Máy phát xung Tektronix AFG2021 (20Mhz, 1Ch, 250 MS/s)

Channels

1

Waveforms

Sine, Square, Pulse, Ramp, Noise, DC, Sin(x)/x, Gaussian, Lorentz, Exponential Rise, Exponential Decay, and Haversine

Sine Wave

1 μHz to 20 MHz

   Sine Wave in Burst Mode

1 μHz to 10 MHz

   Effective Maximum Frequency Out

20 MHz

Amplitude Flatness (1 Vp-p)

   <5 MHz

±0.15 dB

   5 MHz to 20 MHz

±0.3 dB

Harmonic Distortion (1 Vp-p)

   10 Hz to 20 kHz

<–70 dBc

   20 kHz to 1 MHz

<–60 dBc

   1 MHz to 10 MHz

<–50 dBc

   10 MHz to 20 MHz

<–40 dBc

   THD

<0.2% (10 Hz to 20 kHz, 1 Vp-p)

Spurious (1 Vp-p)

   10 Hz to 1 MHz

<–60 dBc

   1 MHz to 20 MHz

<–50 dBc

   Phase Noise, Typical

20 MHz: <–110 dBc/Hz at 10 kHz offset, 1 Vp-p

   Residual Clock Noise

–63 dBm

Square Wave

1 μHz to 10 MHz

   Rise/Fall Time

≤18 ns

   Jitter (RMS), Typical

<500 ps

Ramp Wave

1 μHz to 200 kHz

   Linearity

≤0.1% of peak output at 10% to 90% of amplitude range

   Symmetry

0.0% to 100.0%

Pulse Wave

1 mHz to 10 MHz

   Pulse Width

30.00 ns to 999.99 s

   Resolution

10 ps or 5 digits

   Pulse Duty

0.001% to 99.999% (Limitations of pulse duty width apply)

   Edge Transition Time

18 ns to 0.625 × Pulse Period

   Resolution

10 ps or 4 digits

   Lead Delay

      Range

Continuous Mode: 0 ps to Period

Trigger/Gate Burst Mode: 0 ps to Period – [Pulse Width + 0.8 × (Leading Edge Time + Trailing Edge Time)]

      Resolution

10 ps or 8 digits

   Overshoot, Typical

<5%

   Jitter (RMS), Typical

<500 ps

Other Waveforms

1 μHz to 200 kHz

Noise Bandwidth (–3 dB)

20 MHz

   Noise Type

White Gaussian

DC (into 50 Ω)

–5 V to +5 V

Arbitrary Waveforms

1 mHz to 10 MHz

   Arbitrary Waveforms in Burst Mode

1 mHz to 5 MHz

   Effective Analog Bandwidth (–3 dB)

34 MHz

   Nonvolatile Memory

4 waveforms

   Memory: Sample Rate

2 to 128k: 250 MS/s

   Vertical Resolution

14 bits

   Rise/Fall Time

≤20 ns

   Jitter (RMS)

4 ns

Amplitude, 50 Ω Load

10 mVp-p to 10 Vp-p

Amplitude, Open Circuit

20 mVp-p to 20 Vp-p

   Accuracy

±(1% of setting + 1 mV), (1 kHz sine waveform, 0 V offset, >10 mVp-p amplitude)

   Resolution

0.1 mVp-p, 0.1 mVRMS, 1 mV, 0.1 dBm, or 4 digits

   Units

Vp-p, VRMS, dBm (sine wave only)

   Output Impedance

50 Ω

   Load Impedance Setting

Selectable: 50 Ω, 1 Ω to 10.0 kΩ, High Z (adjusts displayed amplitude according to selected load impedance)

   Isolation

<42 VPeak maximum to earth

   Short-circuit Protection

Signal outputs are robust against permanent shorts against floating ground

   External Voltage Protection

To protect signal outputs against external voltages use fuse adapter 013-0345-00

   DC Offset Range, 50 Ω Load

±(5 VPeak – amplitude Vp-p/2)

   DC Offset Range, Open Circuit

±(10 VPeak – amplitude Vp-p/2)

      Accuracy

±(1% of |setting| + 5 mV + 0.5% of amplitude (Vp-p))

      Resolution

1 mV

Carrier Waveforms

All, including ARB, except Pulse, Noise, and DC

Source

Internal/External

Internal Modulating Waveform

Sine, Square, Ramp, Noise, ARB (AM: Maximum waveform length 4,096; FM/PM: Maximum waveform length 2,048)

