化工儀器網(wǎng)
產(chǎn)品簡介
類型：綜合參數(shù)測試儀
品牌：R&S羅德施瓦茨
型號：R4860
品牌：R&S羅德施瓦茨
型號：R4860
詳細介紹
供應(yīng)R&S羅德施瓦茨R4860測試儀R4860數(shù)字無線通信測試儀
特點
·PDC標準STD-27B/C測量
·高精度測量
·緊縮式、輕便型設(shè)計
·用于高生產(chǎn)量時的高速度測量 單一單元用于發(fā)射機和接收機測量
技術(shù)指標
OCXO referemce oscillator | ||
Temperatureeffect (O to 45℃) | ≤1×10^-7 | |
Aging (35℃) | ≤2×10^-7/year | |
DC voltmeter | 0 to ±30 V | |
DC ammeter | 0to ±10A | |
Operating modes | currentaveraging with PDC-adapted time constant,peak current measure-ment (positive andnegative) | |
Common-mode rejection | ±30V | |
Resistance | 50 mΩ | |
Receiver measurements | ||
RFgenerator | ||
Frequency ranges | 810 to 826 MHz | |
Channelspacing | 25 kHz | |
Resolution | 1Hz | |
Frdquency drift | sameas reference frequency | |
Outputlevel | RF IN/OUT RF OUT 2 | -119 to -27 dBm -70 to 0 dBm |
Resolutionof level setting | 0.1 dB | |
Level accuracy | RF IN/OUT | ±1.5 dB |
Carrier offset | ≤-25dBc | |
Vectcr error | 4°rms | |
Modulation | to RCR-STD27 | |
Signal purity | ||
Adjacent-channelleakage power | ||
(BW=21 kHz) | ≤-50 dB(50 kHz carrier offset) | |
Harmonics | ≤-20 dBc | |
BER measurements | ||
Synchronizationrange | 0 to 10% | |
Meas.rangeafter synchronization | 0 to 25% | |
Resolution | 0.01% | |
Measured bit length | 2240to 44800 | |
Input transmission rate | ≤-50kbit/s | |
Transmitter measurements | ||
Receive section | ||
Frequencyranges | 915 to 956 MHz | |
Channel spacing | 25kHz | |
Frequency drift | sameas reference frequency | |
Input level | RF IN/OUT | 5 to 37 dBm |
Meawurement ofadjacent-channel power | ||
Meassurement range(BW=21kHz) | ≥-53 dB(50 kHz carrier offset) | |
Inherent noise | RFIN/OUT | ≤-65 dBm |
VSWR | ≤1.3(into 50Ω) | |
Time-axis meawurement | ||
Resolution | 1/2sybol(approx 12 μs) | |
Modulationmeawurements | ||
Frequency offset measurement range | ±4kHz | |
Frequency measurement accuracy | 10 Hz + reference frequencydrift | |
Resolution | 1Hz | |
Mldulation accuracy meas.range | 0to 30% | |
Resolution | 0.1% | |
Accuracy | meas.value≤2%rms meas.value>2% rms | (1.0+reading×3%)%rms (2.0+reading×3%)% rms |
Inherent offset | ||
(at-25 dBc carrier offset) | ±2dB | |
Measurement of transmission rate | ||
Measurement range | ±5ppm | |
Resolution | 0.1ppm | |
Interfaces | ||
Remote control | IEC625-2(IEEE488) | |
Printer | Centronics(25-contact) | |
Data input | BNC,≤50 kbit/s | |
External reference input | BNC,TTL(CMOS) | |
Impedance | 100 kΩ | |
有意者請：
深圳市微普測電子有限公司 陳丙州-