特點 ·PDC標準STD-27B/C測量 ·高精度測量 ·緊縮式、輕便型設計 ·用于高生產量時的高速度測量 單一單元用于發射機和接收機測量 技術指標 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 860 to 885 MHz 1477 to 1501 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 RF OUT 2 ±1.5 dB ±2 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) ≤-60 dB(100 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 1429to 1453 MHz Channel spacing 25kHz Frequency drift sameas reference
發貨期限 : 1 ;
覆蓋頻率 : 1000（MHz） ;
型號 : R4860 ;
** : 德國RS ;
類型 : 便攜式頻譜分析儀 ;