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Technical Features of Mini-Circuits Signal Generators
This article focuses on the Mini-Circuits signal generator "SSG-5N9G-RC," introducing its technical features and frequency/output level sweep function. For more details, please refer to the manufacturer's website below.
SSG-5N9G-RC
The SSG-5N9G-RC is a wideband signal generator compatible with 5GHz to 9GHz (C-band). It features a standard maximum output power of +23dBm, making it suitable for characterizing wireless equipment, high-frequency circuits, and various systems. In addition to CW output, it supports a variety of signal generation functions, including pulse sequencing, AM, FM, chirp signals, frequency hopping, and output level sweeping. This product supports daisy-chaining of up to 25 units and can be remotely controlled via Ethernet. Furthermore, as shown in the diagram below, its compact size, comparable to an iPhone, allows for use in a variety of locations.
Furthermore, Mini-Circuits provides GUI software for operating this product, along with software support including programming procedures. Another feature is the availability of models with limited frequency bands, allowing users to select the model that best suits their needs and thus reduce implementation costs.
Main performance
The main electrical performance specifications of the SSG-5N9G-RC are shown below (at +25°C).
|
item |
conditions |
specification |
| output frequency | - | 5GHz ～ 9GHz |
| frequency resolution | 5GHz ～ 9GHz | 1Hz |
| Frequency accuracy | When using an internal reference oscillator | ±1ppm |
| return loss | 5GHz ～ 9GHz | -10dB |
| Maximum output power | 5GHz ～ 9GHz | Typ：+23dBm、Min：+20dBm |
| Minimum output power | 5GHz ～ 9GHz | Typ：-55dBm、Max：-50dBm |
| Output resolution | 5GHz ～ 9GHz | 0.1dB |
| Output power accuracy | Output: -50dBm to +20dBm, Frequency: 5GHz to 9GHz | Typ：±0.5dB、Max：±1.0dB |
| RF output leakage | 5GHz to 9GHz when RF OFF | -80dBm |
| harmonics | Output: -50dBm to +20dBm, 5GHz to 7GHz | -15dBc |
| Output: -50dBm to +20dBm, 7GHz to 9GHz | -30dBc | |
| Non-harmonic spurious | Output: 0dBm to maximum output, 100kHz to 150MHz | -70dBc |
| Boundary spurious | Output: 0dBm to maximum output, 5GHz to 9GHz | -40dBc |
| Settling time | Hop Mode、5GHz ～ 9GHz | 0.2ms |
| Frequency Sweep、5GHz ～ 9GHz | 0.8ms | |
| Power Transition, at the set frequency | 0.015ms | |
| PC external control | 2ms | |
| Dwell Time (Standard) | - | 0.01° ～ 10000° |
| Phase offset range | - | 0° ～ 359° |
| Phase offset resolution | - | 1° |
As shown in the table, the SSG-5N9G-RC is compact, similar in size to a mobile phone, yet boasts a wide dynamic range of +23dBm to -55dBm (78dB), a fast switching speed of 0.2ms in Hop Mode, an output resolution of 0.1dB, and a frequency resolution of 1Hz.
Configuration via GUI software
Mini-Circuits provides free GUI software for operating the SSG-5N9G-RC. The GUI interface is shown below.
In this example, the SSG-5N9G-RC is connected to the PC via USB. When you launch the GUI software from your PC and select the USB connection, the SSG-5N9G-RC's operation screen will appear.
Selecting "Modulations," indicated by the red frame on the screen, will display the available Modulation modes.
The waveforms for PULSE, AM, FM, and Chirp signals are listed in the Mini-Circuits datasheet. Please refer to the datasheet for details on each function. However, the datasheet does not include specific examples of how the frequency hop and output level sweep of the SSG-5N9G-RC operate. Therefore, below, we will show how each function is configured from the GUI and demonstrate how the frequency hop and output level sweep actually work in a video.
Frequency and output level sweep function
From here, we will show you the actual operation of the frequency sweep and output level sweep functions of the SSG-5N9G-RC in a video.
In this video, to clearly demonstrate the operation of the SSG-5N9G-RC, a simulated receiver is used to extract a signal in combination with a 5.01GHz local signal. Please note that this video is intended to show how the frequency and output level change, and does not evaluate performance such as spurious emissions. For actual performance, please refer to the Mini-Circuits datasheet or use measuring instruments such as a spectrum analyzer.
Frequency sweep operation
Output level sweep operation
We can also provide frequency sweep waveforms from 8GHz to 9GHz, as observed with a spectrum analyzer, and output level fluctuation waveforms from -50dBm to +20dBm. Please contact us if you would like to see the actual waveform data.
Product lineup and calibration support
This time we featured the SSG-5N9G-RC, which is compatible with the C band, but Mini-Circuits offers a lineup of signal generators to suit various applications and frequency bands. If you have any questions about product selection or which model is suitable for your application, please contact us.
Furthermore, calibration services are available for continued use of the signal generator. The manufacturer recommends a calibration cycle of 4,160 hours or 2 years. The GUI allows you to set and receive notifications for calibration deadlines, which can be used to manage calibration schedules.
Mini-Circuits offers a wide range of RF and microwave products, including the signal generator featured here. Please feel free to contact us if you have any questions regarding product selection, evaluation methods, or the features described.
Related Information
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