Wireless LAN networks, cellular telephones, contactless smart cards, terrestrial digital broadcasts – all of them have become a part of our daily lives, and all of them use high-frequency wireless technology. Diversifying applications and expanding demand for communications devices have exacerbated competition in the market, placing manufacturers under pressure to reduce manufacturing costs. Makers of test and measurement equipment can support increased cost-efficiency by offering faster performance evaluations, thus reducing cost of test and equipment costs. Additionally, demand from device manufacturers has driven a trend for measuring instruments to grow smaller and lighter, so that they may be transported outside the factory, to any location where maintenance and testing work needs to be done. The U3741/U3751 is a portable spectrum analyzer that precisely meets to these demands.
Key Features
- Compact design, light weight and battery operated
- 3GHz 2nd RF input channel option
- Low cost Time Domain Analysis: Frequency/Phase/Power/IQ vs Time
Main Performance
- Frequency range: U3741: 9 kHz to 3 GHz, U3751: 9 kHz to 8 GHz
- Noise level: -135dBm (CF 1GHz, Pre-Amp ON, RBW 100Hz)
- Resolution bandwidths: U3741: 100Hz to 1MHz, U3751: 100Hz to 3MHz
∗ RBW 30Hz optional
General Function
- RMS detection supports high-speed, high-stability power measurement
- Emission Mask, OBW/ACP, and other limit test functions
- USB Interface for saving/recalling configuration files and measurement data
| Model | Description | Comment |
|---|---|---|
| OPT.10 | 2 Channel Input (Add a 3GHz RF input) | |
| OPT.11 | 75Ω 2 Channel Input | U3741 Only |
| OPT.15 | 75Ω Input Impedance | U3741 Only |
| OPT.20 | High stability frequency reference crystal | |
| OPT.28 | EMC filter | |
| OPT.53 | Time-domain analysis (1 ch) | |
| OPT.54 | Time-domain analysis (2 ch) | |
| OPT.55 | Wide-band time-domain analysis (1 ch) | |
| OPT.56 | Wide-band time-domain analysis (2 ch) | |
| OPT.70 | High-Purity Spectrum Analysis (1 ch) | |
| OPT.71 | High-Purity Spectrum Analysis (2 ch) | |
| OPT.75 | 75Ω Tracking Generator | U3741 Only |
| OPT.76 | 3GHz Tracking Generator | |
| OPT.77 | 6GHz Tracking Generator | U3751 Only |
| A114020 | DC power cable | |
| A122003 | Rack mount kit (JIS) | |
| A124004 | Rack mount kit (EIA) | |
| A129001 | Carrying bag | |
| A129002 | Transit case | |
| A870008 | Battery pack | |
| A870009 | Charger | |
| JU3700S-A | Japanese operating manual (printed manual) | |
| EU3700S-A | English operating manual (printed manual) | |
| ZT-130NC | 75Ω impedance converter |
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