B&K Precision 4045B - Datasheet - Manual (Page 3)

www.bkprecision.com
20 MHz DDS Sweep Function Generator with Arb Function
Model 4045B
3
Note: All specifications apply to the unit after a temperature stabilization time of 15
minutes over an ambient temperature range of 23 ºC ± 5 ºC.
Specifications are subject to change without notice.
v022014
Specifications 4045B
Frequency Characteristics
Sine 0.01 Hz to 20 MHz
Square 0.01 Hz to 20 MHz
Triangle 0.01 Hz to 2 MHz
Resolution 6 digits* or 10 mHz
Accuracy
0.001% (10 ppm)
at < 500 Hz: 0.001% + 0.006 Hz
Output Characteristics
Amplitude Range
10 mVpp to 10 Vpp (into 50 Ω);
20 mVpp to 20 Vpp (open circuit)
Amplitude Resolution 3 digits (1,000 counts)
Amplitude Accuracy ± 2% ± 20 mV of programmed output from 1.01 V – 10 V
Flatness
± 0.5 dB to 1 MHz
± 1 dB to 20 MHz
DC Offset Range -4.99 V to 4.99 V (into 50 Ω)
DC Offset Resolution 10 mV, 3 digits
DC Offset Accuracy ± 2% ± 10 mV (into 50 Ω)
Output Impedance 50 Ω ± 2%
Output Protection
Protected against short circuit or accidental
voltage applied to the main output connector
Waveform Characteristics
Harmonic Distortion
(for sine wave at
5 Vp-p into 50 Ω)
0 – 1 MHz, < -60 dBc
1 MHz – 5 MHz, <-50 dBc
5 MHz – 12 MHz, <-45 dBc
12 MHz – 20 MHz, <-50 dBc
Square Rise/Fall Time ≤ 20 ns (10% to 90% at full amplitude into 50 Ω)
Duty Cycle
Square: 20% - 80% to 2 MHz
Triangle: 1% - 99% in 1% steps, up to 200 kHz
Symmetry Accuracy
at 50%
± 1%
Jitter (square) < 100 ps rms (cycle-to-cycle, typical)
Arbitrary Waveform Characteristics
Sampling Rate 20 ns to 50 s
Vertical Resolution 12 bits
Accuracy 0.001%
Resolution 4 digits
Waveform Length 2 to 1000 points
Operating Modes
Continuous Output continuous at programmed parameters
Triggered
Output quiescent until triggered by an internal or external trigger,
at which time one waveform cycle is generated to programmed
parameters. Frequency of waveform cycle is limited to 1 MHz.
Gate
Same as triggered mode, except waveform is executed for the
duration of the gate signal. The last cycle started is completed.
Burst 2-65535 cycles
Trigger Source
Trigger source may be internal, external, or manual. Internal
trigger rate 0.1 Hz – 1 MHz (1 us – 10 s)
Modulation Characteristics
Amplitude Modulation
Internal 0.1 Hz – 20 kHz sine, square, or triangle waveform
External 5 Vp-p for 100% modulation, 10 kΩ input impedance
Frequency Modulation
Internal 0.1 Hz – 20 kHz sine, square, or triangle waveform
External 5 Vp-p for 100% modulation, 10 kΩ input impedance
Sweep Characteristics
Sweep Shape Linear or Logarithmic, up or down
Sweep Time 10 ms to 100 s
Input and Output
Trigger IN
TTL compatible
Maximum rate 1 MHz
Input impedance 1 kΩ
Minimum width > 50 ns
Sync OUT TTL pulse at programmed frequency; 50 Ω source impedance
Modulation IN
5 Vp-p for 100% modulation
10 kΩ input impedance
DC to > 20 kHz minimum bandwidth
Counter Characteristics
Range 50 Hz to 50 MHz
Resolution Auto ranging, up to 8 digits
Accuracy ± 0.02% ± 2 digits
Sensitivity 25 mVrms typical
General
Memory Storage 20 instrument settings
Arbitrary Memory 1,000 points in flash memory
Power Requirements 100 V – 240 V AC ± 10%, 47-63 Hz
Operating
Temperature
32 °F to 122 °F (0 °C to 50 °C)
Storage Temperature 14 °F to 158 °F (-10 °C to 70 °C)
Humidity 95% R.H. 0 °C to 30 °C
Dimensions
(W x H x D)
8.39” x 3.46” x 8.27” (213 x 88 x 210 mm)
Weight 5.5 lbs (2.5 kg)
Electromagnetic
Compatibility
Meets EMC Directive 2004/108/EC, EN55011, EN55082
Safety Meets Low Voltage Directive 2006/95/EC, EN61010
Three-Year Warranty
Included Accessories
Instruction manual on CD, power cord, USB (type A to B)
interface cable, certificate of calibration
* For square wave, resolution is up to 4 digits when frequency is > 20 kHz.