Product Specifications
Product Description
Main Features:
1. Direct Digital Synthesis(DDS) technology,2 independent output channels
2. 3.5-inch TFT display
3.32 kinds of standard or built-in fixed waveforms
4. Minimum stable output waveform: 1mV(50Ω)
5. Multiple modulation functions: FM,FSK,ASK,PSK
6. Frequency sweep,amplitude sweep and burst functions
7. Overvoltage,overcurrent,output short-circuit and reverse voltage protections
8. Optional parts:RS232 interface,frequency counter,power amplifier
MODEL (TFT display) | LW-3010 | LW-3020 | LW-3040 | LW-3060 | LW-3080 |
| Frequency Range(sine) | 40mHz~10MHz | 40mHz~20MHz | 40mHz~40MHz | 40mHz~60MHz | 40mHz~80MHz |
Technical Specifications
Output Characteristics of Channel A
Waveform Characteristics
Waveform type: 32 waveforms including: Sine, Square, Triangle, Ramp, Pulse etc.
Waveform length: 1024 points Sample rate: 100MSa/s
Waveform amplitude resolution: 8bits
Sinusoidal harmonic rejection: ≥40dBc (<1MHz), ≥35dBc (1MHz~20MHz)
Sine wave total distortion: ≤1% (20Hz~200kHz)
Square rise/fall edge time: ≤35ns Overshoot: ≤10%
Square wave duty cycle: 1%~99%
Frequency Characteristics
Frequency range: Sine: 40mHz~Max. frequency (MHz) Other waveforms: 40mHz~1MHz
Frequency resolution: 40mHz
Frequency accuracy: ±(5×10-5+40mHz)
Frequency stability: ±5×10-6/3 hours
Amplitude Characteristics
Amplitude range: 2mVpp~20Vpp 40mHz~10MHz (high impedance)
2mVpp~15Vpp 10MHz~15MHz (high impedance)
2mVpp~8Vpp 15MHz~20MHz (high impedance)
Resolution: 20mVpp (amplitude>2Vpp), 2mVpp (amplitude<2Vpp)
Amplitude accuracy: ±(1%+2mVrms) (high impedance, true RMS, frequency at 1kHz)
Amplitude stability: ±0.5%/3 hours
Amplitude flatness: ±5% (frequency<10MHz), ±10% (frequency >10MHz)
Output impedance: 50Ω
DC Offset Characteristics
Offset range: ±10V (high impedance, attenuation 0dB) Resolution: 20mVdc
Offset accuracy: ±(1%+20mVdc)
Sweep Characteristics
Linear sweep on frequency or amplitude.
Sweep range: free to set start point and stop point.
Sweep step: higher than any figure of resolution.
Sweep rate: 10ms~60s/step
Sweep mode: UP, DOWN, UP-DOWN
Manual sweep: step/time
Frequency Modulation Characteristics
Carrier signal: channel A signal
Modulation signal: internal signal of channel B or external signal
FM deviation: 0%~20%
Shift Keying Characteristics
FSK: free to set carrier frequency and hop frequency
ASK: free to set carrier amplitude and hop amplitude
PSK: hop phase 0~360°, Max. resolution 1°
Alternative rate: 10ms~60s
Burst Characteristics
Carrier signal: channel A signal
Trigger signal: TTL_A signal
Burst count: 1~65000 cycles
Burst mode: Internal TTL, External, Single
Output Characteristics of Channel B
Waveform Characteristics
Waveform type: 32 waveforms including: Sine, Square, Triangle, Ramp, Pulse etc.
Waveform length: 1024 points Sample rate: 12.5MSa/s
Waveform amplitude resolution: 8bits
Square duty cycle: 1%~99%
Frequency Characteristics
Frequency range: Sine: 10mHz~1MHz Other waveforms: 10mHz~100kHz
Frequency resolution: 10mHz
Frequency accuracy: ±(1×10-5+10mHz)
Amplitude Characteristics
Amplitude range: 50mVpp~20Vpp (high impedance) Resolution: 20mVpp
Output impedance: 50Ω
Burst Characteristics
Carrier single: channel B signal
Trigger signal: TTL_B signal
Burst count: 1~65000 cycles
Burst mode: Internal TTL, External, Single
TTL Output Characteristics
Waveform Characteristics: Square, rise/fall time≤20ns
Frequency Characteristics: 40mHz~1MHz
Amplitude Characteristics: TTL, CMOS compatible, low<0.3V, high>4V
u Common Characteristics
Power Source
Voltage: AC220V (1±10%)
AC110V (1±10%) (Pay attention to the voltage selection on rear panel)
Frequency: 50Hz (1±5%)
Power: <45VA
Environment
Temperature: 0~40ºC Humidity: <80%
Operation Characteristics
Keypad operation and rotary knob operation
Display
3.5-inch TFT display
English, Chinese (simplified), Chinese (traditional)
Dimension and Weight
415mmx295mmx195mm Weight: 3.5kg
Manufacturing Technology
Surface Mount Technology, Integrated Circuit. High reliability and stability.
Optional Parts Characteristics
Frequency Counter
Testing frequency range: 1Hz~150MHz
Input signal amplitude: 100mVpp~20Vpp
Power Amplifier
Max.output power: 7W (8Ω), 1W (50Ω)
Max.output voltage: 22Vpp
Frequency bandwidth: 1Hz~200kHz
Founded in 1996,Hongkong Longwei Instrument Co., Ltd. is a research and development, production and sales in one of the science and technology enterprise. The professional production oscilloscope, DC power supply, power inverter, LCR digital bridge, audio sweep generator, signal generator, Millivoltmeter wire tester, leakage tester, pressure instrument, such as more than 120 kinds of measuring teaching equipment, and industrialspecial equipment. Excellent quality, select longwei. Thank you for your trust and support of the company Longwei!
