Radio frequency signal generator
Overview
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
TFG3605/TFG3610/TFG3615
Features
* 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
Specifications
| CHA | ||
| TFG3605 TFG3615 TFG3610 | ||
| Frequency | ||
| Range | Sine | 1μHz ~ 500MHz 1μHz ~ 1500MHz 1μHz ~ 1000MHz |
| Square | 1μHz ~ 80MHz | |
| Resolution | 1μHz (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 | ||
| Range | Freq≤500MHz | -127dBm ~ +13dBm(-127dBm ~ -117dBm typical) |
| Freq≤1000MHz | -110dBm ~ +13dBm(-100dBm ~ -110dBm typical) | |
| Freq≤1500MHz | -105Bm ~ +10dBm(-100dBm ~ -105dBm typical) | |
| Resolution | 0.1dB | |
| Accuracy | Freq≤300MHz | setting ±1dBm (output level +13dBm~-100dBm) |
| Freq≤1500MHz | setting ±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） | |
| Square | ||
| Rise/Fall Time | ≤15ns | |
| Overshoot | ≤5% | |
| Modulation | ||
| Type | AM,FM, FSK, PSK | |
| External Modulation Input | Voltage Range: 5V full scale,Input Impedance: 10kΩ, Frequency: DC to 10kHz | |
| Frequency Sweep | ||
| Sweep Rate | 1ms ~ 800s Linear (carrier ≤80MHz) | |
| 100ms ~ 800s Logrithm(carrier ≤80MHz) | ||
| Step Time | 50ms ~ 10s Linear (carrier>80MHz) | |
| Burst(Carrier Frequency≤80MHz) | ||
| Burst Count | 1 to 10000 cycles | |
| Interval | 0.1ms to 800s | |
| CHB | ||
| Frequency | ||
| Range | 1μHz ~ 10MHz | |
| Resolution | 1μHz | |
| Accuracy | ±1ppm, Frequency≥1.0kHz, 18℃ to 28℃ | |
| ±50ppm, Frequency＜1.0kHz, Min. output 1μHz | ||
| Waveform | ||
| Type | Sine, Square, Ramp, Pulse, Sinc, Exp, Noise, DC | |
| Square | Rise/Fall Time | ≤50ns |
| Duty Cycle | 0.01% ~ 99.99% | |
| Pulse | Rise/Fall Time | ≤50ns |
| Pulse Width | 20ns ~ 20s | |
| Ramp | Symmetry | 0.0% ~ 100.0% |
| Output | ||
| Amplitude | 1mVpp to 10Vpp(50Ω), 2mVpp to 20Vpp(High Z) | |
| Offset | ±5Vpk ac+dc(50Ω), ±10Vpk ac+dc(High Z) | |
| Resolution | 5mVpp | |
| Accuracy | ±(1% of setting + 10mVpp)(1kHz Sine) | |
| Flatness | ± 0.5dB(1MHz Sine, 1Vpp) | |
| General Characteristics | ||
| Power | AC100V~240V, 50/60Hz,50VA Max | |
| Dimension & Weight | 254×103×374 mm, 4.2 kg | |
A radio frequency signal generator, commonly known as an RF signal generator, is a critical tool in the field of electronics and telecommunications. It is used to generate precise radio frequency signals with various waveforms for testing and calibration purposes. From simple sine waves to complex modulated signals, RF signal generators play a vital role in the development, testing, and verification of electronic systems.
RF signal generators find applications in various industries and fields, including:
Electronics Testing: Testing and characterizing electronic components, such as amplifiers, filters, and mixers.
Telecommunications: Verifying the performance of communication systems, including mobile networks and wireless devices.
Research and Development: Prototyping and testing RF circuits, conducting experiments, and exploring new designs.
Aerospace and Defense: Evaluating the performance of radar, satellite communication systems, and electronic warfare equipment.
To understand the technology behind RF signal generators, we need to explore the techniques and components that enable their precise signal generation.
Direct Digital Synthesis (DDS)
DDS is a key technique used in RF signal generators to produce precise waveforms digitally. It involves generating a digital representation of the waveform and converting it to an analog signal using a high-speed digital-to-analog converter (DAC).
Frequency Synthesizers
Frequency synthesizers are crucial components that provide stable and accurate frequency control in RF signal generators. They use phase-locked loops (PLLs) to generate precise frequencies based on the reference clock.
Modulation Techniques
RF signal generators employ various modulation techniques, such as amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM), to create modulated signals for testing communication systems.
Q: What is a Radio Frequency Signal Generator?
A: An RF signal generator is an electronic device designed to produce radio frequency signals with specific characteristics. These signals are used in various applications, including testing electronic components, calibrating systems, and evaluating communication devices.
Q: What types of Radio Frequency Signal Generator?
A: RF signal generators come in different types, each catering to specific applications and requirements.
Analog Signal Generators
Analog signal generators produce continuous wave (CW) signals and basic modulated waveforms. They are simple and cost-effective but have limited flexibility in generating complex signals.
Vector Signal Generators (VSG)
Vector signal generators offer more advanced capabilities, enabling the generation of complex modulated signals used in modern communication systems. They can simulate multiple communication standards and are widely used in telecommunications testing.
Arbitrary Waveform Generators (AWG) with RF Output
AWGs with RF output combine the flexibility of arbitrary waveform generators with the capability of generating RF signals. They allow users to create custom waveforms and modulate them to generate complex RF signals.
Q: How do RF Signal Generators Work?
A: RF signal generators typically use direct digital synthesis (DDS) or frequency synthesis techniques to generate precise waveforms. The core components of an RF signal generator include:
Oscillator: The oscillator generates a stable and accurate RF carrier signal. It serves as the starting point for generating different types of modulated signals.
Frequency Control: RF signal generators offer precise frequency control, allowing users to set the desired frequency within a specified range.
Modulation Source: For generating modulated signals, the RF signal generator incorporates modulation sources such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM).
Amplitude Control: The amplitude control feature allows users to adjust the output power level of the generated signal.
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
Options
Frequency Counter
(upper limits to 2.5GHz, only for TFG3605)
GPIB
