Gerador de Funções Arbitrárias Rigol DG1022A DG1022U 25MHz

Publicado em Geradores de Funções/RF

Neste artigo, apresentamos o gerador de funções Rigol da série DG1000, modelo DG1022U, com capacidade de gerar sinais senoidais de até 25MHz com taxa de amostragem de 100MSa/s com até 14 bits de resolução para sinais arbitrários (com definição de ponto a ponto). Além do modelo DG1022U, contamos também com o modelo DG4062 de até 160MHz (série 4000).

Especificações Técnicas

Frequency	DG1022		DG1022A
Waveforms	Sine, Square, Ramp, Triangle, Pulse, Noise, Arb
Sine	1 µHz ~ 20 MHz		1µHz ~ 25MHz
Square	1 µHz ~ 5 MHz		1 µHz ~ 5 MHz
Pulse	500 µHz ~ 3 MHz		500µHz ~ 5 MHz
Ramp/Triangle	1 µHz ~ 150 kHz		1 µHz ~ 500 kHz
White Noise	5 MHz bandwidth (-3 dB)		5 MHz bandwidth (-3 dB)
Arb.	1 µHz ~ 5 MHz		1µHz ~ 5MHz
Resolution	1 µHz
Accuracy	± 50 ppm in 90 days ± 100 ppm in 1 year 18°C ~ 28°C
Temperature Coefficient	< 5 ppm/°C
Sine Wave Spectrum Purity	CH1		CH2
Harmonic Distortion	≤1 Vpp	>1 Vpp	≤1 Vpp	>1 Vpp
DC-1 MHz	-45 dBc	-45 dBc	-45 dBc	-45 dBc
1 MHz - 5 MHz	-45 dBc	-40 dBc	-45 dBc	-40 dBc
5 MHz - 20 MHz	-45 dBc	-35 dBc	-45 dBc	-35 dBc
Total Harmonic Distortion	DC ~ 20 kHz, 1 Vpp <0.2%
Spurious Signal (non-harmonic)	DC ~ 1 MHz < -70 dBc 1 MHz ~ 10 MHz < -70 dBc + 6 dB/octave
Phase Noise	10kHz Offset, –108 dBc / Hz (typical)
Square Wave
Rise/Fall Time	< 20 ns (10% ~ 90%), (typical, 1 kHz, 1 Vpp)
Overshoot	< 5% (Typical, 1 kHz, 1 Vpp)
Duty Cycle	1 µHz ~ 3 MHz 20% ~ 80% 3 MHz (not contain) ~ 4 MHz 40% ~ 60% 4 MHz (not contain) ~ 5 MHz 50%
Asymmetry (below 50% Duty Cycle)	1% of period + 20 ns (typical, 1 kHz, 1 Vpp)
Jitter	6 ns + 0.1% of period (typical, 1 kHz, 1 Vpp)
Ramp Wave
Linearity	< 0.1% of peak output (typical, 1 kHz, 1 Vpp, 100% Symmetry)
Symmetry	0% to 100%
Pulse Wave
Pulse Width	2000 s max period; 20 ns min period; 1 ns resolution
Overshoot	< 5%
Jitter	6 ns + 100 ppm of period
Arb Wave	CH1		CH2
Waveform Length	4k points		1k points
Vertical Resolution	14 bits (including sign)		10 bits (including sign)
Sampling Rate	100 MSa/s		100 MSa/s
Minimum Rising /Falling Time	35 ns (Typical)		35 ns (typical)
Jitter (RMS)	6 ns + 30 ppm (typical)		6 ns + 30 ppm (typical)
Nonvolatile Storage (Total:10 Waveforms)	10 waveforms		10 waveforms
Output Characteristics	DG1022		DG1022A
Amplitude (50 Ω)	CH1 2 mVpp ~ 10 Vpp	CH2 2 mVpp ~ 3 Vpp	CH1 =20MHz: 2 mVpp~10 Vpp; >20MHz: 2 mVpp~5 Vpp;	CH2 2 mVpp ~ 3 Vpp
Vertical Accuracy (1 kHz Sine) [1]	± (2% of setting +2 mVpp)		± (2% of setting +2 mVpp)
Amplitude Flatness (relative to 1 kHz, 5 Vpp Sine wave) [1]	<100 kHz 0.1 dB 100 kHz ~ 5 MHz 0.15 dB 5 MHz ~ 20 MHz 0.3 dB		<100 kHz 0.1 dB 100 kHz ~ 5 MHz 0.15 dB 5 MHz ~ 20 MHz 0.3 dB
DC Offset	CH1		CH2
Range (DC)	5 V (50 Ω) 10 V (High Z)		1.5 V (50 Ω) 3 V (High Z)
Offset Accuracy	± (2% of the \|Offset Setting\| + 2 mV)		± (2% of the \|Offset Setting\| + 2 mV)
Impedance	50 Ω (typical)		50 Ω (typical)
Protection [2]	Short-circuit protected, overload relay automatically disables main output		Short-circuit protected
AM (CH1)
Carrier Waveforms	Sine, Square, Ramp, Arb (except DC)
Source	Internal/ External
Modulation Waveforms	Sine, Square, UpRamp, DnRamp, Triangle, Noise, Arb (2 mHz to 20 kHz)
Depth	0% ~ 120%
FM (CH1
