Agilent E4438B ESG矢量信號發(fā)生器通過提供優(yōu)異的基帶信號而達(dá)到了新的性能水平。它具有寬RF調(diào)制帶寬、快采樣率和大存儲器，這是評估2.5G、3G和寬帶無線通信系統(tǒng)及部件的關(guān)鍵要求。此外，ESG矢量信號發(fā)生器還提供達(dá)6GHz的頻率覆蓋，能符合無線局域網(wǎng)的特殊要求。
儀器可提供模擬調(diào)制、采用標(biāo)準(zhǔn)和定制制式的數(shù)字調(diào)制、優(yōu)異的電平精度和頻譜純度，以及極便于配置的體系結(jié)構(gòu)，因而是一般研制開發(fā)、制造和查錯應(yīng)用的理想設(shè)備?！?/div>
·250 kHz 至 1,2,3,4,6GHz 的頻率覆蓋
·使用外部I/Q輸入時的160MHz RF調(diào)制帶寬，或使用內(nèi)部基帶發(fā)生器時的80MHzRF調(diào)制帶寬
·100MHz采樣率，帶16bit,400MHz的數(shù)模轉(zhuǎn)換器（4倍過采樣率）
·32M采樣（160Mbyte）基帶存儲器
·用于波形存儲的6Gbyte硬盤驅(qū)動器
·內(nèi)部誤碼率分析儀
·寬帶FM和相位調(diào)制，AM和脈沖調(diào)制
·定制數(shù)字調(diào)制（大于15種FSK、MSK、PSK和QAM）
·固件專用件 (3GPP W-CDMA, cdma2000/IS-95A, GSM/EDGE/NADC, 噪聲) 和 Signal Studio 軟件專用件 (802.11a, 802.11b, 藍(lán)牙, 1xEV-DO)
·10BaseT LAN, GPIB, 和RS-232 連接能力
●Frequency range 250 kHz to 1, 2, 3, 4, or 6 GHz
●Output power up to +17 dBm
●RF modulation bandwidth up to 160 MHz
●Flexible FSK, MSK, PSK, QAM, custom I/Q, AM, FM, ΦM, and pulse
●Step & list sweep frequency and power
●Internal baseband generator (80 MHz RF BW)
●Arbitrary I/Q waveform playback (up to 100 MSa/s)
●Up to 64MSa playback memory and 1 GSa storage
●Real-time I/Q symbol generation (up to 50 Msym/s)
●Generate 802.11 WLAN, W-CDMA, cdma2000, 1xEV, TD-SCDMA, GSM, EDGE, cdmaOne, multitone, and more
●Digital I/O, fading, and PC HDD waveform streaming with Baseband Studio
● Remote control over 10BaseT LAN and GPIB
●SCPI and IVI-COM drivers
Simplified ordering structure
for the E4438C ESG vector signal generator
Frequency options
• 501 250 kHz to 1 GHz
• 502 250 kHz to 2 GHz
• 503 250 kHz to 3 GHz
• 504 250 kHz to 4 GHz
• 506 250 kHz to 6 GHz
Hardware options
• 001 Internal baseband generator
(8 Msamples memory)
• 002 Internal baseband generator
(32 Msamples memory)
• 005 6 Gbyte non-volatile waveform storage
• UNB High output power with mechanical attenuator
• UNJ Enhanced phase noise performance
• 1E5 High-stability time base
• UN7 Internal bit-error-rate analyzer
• 300 GSM/EDGE basestation loopback BER
test capability
• 1EM Move all front panel connectors to rear
Signal generation firmware personalities
• 400 3GPP W-CDMA (FDD)
• 401 cdma2000 and IS-95-A
• 402 TDMA (GSM/EDGE/NADC/PDC/PHS/
TETRA/DECT)
• 403 Calibrated noise
• 409 GPS
Signal Studio software personalities
• 404 1xEV-DO
• 405 802.11b WLAN
• 406 Bluetooth
• 408 Enhanced multitone
• 410 802.11a WLAN
• 411 TD-SCDMA (TSM)