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信号发生器

2010/5/22 14:38:32 阅读:462次

  • 产品名称:信号发生器
  • 定货号:DG-00178-00
  • 推荐:
DDS function generator
Max frequency 120 MHz
27 built-in standard and complex (arbitrary) waveforms
Variable amplitude offset and symetry
Lin and log sweep
AM, FM, FSK, PSK modulation (internal and external)
Various Triggered modes
VFD display
100MHz external frequency counter
RS-232 interface (SCPI)
 
Specifications
Model 4087
Function Generator
Frequency Characteristics
 
Frequency Range
 
 
Sine
1µHz ~ 120MHz
Square
1µHz ~ 40MHz
All Other Waveforms
1µHz ~ 100kHz
Frequency Stability
±1 × 10-6 (22°C ± 5°C)
Resolution
1µHz
Frequency Accuracy
≤ ±5 × 10-6 (22°C ± 5°C)
Data entry Units
s, ms, Hz, kHz, MHz
Waveform Characteristics
 
Main waveforms (Sine, square)
 
 
Amplitude resolution
12 bits
Sample Rate
300MSa/s
Sine
 
 
Harmonic Distortion of Sine Wave*
≤ -50dBc (frequency ≤ 5MHz)
≤ -45dBc (frequency ≤ 10MHz)
≤ -40dBc (frequency ≤ 20MHz)
≤ -35dBc (frequency ≤ 40MHz)
≤ -30dBc (frequency > 40MHz)
Total Harmonic Distortion*
0.1% (20Hz ~ 100kHz)
Square
 
 
Rise and fall time*
≤ 15ns
* = Note: Test conditions for harmonic distortion, sine distortion, rise/fall time Output Amplitude 2Vp-p, Environmental temperature: 25°C ± 5°C
 
Other built-in waveforms:
 
 
27 build-in standard and complex waveforms.
Sine, Square, Triangle, Positive Ramp, Falling Ramp, Noise, Pulse, Positive Pulse, Negative Pulse, Positive DC, Negative DC, Stair wave, Coded Pulse, Full wave rectified, Half-wave rectified, Sine transverse cut, Sine vertical cut, Sine phase modulation, Logarithmic, Exponential, Half-round, sin x/x, Square root, Tangent, Cardiac, Earthquake, Combination
Waveform Length
4096 dots
Amplitude Resolution
10 bits
Pulse Wave
 
 
Duty Cycle
0.1% ~ 99.9% (below 10kHz), 1% ~ 99% (10kHz ~ 100kHz)
Rise/Fall Time
≤ 100ns (Duty Cycle 20%)
DC signal characteristics
 
 
DC range
≤ 10mV - 10V (high impedance)
DC Accuracy
≤ ±5% of setting +10mV (high impedance)
Amplitude Characteristics
 
Amplitude Range
for Freq ≤ 40MHz: 2mV ~ 20Vpp (open circuit), 1mV ~ 10Vpp (50Ω)
for Freq > 40MHz: 0.1mV ~ 3Vpp (50Ω)
Resolution
2µVpp (open circuit), 1µVpp (50Ω)
Accuracy
±1% + 0.2mV (sine wave relative to 1kHz)
Stability
±0.5% / 3 hours
Flatness
 
 
For amplitude ≤ 2Vpp
±3% (frequency ≤ 5MHz), ±10% (5MHz < frequency ≤ 40MHz)
For amplitude > 2Vpp
±5% (frequency ≤ 5MHz), ±10% (5MHz < frequency ≤ 20MHz)
±20% (frequency > 20MHz)
±1dBm (frequency > 40MHz)
Output Impedance
50Ω
Output Units
Vpp, mVpp, Vrms, mVrms, dBm
DC Offset Characteristics
 
Offset Range (open circuit)
 
 
Freq ≤ 40MHz
±10Vpk ac + dc (Offset ≤ 2 × peak-to-peak amplitude)
Freq > 40MHz
±2Vpk ac + dc (Offset ≤ 2 × peak-to-peak amplitude)
Offset Resolution
2µV (open circuit), 1µV (50Ω)
Offset Error
±5% of setting + 10mV (Ampl. ≤ 2Vpp into open circuit)
±5% of setting + 20mV (Ampl. > 2Vpp into open circuit)
AM Characteristics
 
