20 MHz Dual Channel Function / Arbitrary Generator

Model 4047B

4

www.bkprecision.com

v072519

Specifications

4047B

Channels

2

Frequency Characteristics

Sine

0.01 Hz - 20 MHz

Square

0.01 Hz - 20 MHz

Triangle

0.01 Hz - 2 MHz

Pulse

0.01 Hz - 20 MHz

Resolution

up to 8 digits

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

Offset Range

-4.99 V to 4.99 V (into 50 Ω)

Offset Resolution

10 mV, 3 digits

Offset Accuracy

± 2% ± 10 mV (into 50 Ω)

Output Impedance

50 Ω ± 2%

Output Protection

Protected against short circuit or accidental voltage

practically available in electronic laboratories, applied to the main

output connector

Waveform Characteristics

Harmonic Distortion

(3 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

Rise/Fall Time (square, pulse)

≤ 20 ns (10% to 90% at full amplitude into 50 Ω)

Variable Duty Cycle/Symmetry

Square: 20% - 80% to 1 MHz

Triangle: 1% - 99% in 1% steps, up to 200 kHz

Symmetry Accuracy at 50%

± 1%

Pulse Width

(period 100 s - 50 ns)

10 ns to <(Period - 10 ns), 10 ns resolution

Variable Edge Time

100 ns to Width/0.625 (50 % duty cycle)

10 ns resolution

Jitter (square, pulse)

< 50 ps rms (cycle-to-cycle, typical)

Arbitrary Waveform Characteristics

Sampling Rate

8 ns to 100 s

Vertical Resolution

14 bits

Accuracy

0.001%

Resolution

4 digits

Waveform Length

2 to 16,382 points

Jitter

< 50 ps rms (cycle-to-cycle, typical)

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 parame-

ters. Frequency of waveform cycle is limited to 1 MHz.

Gate

Same as triggered mode, except waveform is executed for the dura-

tion 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)

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

Minimum width > 50 ns

Input impedance 1 kΩ

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

16,382 points in flash memory

Power Requirements

100 V - 240 V AC ± 10%, 47-63 Hz

Max. Power Consumption

< 30 VA

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)

Safety and EMC Standards

EN55011 for radiated and conducted emissions

EN55082, EN61010, CE approved

Three-Year Warranty

Included Accessories

Power cord, USB (type A to B) interface cable,

certificate of calibration

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.

Modulation Characteristics

Amplitude

Modulation (AM)

Carrier

Sine, Square, or Triangle

Source

Internal, External

Internal Modulation

0.1 Hz - 20 kHz

Depth

0% to 100%

Frequency

Modulation (FM)

Carrier

Sine, Square, or Triangle

Source

Internal, External

Internal Modulation

0.01 Hz - 20 kHz

Deviation

1 µHz to max frequency/2

Frequency Shift

Keying (FSK)

Carrier

Sine, Square, or Triangle

Source

Internal, External

Rate

≤ 100 kHz

Phase

Modulation (PM)

Carrier

Sine, Square, or Triangle

Source

Internal, External

Internal Modulation

0.1 Hz - 20 kHz

Deviation

0 - 360 °,0.1 ° resolution

Pulse Width

Modulation (PWM)

Source

Internal, External

Width

1% to 99%

Internal Modulation

0.01 Hz - 100 kHz