Signal Hound TG124A RF Signal Generator Product Manual
Signal Hound TG124A RF Signal Generator Product Manual
1. Introduction
1.1 Overview
The Signal Hound TG124A is a compact, cost-effective, and USB-powered RF signal generator designed for general-purpose RF testing, component characterization, educational applications, and small-scale research projects. Covering a frequency range of 9 kHz to 2.4 GHz, the TG124A delivers reliable signal generation capabilities for low-to-mid RF band applications, including IoT (Internet of Things) devices, Bluetooth, Zigbee, Wi-Fi (2.4 GHz), and basic RF component testing. Its lightweight design, seamless integration with Spike® RF analysis software, and user-friendly operation make it an ideal solution for both lab environments and field testing scenarios where portability and simplicity are prioritized.
1.2 Scope of This Manual
This manual provides comprehensive guidance on the Signal Hound TG124A, including technical specifications, key features, hardware installation, software setup, basic operation procedures, application scenarios, routine maintenance, and troubleshooting. It is intended for engineers, technicians, researchers, educators, and students who use the TG124A for RF signal generation and related testing tasks.
1.3 Safety Information
• Before operating the TG124A, carefully read all safety instructions and technical specifications to prevent equipment damage or personal injury.
• Operate the device only within the specified environmental conditions (temperature: 0°C to 50°C; humidity: 10% to 90% non-condensing).
• Use only the recommended power sources (USB 3.0/2.0 or optional 5V DC power supply) to avoid electrical damage to the device.
• Avoid exposing the TG124A to extreme temperatures, moisture, dust, direct sunlight, or physical shock.
• Do not disassemble the device without authorization. For repairs or maintenance, contact Signal Hound technical support.
• When connecting RF cables, ensure proper and secure mating to prevent damage to the SMA connectors. Use external attenuators when testing high-power devices to protect the TG124A’s RF front end.
• Disconnect the power supply before connecting or disconnecting RF cables or other peripherals to avoid signal interference or equipment damage.
2. Technical Specifications
Parameter | Specification |
Frequency Range | 9 kHz to 2.4 GHz |
Frequency Accuracy | ±5 ppm (typical) over operating temperature range |
Phase Noise (Typical) | -120 dBc/Hz at 1 GHz, 10 kHz offset |
Output Power Range | -60 dBm to +10 dBm (typical) |
Power Accuracy | ±1 dB (typical) from 100 MHz to 2.4 GHz |
Attenuation | 0–60 dB, step size 0.1 dB |
Modulation Formats | Analog: AM, FM, PM, Pulse; Digital: QPSK, 16QAM; Custom IQ Waveform Playback |
Waveform Memory | Up to 4 GSamples (16-bit resolution) |
Interfaces | USB 3.0 Type-C (power & communication); SMA Female (RF Output); 10 MHz Reference In (SMA Female, optional) |



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