Carrier Waveforms
sine or square
Modulation Source
internal or external
Internal Modulating Waveform
sine, square, triangle, rising/falling ramp
Frequency of modulating signal
100µHz ~ 20kHz
Distortion
≤ 2%
Modulation Depth
1% ~ 120%
1% ~ 80% (frequency > 40MHz, Ampl > 2Vpp into open circuit)
Modulation Error
±5% + 0.2% (100µHz < frequency ≤ 10kHz)
±10% + 2% (10kHz < frequency ≤ 20kHz)
Max. Amplitude of ext. input signal
3Vp-p (-1.5V ~ +1.5V)
FM Characteristics
 
Carrier Waveforms
sine or square
Modulation Source
internal or external
Internal Modulating Waveform
sine, square, triangle, rising/falling ramp
Frequency of modulating signal
100µHz ~ 10kHz
Deviation
Max. 50% of carrier frequency for internal FM
Max. 100kHz (carrier frequency ≥ 5MHz) for external FM, with input signal voltage 3Vp-p (-1.5V ~ +1.5V)
FSK Characteristics
 
Carrier Waveform
sine or square
Control Mode
internal or external trigger (external: TTL level, low level F1, high level F2)
FSK Rate
0.1ms ~ 800s
PSK Characteristics
 
Carrier Waveform
sine or square
PSK
Phase 1 (P1) and Phase 2 (P2), range: 0.0 ~ 360.0°
Resolution
0.1°
PSK rate
0.1ms ~ 800s
Control Mode
internal or external trigger (external: TTL level, low level P1, high level P2)
Burst Characteristics
 
Carrier Waveform
sine or square
Burst Counts
1 ~ 10000 cycles
Time interval between bursts
0.1ms ~ 800s
Control Mode
internal, single or external gated trigger
Frequency Sweep Characteristics
 
Carrier Waveform
sine or square
Sweep Time
1ms ~ 800s (linear), 100ms ~ 800s (log)
Sweep Mode
Linear or Logarithmic
Start/Stop Frequency
same as frequency range of sine and square
External trigger signal frequency
DC ~ 1kHz (linear) DC ~ 10Hz (log)
Control Mode
Internal or external trigger
Inputs/Outputs
 
Main OUTput
 
 
Impedance
50Ω
Protection
Short circuit and overload protected
Amplitude
5Vp-p ± 5%
Output Impedance
600Ω
 
Output MOD OUT
 
 
Frequency
100Hz ~ 20kHz
Waveform
sine, square, triangle, rising/falling ramp
Amplitude
5Vp-p ± 5%
Output Impedance
600Ω
Modulation IN
3 Vpp = 100% Modulation
External Input Trig / FSK / Burst
Level - TTL
State Storage Characteristics
 
Storage Parameters
frequency, amplitude, waveform, DC offset values, modulation parameters
Storage Capacity
10 user configurable stored states
Universal Counter
Frequency Range
 
Frequency Measurement
1Hz ~ 100MHz
Totalize mode
50MHz max
Input Characteristics
 
Sensitivity
 
 
Input attenuator disabled
50mVrms (f: 10Hz ~ 50MHz), 100mVrms
(f: 1Hz ~ 100MHz)
Input attenuator enabled
0.5Vrms (f: 10Hz ~ 50MHz), 1Vrms
(f: 1Hz ~ 100MHz)
Max. Input Voltage Allowed
100Vp-p (f ≤ 100kHz), 20Vp-p (1Hz ~ 100MHz)
Input Impedance
R > 500kΩ, C < 30pF
Coupling
AC
Waveform
sine or square
Low Pass Filter
cut off frequency about 100kHz (with internal attenuation: ≤ -3dB) with external attenuation: ≥ -30 dB (f > 1MHz)
Gate Time Setting
10ms ~ 10s continuously adjustable
Display Bits
8 (for gate Time > 5s)
Totalize Capacity
≤ 4.29 × 109
Control Mode
manual or external gate control
Accuracy
time base error ± trigger error (when signal SNR > 40dB, trigger error ≤ 0.3)
Time base
 
 
Frequency
10MHz
Stability
±1 × 10-6 (22°C ± 5°C)
General
Power Supply
198 ~ 242V or 99 ~ 121V, Frequency: 47 ~ 63Hz
Power Consumption
< 35VA
Operating Temperature
0° to +40 °C
Operating Humidity
80% R.H
Storage Temperature
-40°C to 70°C
Dimensions (W × H × D)
10” x 3.93” x 14.56”
(255 mm × 100 mm × 370 mm)
Weight
7.7 lbs, (3.5 kg)
Remote Interface
RS232
Safety designed to
EN61010
EMC tested to
EN55022, EN55024, EN61326, EN60100

定货信息:
定货号 产品名称 规格配置 价格
DG-00178-00 标准配置或电话咨询010-84851836 咨询
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