回收泰克二手仪器仪表

回收泰克二手仪器仪表
回收射频类仪器/工厂闲置、淘汰仪器仪表！价格公道！资金雄厚！
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回收泰克二手仪器仪表
实时计算I/Q波形。符号被映射到星座，数字滤波，并上采样到125Msp，以便通过双14位DAC驱动I/Q调制器。符号可以是固定模式，来自内部源的PRBS数据，或者来自下载的用户列表，最哆可达16兆比特。
星座映射可以由用户修改。数字滤波器包括升余弦、根升余弦、高斯、矩形、线性、正弦和用户定义的FIR。

外部IQ调制
后面板BNC I/Q调制输入和输出通过外部源实现任意矢量调制。外部信号路径最da支持400MHz的RF带宽，全范围为±0.5V和50Ω的输入阻抗。

功率与频率
所有TSG4100A系列机型都具有级联级的放大器和数字衰减器来驱动RF输出。在156个数字控制步骤中，五个阶段可以提供高达25 dB的增益到130 dB的衰减。在工厂校准期间，对156个衰减器步骤中的每一个，以每八度32个频率测量输出功率，以填充具有约40000个元素的

存储矩阵。当设置到特定的频率和功率时，仪器在这些矩阵元素之间进行插值以确定更佳的衰减器设置。模拟衰减器用于在矩阵元件之间提供0.01分贝分辨率，并补偿残余热效应。

OCXO时基
这些仪器提供了一个烤箱控制晶体振荡器（OCXO）时基。时基使用恒温控制的烘箱中的第三泛音应力补偿的10 MHz谐振器。时基提供非常低的相位噪声和非常低的老化。

轻松远程通信
RS-232、LAN和GPIB接口支持远程操作。所有的仪器功能都可以通过任何接口来控制和读取。可以在非易失性存储器中保存多达九种仪器配置。

External IQ modulation
The rear-panel BNC I/Q modulation inputs and outputs enable arbitrary vector modulation via an external source. The external signal path supports maximally 400 MHz of RF bandwidth with a full scale range of ±0.5 V and a 50 Ω input 

impedance.

Power vs. frequency
All TSG4100A Series models hve cascaded stages of amplifiers and digital attenuators to drive the RF output. Five stages can provide up to +25 dB of gain to -130 dB of attenuation in 156 digitally controlled steps. During factory 

calibration, the output power is measured at 32 frequencies per octae for each of the 156 attenuator steps to populate a memory matrix with about 40,000 elements. When set to a particular frequency and power, the instrument interpolates 

between these matrix elements to determine the best attenuator setting. An analog attenuator is used to provide 0.01 dB resolution between matrix elements and to compensate for residual thermal effects.

Internal baseband generators
Using a novel architecture for I/Q modulation, the TSG4100A Series provides quick, user-friendly wveform generation. The baseband generator supports the playback of pure digital data. It automatically maps digital symbols into a 

selected I/Q constellation at symbol rates of up to 6 MHz and passes the result through the selected pulse shaping filter to generate a final wveform updated in real time at 125 MHz. This baseband signal is then modulated onto an RF 

carrier using standard IQ modulation techniques.

Digital communications protocols (GSM, GSM EDGE, W-CDMA, APCO-25, DECT, NADC, PDC, and TETRA) quickly configure the signal generator to the correct modulation type, symbol data rates, TDMA duty cycles, and digital waeform filters. The 

preset protocols also configure the rear-panel TDMA, START of frame, and SYMBOL CLOCK digital outputs. The baseband generators can be configured for these protocols without the use of external computers or third software.

回收泰克二手仪器仪表
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