GW Instek AFG-4125E - Single-channel 25MHz arbitrary function generator
25MHz~250MHz frequency bandwidth selections to meet diverse signal generation needs!
AFG-4000 arbitrary function generator series is GW Instek’s first arbitrary function generator series to be equipped with an 8” large touch screen. The frequency bandwidth of the single-channel models is 25MHz, and dual- channel models feature 250MHz/100MHz/80MHz/60MHz/35MHz/25MHz frequency bandwidth selections. The entire series provides high resolution of 1μHz and has built-in standard waveforms such as sine wave, square wave, triangle wave, pulse wave, noise wave, harmonic wave, etc. The highest bandwidth 250MHz model provides 1.25GSa/s sample rate; the mid-range models ranging from 35MHz to 100MHz provide 500MSa/s sample rate; and the 25MHz entry-level models have a sampling rate of 125MSa/s. For vertical resolution, the 35MHz~250MHz models feature 16-bit resolution, and 25MHz entry-level models provide 14-bit resolution. In addition, in terms of memory depth, dual channel 25MHz ~250MHz models provide 10M memory depth, and entry-level single channel 25MHz models provide arbitrary waveform editing function with 16k memory depth. The entire series has built-in 146 arbitrary waveforms for editing and output.
The main differences between each model are shown in the table below:
Single Channel | Dual Channel | |||||||
AFG-4125E | AFG-4125AE* | AFG-4225E | AFG-4235 | AFG-4260 | AFG-4280 | AFG-4210H | AFG-4225H | |
Frequency range (Sine) | 25MHz | 25MHz | 35MHz | 60MHz | 80MHz | 100MHz | 250MHz | |
Sample rate (Sa/s) | 125M | 500M | 1.25G | |||||
Amplitude resolution | 14 bits | 16 bits | ||||||
Memory length | 16k/CH | 10M/CH | ||||||
Touch panel | N/A | Yes | ||||||
Communication Interface | USB(Host, Device) | USB(Host, Device), LAN | ||||||
* Built-in Power Amplifier function |
The dual-channel models provide dual-channel related settings such as frequency coupling, amplitude coupling and tracking, allowing users to quickly set the output related to the two channels. In terms of modulation function, the AFG-4000 series provides AM, DSB-AM, FM, PM, PWM, ASK, PSK, BPSK, QPSK, FSK, 3FSK, 4FSK, OSK, SUM and other modulation signal outputs. Standard functions include Sweep and Burst outputs and the Counter function. AFG-4125AE has a built-in power amplifier. The power output of the amplifier reaches 10W, and the amplification factor reaches 10 times to produce a maximum output of 22V. The independent input/output power amplifier provides a bandwidth range from 5Hz to 100 kHz, which can be used for audio signal and other application requirements.
The AFG-4000 series is equipped with an 8-inch high-resolution TFT LCD, and models above 35MHz are equipped with the touch screen function. The configuration of touch screen makes inputting parameters more convenient. Users only need to touch parameters such as Frequency, Amplitude or DC offset, and a numeric input window will appear on the screen. Users can intuitively input parameters through this window or the numeric keys on the AFG-4000 panel. Through the 8" large screen, touch screen and diverse built-in waveforms, users can control it at will to meet their signal generation needs.
As for the interfaces, the 25MHz models: AFG-4125E/ 4125AE/ 4225E have built-in USB Host/Device interfaces, and the models with higher bandwidths ranging from 35MHz to 250MHz come standard with USB Host/Device and LAN interfaces.
- Provide single-channel or dual-channel output
Single channel:AFG-4125E/4125AE(25MHz)
Dual Channel:AFG-4225E/4235/4260/4280/4210H/4225H (25/35/60/80/100/250MHz) - Built-in Sine, Square, Triangle, Ramp, Pulse, Noise, Harmonic wave, Arbitrary wave
- Min. resolution is 1μHz
- Arbitrary function: Sampling rate
AFG-4225H: 1.25GSa/s
AFG-4235/ 4260/ 4280/ 4210H: 500MSa/s
AFG-4125E/ 4125AE/ 4225E: 125MSa/s - Amplitude Resolution:
AFG-4125E/ 4125AE/ 4225E: 14bits
AFG-4235/ 4260/ 4280/ 4210H/ 4225H:16bits - Memory Length:
AFG-4225E/AFG-4235/ 4260/ 4280/ 4210H/ 4225H: 10M/per channel
AFG-4125E/ 4125AE: 16k/per channel - Modulation: AM, DSB-AM, FM, PM, PWM, ASK, PSK, BPSK, QPSK, FSK, 3FSK, 4FSK, OSK, SUM
- Built-in sweep, burst, counter function
- AFG-4125AE Built-in Power Amplifier function
- Communication interface:
AFG-4235/ 4260/ 4280/ 4210H/ 4225H provide USB, LAN interface
AFG-4125E/ 4125AE/ 4225E provide USB interface - 8” TFT LCD Display, 800*480 resolution; Multi-Touch Display: AFG-4235/ 4260/ 4280/ 4210H/ 4225H
Main Specifications
Channels | 1 |
Waveforms | Sine, Square, Triangle, Pulse, Noise, Harmonic, ARB |
Arbitrary Functions
ARB function | Built-in |
Sample Rate (user-editable sampling rate range from 2μSa/s to 62.5MSa/s) | 125MSa/s |
Repetition Rate (Arbitrary wave) | 15 MHz |
Waveform Length | 2 to 16K points |
Amplitude Resolution | 14 bits |
Minimum rise and fall time | < 10 ns |
Jitter | 8ns |
Non-Volatile Memory | 32MB |
User-defined output section | From point 2~16384 |
User-defined output marker section | From point2~16384 |
Frequency Characteristics
Sine | 25MHz |
Square | 5MHz |
Pulse | 5MHz |
Triangle, Ramp | 1MHz |
Noise (-3dB) | 25MHz BW |
Harmonic Wave | 12.5MHz |
Resolution | 1 μHz or 10 digits |
Accuracy Stability | ±2 ppm at 25°C±5°C |
