Low-Cost DDS Function Generators
.jpg "Low-Cost DDS Function Generators")
★ Max. output frequency 5MHz/10MHz/15MHz/20MHz
★ 2 output channels
★ Direct Digital Synthesis technology (DDS)
★ Sampling rate 100MSa/s, vertical resolution 8 bits, waveform length 1024 points
★ Min. 1mV (50Ω) waveform output with good stability
★ 32 built-in waveforms
★ 40 sets panel setting save & recall
★ Modulations: FM, FSK, ASK, PSK
★ Frequency sweep, amplitude sweep, burst and TTL output functions
★ Over voltage protection, over current protection, short circuit protection, reverse voltage protection
★ Standard parts: 200MHz frequency counter
★ Optional parts: RS-232 interface, power amplifier
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Model |
TFG-3205E |
TFG-3210E |
TFG-3215E |
TFG-3220E |
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Frequency range |
1μHz~5MHz |
1μHz~10MHz |
1μHz~15MHz |
1μHz~20MHz |
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Waveform (CHA) |
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Type |
32 built-in waveforms, including Sine, Square, Triangle, Ramp, Pulse, etc. |
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Length |
1024 points |
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Vertical resolution |
8 bits |
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Sampling rate |
100MSa/s |
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Harmonic distortion of sine |
≥40dBc (<1MHz); ≥35dBc (1MHz~20MHz) |
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Total distortion of sine |
≤1% (20Hz~200kHz) |
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Rise/fall time of square |
≤35ns |
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Overshoot of square |
≤10% |
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Duty cycle of square |
1%~99% |
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Frequency (CHA) |
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Range |
Sine |
1μHz~5MHz |
1μHz~10MHz |
1μHz~15MHz |
1μHz~20MHz |
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Square |
1μHz~5MHz |
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Other |
1μHz~1MHz |
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Resolution |
1μHz |
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Accuracy |
±5x10-5 |
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Stability |
±5x10-6/3hours |
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Amplitude (CHA) |
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Range |
2mVpp~20Vpp, 1μHz~10MHz (high impedance) 2mVpp~15Vpp, 10MHz~15MHz (high impedance) 2mVpp~8Vpp, 15MHz~20MHz (high impedance) |
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Resolution |
20mVpp (amplitude>2Vpp); 2mVpp (amplitude<2Vpp) |
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Accuracy |
± (1%+2mVrms)(high impedance, RMS, frequency 1kHz) |
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Stability |
±0.5% /3hours |
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Flatness |
±5% (frequency <10MHz); ±10% (frequency >10MHz) |
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Output impedance |
50Ω |
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DC Offset (CHA) |
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Range |
±10V (high impedance, attenuation 0 dB) |
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Resolution |
20mVdc |
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Accuracy |
±(1%+20mVdc) |
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Sweep (CHA) |
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Parameter |
Frequency, Amplitude |
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Range |
Free to set starting point and end point |
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Time |
100ms~900s |
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Direction |
Up, Down, Up-Down |
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Mode |
Linearity, Logarithmic |
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Control |
Auto sweep or manual sweep |
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Frequency Modulation (FM) (CHA) |
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Carrier signal |
CHA signal |
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Modulating signal |
CHB or external signal |
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FM deviation |
0%~20% |
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Burst (CHA) |
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Carrier signal |
CHA signal |
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Trigger signal |
TTL_A signal |
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Burst counts |
1~65000 cycles |
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Trigger mode |
Internal TTL, External, Single |
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Shift Keying (CHA) |
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FSK |
Free to set the hop frequency and the carrier frequency |
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ASK |
Free to set the hop amplitude and the carrier amplitude |
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PSK |
Hop phase: 0~360°, resolution: 1° |
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Alternative rate |
10ms~60s |
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Waveform (CHB) |
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Type |
32 built-in waveforms, including Sine, Square, Triangle, Ramp, Pulse, etc. |
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Length |
1024 points |
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Vertical resolution |
8 bits |
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Sampling rate |
12.5MSa/s |
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Duty cycle of square |
1%~99% |
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Frequency (CHB) |
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Range |
Sine: 1μHz~1MHz; Other: 1μHz~100kHz |
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Resolution |
1μHz |
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Accuracy |
±1x10-5 |
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Amplitude (CHB) |
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Range |
50mVpp~20Vpp (high impedance) |
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Resolution |
20mVpp |
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Output impedance |
50Ω |
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Burst (CHB) |
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Carrier signal |
CHB signal |
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Trigger signal |
TTL_B signal |
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Burst counts |
1~65000 cycles |
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Trigger mode |
Internal TTL, External, Single |
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TTL output |
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Waveform |
Square, rise/fall time ≤20ns |
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Frequency |
10mHz~1MHz |
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Amplitude |
TTL, CMOS compatible, low<0.3V, high>4V |
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Frequency counter |
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Testing frequency range |
1Hz~200MHz |
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Input signal amplitude |
100mVpp~20Vpp |
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Remote control |
RS-232 interface (optional) |
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Power amplifier (optional) |
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Max. output power |
7W (8Ω), 1W (50Ω) |
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Max. output voltage |
22Vpp |
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Frequency bandwidth |
1Hz~200kHz |
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Common characteristics |
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Operation characteristics |
Key operation for all functions, Menu display, Rotary dial adjustment |
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Display |
Mono LCD |
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Language |
English, Chinese (simplified), Chinese (traditional) |
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Power source |
AC110V/220V±10% selectable, 50/60Hz, Max. 45VA |
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Environmental condition |
0~40℃,<80%RH |
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Standard accessories |
Power cord x1, Operation manual x1, BNC-BNC cable x1, Test lead x1 |
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Dimension |
385x260x110mm |
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Weight |
3.5kg |
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 | Accessory List |
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DDS Function Generator |
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Model |
Frequency Range |
Standard parts |
Optional Parts |
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TFG-3205E |
1uHz~5MHz |
200MHz counter |
RS232 interface Power amplifier |
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TFG-3210E |
1uHz~10MHz |
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TFG-3215E |
1uHz~15MHz |
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TFG-3220E |
1uHz~20MHz |
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Download Details |
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Catalog |
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