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GW Instek AFG-125 Arbitrary Function Generator
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Item Number: AFG-125
Manufacturer: GW Instek
Part Number: AFG-125
Product Options
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Power Supply Option*
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* Whole number only
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 GW Instek AFG-125 Arbitrary Function Generator GW Instek AFG-125P Arbitrary Function Generator w/power supply |
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GW Instek AFG-125 Arbitrary Function Generator
The AFG-125 is light weight, handy, and has an USB interface capability. Thus making this the perfect choice in collocation with the GDS-2000A series digital oscilloscope. The main features are 2.5Vpp of output amplitude, 25MHz of frequency range, 1uHz of frequency resolution, and and built-in sine waveform, square waveform, triangle waveform, and noise signal. The arbitrary waveform editing software is provided to enter settings fast and easily for measurement.
Features
- Frequency range: 1uHz~25MHz
- 1uHz frequency resolution
- Built-in 120 MSa/s, 10 bit resolution and arbitrary waveform editing function with 4k point memory
- Dual channel models support coupling, tracking, and phase functions
- Square waveform can adjust the duty cycle from 1% to 99%.
- Support various arbitrary waveform editing methods.
- Built-in AM/FM/PM/FSK/SUM(AFG-225/225P) modulation, sweep and burst functions
- USB interface signal control
- AFG-125P/225P provide three DC power selections
 Technical Specifications
| MODEL NUMBER |
|
AFG-125 / AFG-125P |
AFG-225 / AFG-225P |
| OUTPUT CHANNELS |
|
1 |
2 |
| WAVEFORMS |
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Sine, Square, Ramp, Pulse, Noise, ARB |
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ARBITRARY
FUNCTIONS
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Sample Rate |
120 MSa/s |
| Repetition Rate |
60MHz |
| Waveform Length |
4k points |
| Amplitude Resolution |
10 bits |
| Non-Volatile Memory |
4k points |
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FREQUENCY
CHARACTERISTICS
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Range |
Sine/Square |
1uHz~25MHz |
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Ramp |
1uHz~1MHz |
| Resolution |
1uHz |
| Accuracy |
Stability |
±20 ppm |
| Aging |
±1 ppm, per 1 year |
| Tolerance |
≤1 mHz |
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OUTPUT
CHARACTERISTICS
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Amplitude |
Range |
GPA-501 power supply: 1mVpp to 2.5Vpp (into 50Ω), 2mVpp to 5Vpp (open-circuit)
USB power supply : 1mVpp to 2Vpp (into 50Ω), 2mVpp to 4Vpp (open-circuit)
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| Accuracy |
±2% of setting ±1 mVpp (at 1 kHz) |
| Resolution |
1mV or 3 digits |
| Flatness |
±1% (0.1dB) ≤100kHz, ±3% (0.3 dB) ≤5MHz,±5% (0.4 dB) ≤12MHz, ±10%(0.9dB) ≤25MHz(sine wave relative to 1kHz) |
| Units |
Vpp, Vrms, dBm |
| Offset |
Range |
GPA-501 power supply: ±1.25 Vpk ac +dc (into 50Ω), ±2.5Vpk ac +dc (Open circuit)
USB power supply: ±1 Vpk ac +dc (into 50Ω),±2 Vpk ac +dc (Open circuit)
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| Accuracy |
2% of setting + 10mV+ 0.5% of amplitude |
| WAVEFORM OUTPUT |
Impedance |
50Ω typical (fixed), > 10MΩ (output disabled) |
| Protection |
Short-circuit protected. Overload relay automatically disables main output. |
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SINE WAVE CHARACTERISTICS
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Harmonic Distortion
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≤-50 dBc DC ~ 1MHz, Ampl > 1Vpp
≤-35 dBc 1MHz ~ 5MHz, Ampl > 1Vpp
≤-30 dBc 5MHz ~ 25MHz, Ampl > 1Vpp
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SQUARE WAVE CHARACTERISTICS
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Rise/Fall Time |
≤10ns at maximum output. (into 50 Ω load) |
