwidth
Marker Out Positive TTL pulse user programmable in Arbitrary waveform, 50Ω source impedance
Reference IN-OUT 10 MHz, TTL compatible, input or output, for external unit synchronization 50Ω output impedance and 1 kΩ input
Internal Trigger
Repetition 1µs to 100 s
Resolution Four Digits
Accuracy +0.002%
 

General Specifications
Store Memory 50 full panel settings at power-off
Arbitrary Memory 400,000 points in flash memory
Dimensions (WxHxD) 8.4 x 3.5 x 12 inches/ 213 x 88 x 300 mm
Weight Approx. 3 kg (6.6 lbs)
Power 100 VAC-240 VAC ± 10%, 50 VA max.
Temperature Operating 0ºC to + 50ºC
Non-operating -20ºC to + 70ºC
Humidity 95% RH , 0ºC to 30ºC
EMC According to EN55011 for radiated and conducted emissions
Electrical Discharge Immunity According to EN55082
Safety Specifications According to EN61010, CE approved
 

Ordering Information

Model

Description

Buy Online

Price
4078 BK Precision 4078 25MHz Dual Channel Arbitrary/Function Generator Buy Now $2,350.00
4078GPIB BK Precision 4078GPIB 25 MHz Dual Channel Arbitrary / Function Generator with GPIB Buy Now $2,470.00
Single Channel
4075 BK Precision 4075 25MHz Arbitrary/Function Generator Buy Now $1,495.00
4075GPIB BK Precision 4075GPIB 25 MHz Arbitrary / Function Generator with GPIB Interface Buy Now $1,615.00
Included Accessories
 
  • 1 - CD containing user manual and Wave-X software
  • 1 - Null modem serial interface cable
  • 1 - Power Cord

Included

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