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R&S®SMW200A 是 由于具有优异的性能、灵活性和操作直观性，因此是生成高品质复杂数字调制信号的工具。R&S®SMW200A 是开发新型宽带通信系统、3G 和 4G 基站验证或航空航天和国防领域需要的理想数字调制信号发生器。内置基带发生器生成的 160MHz 带宽 的 I/Q 调制信号可满足第 4 代移动通信标准（例如，LTE-Advanced 和 IEEE 802.11ac），因此，R&S®SMW200A 的设计可满足未来需求。它的模块化可扩展结构，使用户能够优化发生器以适应具体的实际应用，以及根据需要升级信号发生器。
在不损害信号质量的情况下，可以添加第 2 条射频路径，以及最多 2 个基带模块和 4 个衰落模拟器模块。因此，R&S®SMW200A 可以创建先前需要多台仪器完成，甚至不能实现的信号场景。从可达 8x2 的 MIMO 到包括衰落的 LTE-Advanced 载波聚合。
如果需要多于 2 条射频路径，可以外接 R&S®SGS100A 信号发生器。基于触摸屏的直观操作理念可为用户提供测量全景。无论多么复杂，都可快速提供所需结果。
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| Frequency | ||
| Frequency range, RF path A | R&S®SMW-B103 | 100 kHz to 3 GHz |
| R&S®SMW-B106 | 100 kHz to 6 GHz | |
| R&S®SMW-B112 | 100 kHz to 12.75 GHz | |
| R&S®SMW-B120 | 100 kHz to 20 GHz | |
| R&S®SMW-B131 | 100 kHz to 31.8 GHz | |
| R&S®SMW-B140 | 100 kHz to 40 GHz | |
| Frequency range, RF path B (optional, see R&S®SMW200A data sheet for possible RF path configurations) | R&S®SMW-B203 | 100 kHz to 3 GHz |
| R&S®SMW-B206 | 100 kHz to 6 GHz | |
| R&S®SMW-B212 | 100 kHz to 12.75 GHz | |
| R&S®SMW-B220 | 100 kHz to 20 GHz | |
| Setting time | SCPI mode | < 1.2 ms, 600 μs (typ.) |
| Level | ||
| Specified level range | 3 MHz ≤ f < 20 GHz | –120 dBm to +18 dBm (PEP) |
| R&S®SMW-B131, R&S®SMW-B140 | –120 dBm to +15/+18 dBm (PEP), depending on RF | |
| Setting time | SCPI mode | < 1 ms, 600 μs (typ.) |
| R&S®SMW-B120/-B131/-B140/-B220, with switching of the mechanical step attenuator | < 25 ms | |
| Spectral purity | ||
| Harmonics | level < 10 dBm, CW | < –30 dBc |
| R&S®SMW-B120/-B131/-B140/-B220, f >3.5 GHz | < –55 dBc | |
| Nonharmonics | CW or vector modulation with full-scale DC input, level > –10 dBm, carrier offset > 10 kHz, 200 MHz < f ≤ 1500 MHz | |
| standard | < –80 dBc | |
| with R&S®SMW-B22 option | < –90 dBc | |
| SSB phase noise | CW, carrier offset = 20 kHz, f = 1 GHz | |
| standard | < –131 dBc, –135 dBc | |
| with R&S®SMW-B22 option | < –136 dBc, –139 dBc | |
| CW, carrier offset = 20 kHz, f = 10 GHz | ||
| standard | < –111 dBc, –115 dBc | |
| with R&S®SMW-B22 option | < –116 dBc, –119 dBc | |
| Analog modulation | ||
| Supported analog modulation modes | AM, FM (optional), φM (optional), pulse (optional) | |
| I/Q modulation | ||
| RF modulation bandwidth | with external I/Q, “I/Q wideband” on | |
| 1 MHz ≤ f ≤ 4 GHz | ±25 % of carrier frequency | |
| f > 4 GHz | ±1 GHz | |
| f > 4 GHz, R&S®SMW-B112/R&S®SMW-B212 | ±500 MHz | |
| with internal baseband, “I/Q wideband” on, f ≥ 320 MHz | ±80 MHz | |
| Modulation frequency response in specified RF modulation bandwidth | with internal baseband, “I/Q wideband” on | < 1.0 dB, < 0.3 dB (meas.) |
| Basebａnd generator | R&S®SMW-B10 option, up to two basebａnd generators can be installed | |
| Signal bandwidth | standard | 120 MHz |
| with R&S®SMW-K522 option | 160 MHz | |
| ARB memory depth | standard | 64 Msample |
| with R&S®SMW-K511 option | 512 Msample | |
| with R&S®SMW-K511 and R&S®SMW-K512 options | 1 Gsample | |
| Sample resolution | equivalent to D/A converter | 16 bit |
| Frequency offset | standard | –60 MHz to +60 MHz |
| with R&S®SMW-K522 option | –80 MHz to +80 MHz | |
| Digital standards | ||
| Supported standards and modulation systems | LTE Release 8/9/10/11, 3GPP FDD/HSPA/HSPA+, GSM/EDGE/EDGE Evolution, CDMA2000®, 1xEV-DO Rev. A/B, TD-SCDMA, WLAN IEEE 802.11a/b/g/n/j/p/ac, AWGN and more | |
| Fading and MIMO | ||
| Fading simulator | R&S®SMW-B14 option, up to four fading modules can be installed | |
| Fading bandwidth | max. 160 MHz | |
| Fading channels | depending on options | max. 16 |
| MIMO fading scenarios | depending on options | 2x2, 4x2, 2x4, 3x3, 4x4, 8x2, 2x8, 4x2x2 and more |
| Fading modes | depending on options | multipath, moving delay, birth-death, high-speed train, two-channel interferer |
| Fading profiles | depending on options | Rayleigh, Rice, pure Doppler, static path, Gaussian and more |