Aging | ±1 ppm, per 1 year |
Tolerance | ±1 ppm |
Output Characteristics (not specifically marked, the default load is 50Ω)
Output amplitude | 1mVpp to 10Vpp (≤ 25MHz, into 50Ω. 2mVpp to 20 Vpp open-circuit ) 1mVpp to 5Vpp (≤ 60MHz, into 50Ω. 2mVpp to 10 Vpp open-circuit ) 1mVpp to 2.5Vpp (≤ 100MHz , into 50Ω. 2mVpp to 5 Vpp open-circuit ) | ||||||
Bandwidth flatness | ≤10MHz: ±0.2dB ≤60MHz: ±0.3dB ≤100MHz: ±0.5dB (relative to 100 kHz Sine wave, 1 Vpp,50Ω) | ||||||
Amplitude Accuracy | ± (2% of setting + 1 mVpp)(1kHz sine,0V offset, >10mVpp) | ||||||
Resolution | 0.1mVpp or 4 digits (The amplitude ≥ 1Vpp is 1mVpp) | ||||||
Output Impedance | 50Ω (Typical) | ||||||
Output protection | Short circuit protection, the output will be automatically turned off when overloaded | ||||||
DC Offset |
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Sine wave Characteristics
Harmonic distortion (DC Offset set to 0V) | DC to 25MHz: <-50dBc Typical (0dBm) |
Total harmonic distortion | < 0.1 %, 10 Hz to 20 kHz, 1 Vpp |
Non-harmonic distortion | Typical (0dBm) ≤25MHz: <-45dBc |
Phase noise | 10MHz: ≤-110dBc/Hz Typical (0dBm, 10kHz offset) |
Square wave Characteristics
Rise/fall time | < 30ns |
Overshoot | Typical (100 kHz, 1 Vpp) < 5% (50Ω) |
Duty cycle | 50.00% (fixed) |
Triangle wave Characteristics
Linearity | < 0.1% of peak output (typical 1 kHz, 1 Vpp, symmetry 50%)< 0.1% of peak output (typical 1 kHz, 1 Vpp, symmetry 50%) |
Symmetry | 0.0% to 100.0% |
Pulse wave Characteristics
Period | 200 ns to 1000 ks |
Pulse Width | ≥ 48ns |
Duty cycle | 0.1% to 99.9% (limited by the frequency setting) |
Rise and fall time | ≥ 32ns (limited by the pulse width setting) |
Overshoot | Typical (100 kHz, 1 Vpp) < 5% |
Noise wave Characteristics
Types | Gaussian white noise |
Bandwidth (-3dB) | 25MHz BW |
Harmonic wave Characteristics
Harmonic number | ≤16 |
Frequency Range | 1μHz to 12.5MHz |
Harmonic type | Odd, even, sequential, custom |
Harmonic amplitude | Each harmonic amplitude can be set |
Harmonic phase | Each harmonic phase can be set |
Modulation Characteristics
AM |
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DSB-AM |
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FM |
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PM |
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PWM |
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ASK |
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PSK |
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FSK |
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3FSK |
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4FSK |
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BPSK |
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QPSK |
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OSK |
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SUM |
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Sweep Characteristics
Carrier | Sine, square, ramp, ARB (except DC) (ARB length is 8192) |
Minimum/maximum starting frequency | 1uHz |
Maximum stop frequency | . |
Sine wave | 25MHz |
Square wave | 5MHz |
Triangle wave | 1MHz |
Arbitrary wave | 15MHz |
Types | Linear, logarithmic, Step |
Sweep direction | Up / Down |
Sweep time | 1 ms ~ 500 s ± 0.1% |
Trigger source | Internal, external, manual |
Burst Characteristics
Waveform | Sine, square, ramp, pulse, Noise(Except N Cycle) ,ARB (Except DC) (ARB length is 8192) |
Types | Count (1 to 1000,000 cycles), Infinite, gated |
Trigger source | Internal, External, Manual |
Carrier frequency | 2mHz to BW/ 2 |
Trigger cycle | 20ns - 500 s (Min = Cycles * Period) |
Gated source | External trigger |
Counter Specifications
Measurement function | Frequency, period, positive pulse width, negative pulse width,duty cycle | ||||||||||||||
Frequency Range | 100 mHz - 200 MHz | ||||||||||||||
Frequency resolution | 7 digits | ||||||||||||||
Coupling method | AC, DC | ||||||||||||||
Voltage range and sensitivity(non- modulated signal) |
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Power Amplifier Characteristics
- | - |
Input/Output Characteristics
Channel coupling | Channel copy, amplitude syn, frequency syn, align phase | ||||||||
External modulation Input |
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External trigger input |
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External clock input |
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Internal clock output |
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Sync Output |
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General Specifications
Display |
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Communication Interface | USB Host, USB Device | ||||||||
Power |
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Temperature |
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Relative humidity | Less than 35°C: ≤ 90% relative humidity 35°C to 40°C: ≤ 60% relative humidity | ||||||||
Height | Operating 3,000 meters Non-operation 12,000 meters | ||||||||
Pollution Degree | IEC 61010 degree 2, Indoor use | ||||||||
Safety designed | EN61010-1 | ||||||||
Cooling method | Smart fan cooling | ||||||||
Mechanical Specification |
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