Carrier Waveforms	Sine, Square, Ramp, Arb (except DC)
Source	Internal/ External
Modulation Waveforms	Sine, Square, UpRamp, DnRamp, Triangle, Noise, Arb (2 mHz to 20 kHz)
Frequency Deviation	DC ~ 10 MHz
PM (CH1)
Carrier Waveforms	Sine, Square, Ramp, Arb (except DC)
Source	Internal/ External
Modulation Waveforms	Sine, Square, UpRamp, DnRamp, Triangle, Noise, Arb (2 mHz to 20 kHz)
Phase Deviation	0 ~ 360°
FSK (CH1)
Carrier Waveforms	Sine, Square, Ramp, Arb (except DC)
Source	Internal/ External
Modulating Waveforms	50% duty cycle square (2 mHz to 50 kHz)
Sweep (CH1)
Carrier Waveforms	Sine, Square, Ramp, Arb (except DC)
Type	Linear or Logarithmic
Direction	Up or Down
Sweep Time	1 ms to 500 s ± 0.1%
Trigger Source	Internal/External/Manual
Burst (CH1)
Waveforms	Sine, Square, Ramp, Pulse, Noise, Arb (except DC)
Types	Count (1 to 50,000 periods), infinite, gated
Start Phase	-180° to +180°
Internal Period	1 µs – 500 s ± 1%
Gate Source	External Trigger
Trigger Source	Internal/External/Manual
Rear Panel Connector [3]
External Modulation	± 5 Vpk = 100% modulation 5 kΩ input impedance
External Trigger	TTL compatible
Trigger Input
Input Level	TTL compatible
Slope	Rising or falling (selectable)
Pulse Width	> 100 ns
Input Impedance	> 10 kΩ, DC coupled
Latency	Sweep: < 500 µs (typical) Burst: < 500 ns (typical)
Trigger Output
Electrical Level	TTL compatible
Pulse Width	> 400 ns (typical)
Output Impedance	50 Ω, DC coupled
Maximum Rate	1 MHz
Sync Output (CH1)
Electrical Level	TTL compatible
Pulse Width	> 50 ns (typical
Output Impedance	50 Ω (typical)
Maximum Frequency	2 MHz
Counter Specification
Function	Frequency, period, positive/negative Pulse width, Duty cycle
Function	Frequency, period, positive/negative Pulse width, Duty cycle
Frequency Range	Single channel: 100 mHz ~ 200 MHz
Frequency Resolution	6 digits/second
Voltage Range and Sensitivity (non-modulation signal)
Auto mode	1 Hz ~ 200 MHz		200 mVpp ~ 5 Vpp
Manual mode	DC coupled		DC offset range 100 mHz ~ 100 MHz 100 MHz ~ 200 MHz	± 1.5 VDC 20 mVRMS ~ ± 5 Vac+dc 40 mVRMS ~ ± 5 Vac+dc
	AC coupled		1 Hz ~ 100 MHz 50 mVpp ~ ± 5 Vpp	100 MHz ~ 200 MHz 100 mVpp ~ ± 5 Vpp
Pulse width and Duty cycle Measure	1 Hz ~ 10 MHz (100 mVpp ~ 10 Vpp)
Input adjust	Input impedance Coupling mode High frequency restrain sensitivity		1 MΩ AC, DC High frequency noise restrain (HFR) On or Off Low, Medium, High
Trigger mode	The trigger level can adjust manually/ automatically Trigger level range: ± 3 V (0.1% to 100%) Resolution: 6 mV
General Specifications
Display
Display Type	Black and White LCD Screen
Display Resolution	256 Horizontal x 64 Vertical
Grey Degree	4 Level Grey
Display Contrast (typical)	150 : 1
Backlight Brightness (typical)	300 nit
Power Supply
Supply Voltage	100 ~ 240 VAC RMS , 45 ~ 440 Hz, CAT II
Power Consumption	Less than 40 W
Fuse	2 A, T Level, 250 V
Environment
Ambient Temperature	Operation: 10C ~ +40? Non-operation: -20C ~ +60C
Cooling Method	Natural cooling
Humidity Range	Below +35C: =90% relative humidity +35C~+40C: =60%relative humidity
Height above sea level	Operation: below 3,000m Non-operation: below 15,000m
Mechanism
Dimension	Width Height Depth		232 mm 108 mm 288 mm
Weight	Net Weight Gross Weight		2.65 kg 4 kg
IP Protection
IP2X
Calibration Interval
One year suggested