| 产品数量 | 3 |
|---|---|
| 类型 | 电子测量 |
| 设备所在地 | 北京 |
| 输出信号 | 广播电视脉冲噪声 |
| 新旧程度 | 8成新 |
| 设备生产产地 | 日本 |
| 品牌 | 营电 |
| 型号 | 1908A |
脉冲信噪发生器
IMPULSIVE NOISE SIGNAL GENERATOR
厂牌：EIDEN
型号：1908A-001
广播电视设备测试用脉冲噪声信号发生器
尺寸 425×100×480mm
重量 9KG
This unit is impulsive noise generator that can conduct impulse noise test (Burst noise test) regulated by standard, such as DVB-T, ATSC, DOCSIS and etc.
By input of IF signal to this unit, addition of impulse noise and phase noise corresponding to C/N setting and frequency
conversion are made and outp g ut is made as RF signal.
Also, without input of IF to this unit, this unit can be used as noise generator (Max. NBW=100MHz) that outputs only noise centering setting frequency.
Every parameter needed for impulse noise and phase noise measurement can be set easily, so that this unit is most appropriate for performance evaluation of receiver.
+++ Possible to set 4 pulse noise parameters.
（a） PD（Pulse Duration）
（b） PS（Pulse Spacing）
（c） BS（Burst Spacing）
（d） Pulse Per Burst
+++ Possible to select Possible to select “Impulse Impulse” and “Continuous Continuous .”
By using unit with “Continuous” condition, usage as AWGN generator is possible.
+++ Setting of phase noise mask is made by calling out profile pre-set in advance.
Making of profile data is made by defining phase noise value of 5 points that are off set 100Hz, 1KHz, 10KHz, 100KHz and1MHz from carrier.
+++ Output noise band width ： 6 kinds of 100, 24, 8, 6, 4 and 2 MHz.
+++ IF input frequency ： 36～44MHz (1 Hz step)
+++ RF output frequency ： 30～2150MHz (1 Hz step)
+++ RF output level ： 0 ～ －110dBm ( p 0.1dB step）
+++ C/N setting range ： －35～＋40dB (0.1dB step)
+++ Impulsive noise test and phase noise test corresponded to following standards are possible.
+++ EICTA MBRAI 2.0 MOBILE AND PORTABLE DVB-T/H RADIO ACCESS
Part1：Interface specification Item 10.12 Tolerance to impulse interference
Part2：Interface conformance testing Item 11 Tolerance to impulse interference
+++ DOC.A/74 ATSC Recommended Practice：Receiver Performance Guidelines
Item 4.3 Phase Noise
Item 4.4.4 Burst Noise Performance
+++ ANSI/SCTE 79-1 2003 Data Over Cable Systems 2.0
Part1：Radio Frequency Interface
Item 4.3.1 Transmission Downstream, Item 4.3.2 Transmission Upstream
Item F.4.3.1 Transmission Downstream, Item F.4.3.2 Transmission Upstream
15901824610 周经理