Archive for June 15, 2020

TSP #171 – Signal Hound SM200C/B 100kHz – 20GHz Real-Time Spectrum Analyzer Review, Teardown & Experiments

In this episode Shahriar reviews the long awaited Signal Hound SM200C/B Real-Time 100kHz – 20GHz Real-Time Spectrum Analyzer:

The SM200C is a high-performance spectrum analyzer and monitoring receiver with a 10 Gigabit Ethernet SFP+ port, enabling the SM200C to communicate with a PC over long distances using a fiber optic cable. Designed for remotely-located accurate RF data analysis at the lowest cost possible, the SM200C features:

  • 160 MHz instantaneous bandwidth I/Q streaming over 10GbE
  • SFP+ port for fast, long-distance communication with a PC using an optic cable
  • Device control¬†and¬†data transfer occurs via SFP+ connection, not USB
  • Tunes from 100 kHz to 20 GHz
  • Sweeps at 1 THz/sec at 30 kHz RBW
  • 110 dB of dynamic range
  • Ultra-low phase noise
  • GPIO port antenna switching

The SM200B offers a USB 3.0 PC interface with 40MHz of instantaneous I/Q streaming. Furthermore, the SM200B includes a full 2-second of internal memory at 160MHz of capture bandwidth which an be accessed through the API.

The review is organized as follows:

00:00 – Introduction
00:49 – Overview, build quality and detailed specifications
05:51 – Full teardown, analysis and system architecture
18:00 – 10GbE PC interface using M.2 Key to PCIe converter
19:22 – Experiment #1: FMCW signal analysis, GUI overview & 160MHz capture capabilities
31:33 – Experiment #2: Interfering hunting, FM-versus-time, frequency hopping & advanced triggering
41:32 – Experiment #3: Digital demodulation, phase-noise & equalization
46:02 – Other GUI capabilities, mask & EM compliance, API
47:20 – Concluding remarks

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