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R＆S®ETH手持式電視分析儀
簡要描述;簡介
R＆S®ETH手持電視分析儀專為覆蓋測量以及DVB-T，DVB-H和ISDB-T間隙填充物和低功率發(fā)射機(jī)的服務(wù)和維護(hù)工作而開發(fā)。 R＆S®ETH的通用功能也使其在維修和開發(fā)電視組件方面很有用。
R＆S®ETH手持式電視分析儀
電視，頻譜和網(wǎng)絡(luò)分析儀
頻率范圍高達(dá)3.6 GHz或8 GHz
高精度解調(diào)器（MER典型值45 dB）
寬輸入電平范圍（-76 dBm至+10 dBm），用于準(zhǔn)無差錯(cuò)傳輸流解碼
結(jié)構(gòu)緊湊，重量輕，攜帶方便， 4.5小時(shí)使用電池
R＆S®ETH手持式電視分析儀
特點(diǎn)與優(yōu)勢
全面的電視，頻譜和網(wǎng)絡(luò)分析功能
測量所有DVB-T，DVB-H和ISDB-T信號(hào)參數(shù)
顯示星座圖，信道脈沖響應(yīng)，帶有肩距離和MER（k）的OFDM頻譜，
由于集成預(yù)選和前置放大器，輸入電平范圍寬
功能齊全的頻譜分析儀
通過集成跟蹤生成器進(jìn)行網(wǎng)絡(luò)分析和故障距離測量
頻率鎖定到外部參考
采用羅德與施瓦茨外部功率傳感器進(jìn)行高精度功率測量
使用各向同性天線的場強(qiáng)測量
由于實(shí)時(shí)解調(diào)而實(shí)現(xiàn)快速和準(zhǔn)確的測量
基于FPGA的實(shí)時(shí)數(shù)字電視解調(diào)器可實(shí)現(xiàn)zui高的測量精度
可靠的短時(shí)間干擾檢測
測量具有負(fù)信號(hào)/噪聲比的數(shù)字電視信號(hào)
BER測量和ASI傳輸流輸出
針對現(xiàn)場使用進(jìn)行了優(yōu)化
結(jié)構(gòu)緊湊，重量輕，儀器堅(jiān)固耐用
防濺和防塵
易于訪問，保護(hù)良好的連接器
適合日光的高分辨率彩色顯示屏
易于更換的鋰離子電池，可延長電池的使用時(shí)間
通過GPS進(jìn)行頻率校正和定位
操作簡單
通過鍵盤和旋鈕快速選擇功能
使用頻道表進(jìn)行頻率設(shè)置
根據(jù)限制表輕松進(jìn)行測試
使用用戶特定的測量輪廓，傳感器和電纜模型進(jìn)行可重復(fù)測量
將測量數(shù)據(jù)存儲(chǔ)在內(nèi)部存儲(chǔ)器，SD卡或USB記憶棒上
方便與個(gè)人電腦進(jìn)行數(shù)據(jù)交換
R＆S®ETH查看用于配置頻道表，限制表和測量配置文件的PC軟件
通過LAN或USB接口將測量數(shù)據(jù)傳輸?shù)絇C的R＆S®ETHView
通過LAN或USB通過SCPI命令進(jìn)行遠(yuǎn)程控制
Specifications
| DVB-T/DVB-H receiver (R&S®ETH-K140 option) and ISDB-T receiver (R&S®ETH-K160 option) | ||
| Quasi-error-free input level range | RF = 500 MHz, RF preselection ON | typ. –76 dBm to +10 dBm |
| Inherent modulation error ratio (MER) | RF = 500 MHz | |
| RF preselection OFF, level = –30 dBm | > 43 dB, typ. 46 dB | |
| RF preselection ON, level = –45 dBm | > 41 dB, typ. 44 dB | |
| Phase noise | RF = 500 MHz | |
| ?f = 30 kHz | < 98 dBc (1 Hz) | |
| ?f = 100 kHz | < 100 dBc (1 Hz) | |
| ?f = 1 MHz | < 125 dBc (1 Hz) | |
| Noise figure | RF = 500 MHz, RF attenuation 0 dB | |
| RF preselection OFF | < 22 dB, typ. 18 dB | |
| RF preselection ON | < 14 dB, typ. 11 dB | |
| Third-order intermodulation (TOI) | RF attenuation 0 dB | |
| RF preselection OFF | typ. +7 dBm | |
| RF preselection ON | typ. –6 dBm | |
| Second harmonic intercept point (SHI) | 50 MHz < RF < 1.5 GHz, RF attenuation 0 dB | |
| RF preselection OFF | typ. +30 dBm | |
| RF preselection ON | typ. +60 dBm | |
| Signal level uncertainty | RF < 3.6 GHz | < 1.0 dB, typ. < 0.5 dB |
| Frequency uncertainty | internal reference | 2 × 10–6 |
| with the R&S®HA-Z240 GPS receiver | 2.5 × 10–8 | |
| Spectrum analysis | ||
| Displayed average noise level (DANL) | 10 MHz < RF < 2 GHz, RF attenuation 0 dB | |
| RF preselection OFF | typ. –156 dBm (1 Hz) | |
| RF preselection ON | typ. –165 dBm (1 Hz) | |
| Resolution bandwidths (RBW) | 100 Hz to 3 MHz in 1/3 sequence | |
| Video bandwidths | 10 Hz to 3 MHz in 1/3 sequence | |
| Trace detectors | auto peak, max peak, min peak, sample, RMS | |
| Network analysis | ||
| Tracking generator output level | –40 dBm to 0 dBm in 1 dB steps | |
| Data points | 631 | |
| Dynamic range for transmission measurements | 300 kHz to 3.6 GHz | > 70 dB, typ. 90 dB |
| Reflection measurements | R&S®FSH-Z2 | 10 MHz to 3 GHz |
| R&S®FSH-Z3 | 30 MHz to 6 GHz | |
| Power meter | ||
| Terminating power sensors | R&S®FSH-Z1 | 25 MHz to 1 GHz |
| R&S®FSH-Z18 | 30 MHz to 18 GHz | |
| Directional power sensors | R&S®FSH-Z14 | 10 MHz to 8 GHz |
| R&S®FSH-Z44 | 200 MHz to 4 GHz | |
| General data | ||
| Operating temperature range | with battery | 0 °C to +50 °C |
| Battery operating time | receiver mode | 2.5 h |
| spectrum analyzer mode | 4.5 h | |
| Dimensions (W × H × D) | with handle | 194 mm × 300 mm × 144 mm (76 in × 118 in × 57 in) |
| without handle | 194 mm × 300 mm × 69 mm (76 in × 118 in × 28 in) | |
| Weight | 3.3 kg (6.6 lb) | |