武漢海洋儀器有限公司
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RSSMW200A是由于具有優(yōu)異的性能、靈活性和操作直觀性,因此是生成高品質(zhì)復(fù)雜數(shù)字調(diào)制信號(hào)的工具
R&S®SMW200A 是 由于具有優(yōu)異的性能、靈活性和操作直觀性,因此是生成高品質(zhì)復(fù)雜數(shù)字調(diào)制信號(hào)的工具。R&S®SMW200A 是開發(fā)新型寬帶通信系統(tǒng)、3G 和 4G 基站驗(yàn)證或航空航天和國(guó)防領(lǐng)域需要的理想數(shù)字調(diào)制信號(hào)發(fā)生器。內(nèi)置基帶發(fā)生器生成的 160MHz 帶寬 的 I/Q 調(diào)制信號(hào)可滿足第 4 代移動(dòng)通信標(biāo)準(zhǔn)(例如,LTE-Advanced 和 IEEE 802.11ac),因此,R&S®SMW200A 的設(shè)計(jì)可滿足未來(lái)需求。它的模塊化可擴(kuò)展結(jié)構(gòu),使用戶能夠優(yōu)化發(fā)生器以適應(yīng)具體的實(shí)際應(yīng)用,以及根據(jù)需要升級(jí)信號(hào)發(fā)生器。
在不損害信號(hào)質(zhì)量的情況下,可以添加第 2 條射頻路徑,以及最多 2 個(gè)基帶模塊和 4 個(gè)衰落模擬器模塊。因此,R&S®SMW200A 可以創(chuàng)建先前需要多臺(tái)儀器完成,甚至不能實(shí)現(xiàn)的信號(hào)場(chǎng)景。從可達(dá) 8x2 的 MIMO 到包括衰落的 LTE-Advanced 載波聚合。
如果需要多于 2 條射頻路徑,可以外接 R&S®SGS100A 信號(hào)發(fā)生器?;谟|摸屏的直觀操作理念可為用戶提供測(cè)量全景。無(wú)論多么復(fù)雜,都可快速提供所需結(jié)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 |
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