提供了优良的价格/性能比，四种基本型号的每一个都是理想的用户希望进入微波测试领域，在一个负担得起的价格。如果测量任务变得更加苛刻，基础模型可以随时升级，通过选项提供AM/FM信号发生器或具有快速、完全合成、模拟斜坡扫描的合成扫描发生器。
罗德施瓦茨SMR40从其他发电机脱颖而出，以其卓越的光谱纯度。使用分数n分频器的高级频率合成可以实现低SSB相位噪声和高杂散抑制，这两者都是可靠接收机测量的先决条件。仪器输出路径上的现代微波滤波器确保了良好的谐波抑制。这对于在标量网络分析测量中获得结论性的结果是必要的。
微波信号发生器常用于校准测试接收机。这项任务要求高精度和稳定的输出水平可设置与高分辨率。这是由一个高精度，频率响应补偿水平控制水平高于-20 dBm确保的。通过可选的射频衰减器SMR-B15或SMR-B17，设置范围可扩展到-130 dB。
特点:
Offering an excellent price/performance ratio, each of the four base models is ideal for the user wishing to enter the field of microwave testing at an afford- able price. Should the measurement tasks become more demanding, the base models can be upgraded any time by means of options to give an AM/FM signal generator or a synthesized sweep generator featuring fast, fully synthesized, analog ramp sweep.
The Rohde Schwarz SMR40 stands out from other generators for its excellent spectral purity. Advanced frequency synthesis with fractional-N divider makes for low SSB phase noise and high spurious suppression, both of which are for example prerequisites for reliable receiver measurements. Modern microwave filters in the output path of the instrument ensure excellent harmonics suppression. This is necessary to obtain conclusive results in scalar network analysis measurements.
Microwave signal generators are frequently used for calibrating test receivers. This task calls for a highly accurate and stable output level settable with high resolution. This is ensured by a high-precision, frequency-response-compensated level control for levels higher than –20 dBm. The setting range can be extended to –130 dB with the optional RF Attenuator SMR-B15 or SMR-B17.
Features:
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