The GW Instek AFG-4280 is a dual-channel function generator from the GW-Instek AFG-4000 series with a maximum bandwidth of 80MHz and a sample rate of 500MSa/s. The dual-channels allow for settings such as frequency and amplitude coupling and tracking. As part of the mid-level models of the GW Instek AFG-4000 series, it features a very high resolution of 16 bits and a large memory depth of 10Mpts per channel. The AFG-4280 also has multiple waveform outputs such as sine, triangle, square, ramp, pulse, noise, arb, and harmonic. The generator is multifunctional and includes many features such as a sweep, burst, counter function, and multiple analog and digital modulation modes. The AFG-4280 also has a waveform editing function with 146 arbitrary built-in waveforms for editing and output. The device features a 8" touchscreen LCD, making waveforms easily readable and control convenient. Furthermore, the device features USB host/device and LAN interfaces for communication.
| Model | AFG-4125E | AFG-4125AE | AFG-4225E | AFG-4235 | AFG-4260 | AFG-4280 | AFG-4210H | AFG-4225H |
|---|---|---|---|---|---|---|---|---|
| Bandwidth | 25 MHz | 25 MHz | 25 MHz | 35 MHz | 60 MHz | 80 MHz | 100 MHz | 250 MHz |
| Channels | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Vertical resolution | 14 bit | 14 bit | 14 bit | 16 bit | 16 bit | 16 bit | 16 bit | 16 bit |
| Sample rate | 125 MSa/s | 125 MSa/s | 125 MSa/s | 500 MSa/s | 500 MSa/s | 500 MSa/s | 500 MSa/s | 1.25 GSa/s |
| Waveform length | 16 kpts | 16 kpts | 10 Mpts | 10 Mpts | 10 Mpts | 10 Mpts | 10 Mpts | 10 Mpts |
| Touchscreen | No |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
| Price |
| Frequency resolution | 1 µHz |
| Amplitude range | 1 mVpp - 10 Vpp |
| Modulation | AM, DSB-AM, FM, PM, PWM, ASK, PSK, BPSK, QPSK, FSK, 3FSK, 4FSK, OSK, SUM |
| Built-in functions | Sine, Square, Triangle, Ramp, Pulse, Noise, Harmonic, ARB |
| Output impedance | 50 Ω |
| Interfaces | USB host/device, LAN |
| Display | 8" TFT touchscreen LCD (800x480) |
| Dimensions | 340 x 177 x 90 mm |
| Weight | 2.5 kg |
The GW-Instek AFG-4280 comes with the following accessories:
| GW Instek AFG-4000 - User manual | Download | |
| GW Instek AFG-4000 - Datasheet | Download | |
| DTC sample | Download |