| Overshoot |
<2% |
| Asymmetry |
1% of period +5 ns |
| Variable duty Cycle |
1.0% to 99.0% ≤100kHz
10% to 90% ≤ 1MHz
50% ≤ 25MHz
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RAMP CHARACTERISTICS
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Linearity |
< 0.1% of peak output |
| Variable Symmetry |
0% to 100% (0.1% Resolution) |
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PULSE CHARACTERISTICS
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Period |
40ns~2000s |
| Pulse Width |
20ns~1999.9s |
| Overshoot |
<2% |
| Accuracy |
0.1%+20ns |
| Jitter |
20ppm +10ns |
| AM MODULATION |
Carrier Waveforms |
Sine, Square, Ramp, Pulse, Arb |
| Modulating Waveforms |
Sine, Square, Triangle, Upramp, Dnramp |
| Modulating Frequency |
2mHz to 20kHz |
| Depth |
0% to 120.0% |
| Source |
Internal |
| FM MODULATION |
Carrier Waveforms |
Sine, Square, Ramp, |
| Modulating Waveforms |
Sine, Square, Triangle, Upramp, Dnramp |
| Modulating Frequency |
2mHz to 20kHz |
| Peak Deviation |
DC to Max Frequency |
| Source |
Internal |
| SWEEP |
Waveforms |
Sine, Square, Ramp, |
| Type |
Linear or Logarithmic |
| Start/Stop Freq |
1uHz to Max Frequency |
| Sweep Time |
1ms to 500s |
| Source |
Internal / Manual |
| FSK |
Carrier Waveforms |
Sine, Square, Ramp, Pulse |
| Modulating Waveforms |
50% duty cycle square |
| Modulation Rate |
2mHz to 100 kHz |
| Frequency Range |
1uHz to Max Frequency |
| Source |
Internal |
| PM |
Carrier Waveforms |
Sine, Square, Ramp |
| Modulating Waveforms |
Sine, Square, Triangle, Upramp, Dnramp |
| Modulation Rate |
2mHz to 20kHz |
| Phase deviation |
0˚ to 360˚ |
| Source |
Internal |
| SUM |
Carrier Waveforms |
Sine, Square, Ramp, Pulse, Noise |
| Modulating Waveforms |
Sine, Square, Triangle, Upramp, Dnramp |
| Modulation Rate |
2mHz to 20kHz |
| SUM Depth |
0% to 100.0% |
| Source |
Internal |
| SYNC OUTPUT |
Type |
Sync, Sweep Marker, Burst Marker or Arbitrary Waveform Marker |
| Level |
TTL Compatible into 50Ω |
| Assignment |
Channel 1 or Channel 2 |
| Polarity |
Normal or Inverted |
| Fan-out |
≥4 TTL Load |
| Impedance |
50Ω Typical |
| DUAL CHANNEL FUNCTION |
Phase |
-180˚ ~180˚ (Square and Pulse can not be change, Phase is 0°) |
| Track |
Synchronize phase |
| Coupling |
CH2=CH1 OR CH1=CH2
Frequency(Ratio or Difference)
Amplitude & DC Offset
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| BURST |
Waveforms |
Sine, Square, Ramp, Arb |
| Frequency |
1uHz~15 MHz(sine)
1uHz~15 MHz(Square)
1uHz~1 MHz (Ramp |
| Burst Count |
1 to 65535 cycles or Infinite |
| Start/Stop Phase |
-360 to +360 |
| Internal Period |
1ms to 500s |
| Gate Source |
External Trigger |
| Trigger Source |
Single or Internal Rate |
| TRIGGER DELAY |
N-Cycle, Infinite |
0s to 655350ns |
| SAVE/RECALL |
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10 Groups of Setting Memories |
| POWER OUTPUT |
Only AFG-125P/AFG-225P |
Output Voltage : (2.5V/3.3V/5V)±5%,
Output Current : 0.6A
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| INTERFACE |
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USB (Device) |
| GENERAL SPECIFICATIONS |
Power Source |
DC 5V |
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Power Consumption |
10 W (Max) |
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Operating Environment |
Temperature to satisfy the specification : 18 ~ 28˚C , Operating temperature : 0 ~ 40˚C ,Relative Humidity: ＜ 80%, 0 ~ 40˚C,Installation category： CAT II |
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Operating Altitude |
2000 Meters |
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Storage Temperature |
-10~70˚C, Humidity: ≤70% |
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Dimensions (WxHxD) |
215(W) x 35 (H) x 107(D) mm |
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Weight |
Approx. 1kg |
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The GW Instek AFG-225 is a 25MHz dual channel USB modular arbitrary function generator.
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