Internal Modulating Frequency

2 mHz to 50.00 kHz

AM Modulation Depth

0.0% to +120.0%

Min FM Peak Deviation

DC

Max FM Peak Deviation

10 MHz

Carrier Waveforms

All, including ARB, except Pulse, Noise, and DC

Source

Internal/External

Internal Modulating Frequency

2 mHz to 1.000 MHz

Number of Keys

2

Carrier Waveform

Pulse

Source

Internal/External

Internal Modulating Waveform

Sine, Square, Ramp, Noise, ARB (Maximum waveform length 2,048)

Internal Modulating Frequency

2 mHz to 50.00 kHz

Deviation

0% to 50.0% of pulse period

Waveforms

All, including ARB, except Pulse, Noise, and DC

Type

Linear, Logarithmic

Sweep Time

1 ms to 300 s

Hold/Return Time

0 ms to 300 s

Max Total Sweep Time (Sweep + Hold + Return)

300 s

Resolution

1 ms or 4 digits

Total Sweep Time Accuracy, Typical

0.4%

Min Start/Stop Frequency

All except ARB: 1 μHz

ARB: 1 mHz

Max Start/Stop Frequency

Sine: 20 MHz

Square: 10 MHz

ARB: 10 MHz

Others: 200 kHz

Waveforms

All, including ARB, except Noise and DC

Type

Triggered, Gated (1 to 1,000,000 cycles or Infinite)

Internal Trigger Rate

1 μs to 500.0 s

Gate and Trigger Sources

Internal, External, Manual Trigger, and Remote Interface

Input Range

All except FSK: ±1 V full scale

FSK: 3.3 V logic level

Impedance

10 kΩ

Frequency Range

DC to 25 kHz (122 kS/s sample rate)

Level

TTL compatible

Pulse Width

100 ns minimum

Slope

Positive/Negative selectable

Trigger Delay

0.0 ns to 85.000 s

Resolution

100 ps or 5 digits

Jitter (RMS), Typical

Burst: <500 ps (Trigger input to signal output)

Impedance

1 kΩ, AC coupled

Required Input Voltage Swing

100 mVp-p to 5 Vp-p

Lock Range

10 MHz ±35 kHz

Level

Positive TTL level pulse into 1 kΩ

Impedance

50 Ω

Jitter (RMS), Typical

500 ps

Max Frequency

4.9 MHz (4.9 MHz to 20 MHz: A fraction of the frequency is output)

Function Change

95 ms

103 ms

84 ms

Frequency Change

2 ms

19 ms

2 ms

Amplitude Change

60 ms

67 ms

52 ms

Select User ARB

88 ms

120 ms

100 ms

Data Download Time for 4k Point ARB Waveform Data (8 KB), Typical

20 ms

84 ms

42 ms

Frequency Setting Resolution

1 μHz or 12 digits

Phase (except DC, Noise, Pulse)

   Range

–360° to +360°

   Resolution

Sine: 0.01°

Other Waveforms: 0.1°

Internal Noise Add

When activated, output signal amplitude is reduced to 50%

   Level

0.0% to 50% of amplitude (Vp-p) setting

   Resolution

1%

Main Output

50 Ω

Effective Frequency Switching Speed

2 ms through remote control

Internal Frequency Reference

   Stability

All except ARB: ±1 ppm, 0 °C to 50 °C

ARB: ±1 ppm, ±1 μHz, 0 °C to 50 °C

   Aging

±1 ppm per year

Power Source

100 V to 240 V, 50 Hz to 60 Hz or 115 V, 400 Hz

Power Consumption

60 W

Warm-up Time, Typical

20 minutes

Power On Self Diagnostics, Typical

<10 s

Acoustic Noise, Typical

<50 dBA

Display

3.5 in. Color TFT LCD

User Interface and Help Language

English, French, German, Japanese, Korean, Simplified and Traditional Chinese, Russian (User selectable)

Height

104.2

4.10

Weight

241.8

9.52

Depth

419.1

16.50

Weight

kg

lb.

Net

2.87

6.3

Shipping

4.72

10.4

Temperature

   Operating

0 °C to +50 °C

   Nonoperating

–30 °C to +70 °C

Humidity

   Operating

≤80%, +0 °C to +40 °C, noncondensing

≤60%, +40 °C to +50 °C, noncondensing

   Nonoperating

5% to 90%, <+40 °C, noncondensing

5% to 80%, ≥+40 °C to ≤+60 °C, noncondensing

5% to 40%, >+60 °C to ≤+70 °C, noncondensing

Altitude

   Operating

Up to 3,000 m (9,842 ft.)

   Nonoperating

Up to 12,000 m (39,370 ft.)

EMC Compliance

EU Council Directive 2004/108/EC

Safety

UL61010-1; 2004

CAN/CSA C22.2 No. 61010-1; 2004

EN61010-1; 2001

IEC61010-1; 2001