R3272频谱分析仪
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便携式频谱分析仪 R3272
厂家:日本爱徳万 ( 18x35x42cm,16.5kg)
CW模式:频谱测量,OBW/ACP/HARM测量
频率范围:9k-26.5GHz
输入阻抗:50 Ohm
频率参考准确度:±2x10-8/day,±1x10-7/year
频率稳定度:残留调频(zero span)<3Hz x
最小Span: 2 kHz
最小扫描时间:50 ms
最大扫描时间:1000 s
最小分辩率带宽:300 Hz
最大分辩率带宽:3 MHz
带宽分辩率步进:1/3/10
最小视频带宽:1 Hz
最大视频带宽:3 MHz
视频带宽步进:1/3/10
Minimum Single-Side-Band Noise -110 dBc/Hz
Maximum Single-Side-Band Noise -100 dBc/Hz
最小显示的平均噪声:-110 dBm
最大显示的平均噪声:-70 dBm
最大幅度的不确定度:15 %
触发源:外部,内在
触发模式:Freerun,TTL
调制方式:调频和调幅
大屏幕 256色 TFT LCD
数据存储类型:PCMCIA
GPIB接口
VGA接口
打印接口
The Advantest R3272 spectrum analyzer is a wide band, very sensitive receiver. It works on the principle of "super-heterodyne receiver" to convert higher frequencies (normally ranging up to several 10s of GHz) to measurable quantities. The received frequency spectrum is slowly swept through a range of pre-selected frequencies, converting the selected frequency to a measurable DC level (usually logarithmic scale).
Up to four "dialog-box" type measurement windows can be displayed simultaneously. This allows multiple signals and measurement parameters to be viewed at the same time. For example, the R3272 can display a transmitter signal in one window, while adjacent channel characteristics are monitored in two other windows. This capability gives the user more measurement information and presents it in a highly meaningful way. The instrument also features 10 active markers which simplify evaluation of all signal characteristics. Measurements of adjacent channel power, occupied bandwidth and harmonic levels can be performed at the touch of a button, without the need for manual calculation.
2个PCMCIA口可存储数据也可升级仪器软件(In addition to the PCMCIA interfaces, a broad array of application-specific measurement routines are stored in ROM, which eliminates the need to upload application programs from external mass storage devices.)
R3272 Utilizes Direct Digital Synthesis
The R3272 is the first spectrum analyzer in its price/performance range to utilize Direct Digital Synthesis (DDS), which ensures the highest level of spectrum accuracy throughout the measurement range. DDS also saves time by reducing the need to use a frequency counter for accurate measurements. The instrument's 100 dB display dynamic range and 300 Hz to 5 MHz resolution allow even the most complex signals to be evaluated.