TFG3600 Series

1.5GHz/1500Mhz Synthesized Signal Generator


Adopting DDS and PLL technique, with FPGA and SOPC system, TFG3600 Series synthesized signal generator can measure max 1.5GHz frequency, frequency accuracy up to 1ppm. It is indeed a strong assistant in the areas of education, laboratory, telecommunication and metrology.


Product Model



* Perfect combination of DDS and PLL techniques

* Frequency upper limits to 1.5GHz

* Higher level of frequency accuracy,up to 1ppm

* Complete AM/FM/FSK/PSK modulation function

* Standard communication interface: USB Device, RS-232



TFG3605                       TFG3615                    TFG3610                          
RangeSine1μHz ~ 500MHz         1μHz ~ 1500MHz      1μHz ~ 1000MHz                      
Square1μHz ~ 80MHz
Resolution1μHz  (carrier frequency≤80MHz)
1Hz    (carrier frequency>80MHz)
Accuracy±1ppm, Frequency≥1.0kHz, 18℃ to 28℃
±50ppm, Frequency<1.0kHz, Min. output 1μHz
Sine Output Level
RangeFreq≤500MHz-127dBm ~ +13dBm(-127dBm ~ -117dBm typical)
Freq≤1000MHz-110dBm ~ +13dBm(-100dBm ~ -110dBm typical)
Freq≤1500MHz-105Bm ~ +10dBm(-100dBm ~ -105dBm typical)
AccuracyFreq≤300MHzsetting ±1dBm (output level +13dBm~-100dBm)
Freq≤1500MHzsetting ±2.2dBm (output level +13dBm~-80dBm, setting value±1.5dBm typ. )
setting ±2.7dBm (output level -80dBm~-100dBm, setting value±2.0dBm typ.)
Stationary Wave Ratio (SWR)< 1.8 (output level≤0dBm)
Spectrum Purity
Harmonic< -33dBc (output level≤4dBm,typical value)
Non-Harmonic< -40dBc (output level≤4dBm, deviation CF≥5kHz)
Sub-Harmonic< -40dBc (output level≤4dBm)
Residual FM< 100Hz(BW: 0.3 ~ 3kHz, RMS< 120MHz)
Rise/Fall Time≤15ns
External Modulation Input

Voltage Range: 5V full scale,Input Impedance: 10kΩ,

Frequency: DC to 10kHz

Frequency Sweep
Sweep Rate1ms ~ 800s Linear (carrier ≤80MHz)
100ms ~ 800s Logrithm(carrier ≤80MHz)
Step Time50ms ~ 10s  Linear (carrier>80MHz)
Burst(Carrier Frequency≤80MHz)
Burst Count1 to 10000 cycles
Interval0.1ms to 800s
Range1μHz ~ 10MHz
Accuracy±1ppm, Frequency≥1.0kHz, 18℃ to 28℃
±50ppm, Frequency<1.0kHz, Min. output 1μHz
TypeSine, Square, Ramp, Pulse, Sinc, Exp, Noise, DC
SquareRise/Fall Time≤50ns
Duty Cycle0.01% ~ 99.99%
PulseRise/Fall Time≤50ns
Pulse Width20ns ~ 20s
RampSymmetry0.0% ~ 100.0%
Amplitude1mVpp to 10Vpp(50Ω), 2mVpp to 20Vpp(High Z)
Offset±5Vpk ac+dc(50Ω), ±10Vpk ac+dc(High Z)
Accuracy±(1% of setting + 10mVpp)(1kHz Sine)
Flatness± 0.5dB(1MHz Sine, 1Vpp)
General Characteristics
PowerAC100V~240V, 50/60Hz,50VA Max
Dimension & Weight254×103×374 mm,  4.2 kg

Questions & Answer

Q: What is a synthesized signal generator?

A: A synthesized signal generator is an electronic instrument used to generate a wide range of signals with various frequencies, amplitudes, and waveforms. Unlike traditional signal generators, a synthesized signal generator uses digital synthesis techniques to generate signals, providing greater accuracy, stability, and flexibility in signal generation. It typically includes a synthesizer that generates signals digitally, which can then be converted to analog signals for output. Synthesized signal generators are widely used in testing and calibration of electronic circuits, communication systems, research and development, power electronics testing, and medical device testing.

Q: What types of signal generators are there?

A: Analog Signal Generators

Digital Signal Generators

Function Generators

Arbitrary Waveform Generators

Pulse Generators

RF (Radio Frequency) Signal Generators

Synthesized Signal Generators.

Q: How does a signal generator work?

A: A signal generator works by producing an electrical signal with a specific waveform, frequency, and amplitude. It uses an oscillator circuit to generate a periodic signal, which can be adjusted in various ways such as frequency or waveform shape. The output of the oscillator is then amplified to the desired signal strength, and may be modulated with additional signals or waveforms. The resulting signal can then be used for various purposes such as testing electronic devices, generating reference signals for other equipment, or for transmitting data.

Q: Why do I need a signal generator?

A: A signal generator is a useful tool for various applications, including:

Testing and calibrating electronic devices: A signal generator can be used to send a known signal to an electronic device to test its performance or to calibrate it.

Generating reference signals: A signal generator can be used to produce a stable, accurate reference signal for use with other equipment.

Debugging circuits: A signal generator can be used to troubleshoot problems in a circuit by sending known signals and observing the behavior of the circuit.

Research and Development: A signal generator can be used in R&D to generate signals for testing new ideas or technologies.

Transmitting data: A signal generator can be used to transmit data in various applications, such as communication systems or in industrial control systems.

Standard Accessories

power cable:1pcs

BNC Test cable:1pcs
CD   (Software + User's Guide):1pcs

Frequency Counter

(upper limits to 2.5GHz, only for TFG3605)