供应低噪声频谱分析仪 HP358**

低噪声频谱分析仪 HP 358**
厂家: 美国惠普 (23x42x63cm,39.9 kg)

80 dB 动态范围 
0.1 Hz 分辨率 
3 Hz 分辨率带宽 
±0.4 dB 调幅**度  
-137 dBm to +30 dBm 电平测量 
50 Ω, 75 Ω, and 1 MΩ 可选择的输入阻抗 
1001 x 1024 数字存储显示  
带跟踪发生器  
自动匹配输入衰减器  
面板设置或标记值由CRT读出  
HP-IB接口 
频率

测量范围: 20 Hz to 40.1 MHz  
频率显示
范围: 0 Hz to 40.1 MHz variable with 0.1 Hz resolution or 10 Hz to 40 MHz in 1, 2, 5 
Accuracy: -0% + 0.2% of frequency span setting 
指示器
读出精度: ± 0.2% of frequency span ± resolution bandwidth 
计数精度: ± 0.3% Hz ± 1 X 10-7/month of counted frequency for a ** 20 dB greater than other **s and noise in the resolution for bandwidth setting  
分辨率带宽
范围: 3 dB bandwidth of 3 Hz to 30 kHz in a 1, 3, 10 sequence 
**度: ± 20% at the 3 dB points 
选择性: 60 dB/3 dB <11.1  
调幅

测量范围:
1 MΩ input: -31 nVrms to +7.08 Vrms
50/75 Ω input: -137 dBm to +30 dBm 
All receiver inputs can be overdriven by up to 12.3 dB above the range setting, with some degradation in distortion performance. 
显**围:
刻度: 10 division CRT vertical axis with Reference Level at the top graticule line
校准: 10, 5, 2 and 1 dB/division from the Reference Level 
输入范围: -25 dBm to +30 dBm in 5 dB steps  
参考电平范围(relative to input range): -100 dB to +10 dB  
动态范围

(接收机)乱真信号响应
50/75 Ω input: < -80 dB refered to a single ** equal to or less than Input Range
1 MΩ input: < -80 dB except second harmonic distortion <-70 dB 
互调失真
50/75 Ω input: < -80 dB referred to the larger of two **s each 6 dB below Range except 2nd order IM from 10 MHz to 40 MHz <-70 dB
1MΩ input: < -70 dB Residual responses (no ** at input) <-120 dBm using -25 dBm range 
剩余噪声: < -120 dBm using -25 dBm range  
残留相位噪声(typical at 40 MHz, -10 dBm input)
5 kHz 偏移量: -112 dBc/Hz
100 kHz 偏移量: -120 dBc/Hz  
扫频

模式: 连续,单一或手工 
触发: free Run, Line or External  
时间: 0.2 s full sweep to 200 s/Hz of Frequency Span (swept time excluding auto calibration cycles) 
输入

信号输入
50/75 Ω input: 26 dB return loss,BNC连接器
1 MΩ input: ± 3% shunted by <30 pF,BNC连接器  
较大输入电平
50/75 Ω input: 13 V peak ac plus dc relay protected against overloads to 42 V peak
1 MΩ input: 42 V peak ac plus dc (derate by factor of two for each octave above 5 MHz)  
External Trigger Input negative going TTL level or contact closure required to initiate sweep  
External Reference Input 10 MHz (or subharmonic to 1 MHz), 0 dBm minimum level 
输出

跟踪信号发生器

电平: 0 dBm to -11 dBm with a single turn knob 
频率精度: ± 1 Hz relative to analyzer tuning  
频率响应: ± 0.7 dB 
阻抗: 50 Ω; > 14 dB return loss 
探头功率: +15 Vdc, -12.6 Vdc; 150 mA max  
中频: 350 kHz, -11 dBV to -15 dBV at the reference level 
视频: 10 V at the reference level  
频率参考: 10.000 MHz ± 1 X 10 -7/month, +10 dBm into 50 Ω  
工作环境 

工作温度: 0°C to 55°C  
湿度: < 95% RH except 300 Hz BW <40% RH  
预热时间: 20 minutes at ambient temperature  
电源： 
115 V (+11& - 25%), 48-440 Hz 
230 V (+11%-18%), 48-66 Hz
180 watts 3A max