美国无线通信集团（Wireless Telecom Group；NYSE: WTT）旗下Boonton公司近日推出4240系列功率计，该系列功率计是经典的Boonton 4230系列功率计升级版。产品完全向后兼容，并可与现有Boonton CW二极管和热电偶传感器配合使用。4240系列功率计所支持的测量单位有：dBm、瓦（watts）、dBr以及V（电压，备选）。
产品特点
4240系列有单通道（4241）和双通道（4242）两款选择。两款仪表均带有集成校准器，可提供超稳定、50MHz参考信号，校准功率范围为-60dBm至+20dBm，功率测量结果以5位数或者条码图进行LCD显示。
4240系列支持-70dBm至+44dBm的RF功率测量，最大动态范围为90dB（具体取决于传感器）。进行RF功率测量时的频率范围为10kHz至40GHz，进行电压测量（备选）时的频率范围为10Hz至1.2GHz。测量速度为每秒200次（4241）或者100次（4242）读数。
4241/4242功率计采用SCPI指令集或Lab VIEW驱动软件，可与自动测量设备（ATE）系统进行简单集成。另外，4240系列兼容HP437、HP438以及先前的Boonton 4220A/4230A功率计，可以通过标准的RS-232或者IEEE-488接口进行遥控。
The 4240 series power meters are the successors of the well known Boonton 4230 series. The new 4240 is fully backwards compatible and can be paired with all available Boonton CW diode and Thermocouple sensors.
The 4240 series is offered as one channel (4241) or two channel (4242) instrument. Both meters come with an integrated calibrator that provides an ultra-stable, 50-MHz reference signal, and deliver a calibration power range from -60dBm to +20dBm. A built-in calibrator allows sensor calibrations right before the measurement providing highest measurement accuracy. Power measurements are displayed with five-digit resolution or bar graph.
“Boonton’s power meters are utilized in countless educational, military and manufacturing applications. The new Boonton 4240 series follows our tradition providing flexible, reliable, state-of-the-art test equipment,” said Wolfgang Damm, director of product management at Wireless Telecom Group. “With its built-in compatibility to all current and legacy CW sensors, Boonton 4240 series protects customer’s past and future investments.”
4240 series allows RF power measurements from -70dBm to + 44dBm with a maximum dynamic range of 90dB (sensor dependent). The frequency range is 10kHz to 40GHz for RF power measurements, and 10Hz to 1.2GHz for voltage measurements (optional). Supported measurement units are dBm, watts, dBr and volts (optional). Rapid display update rates allow convenient operation with tuning applications. The measurement speed of the 4240 series is 200 / 100 (4241/4242) readings per second.
SCPI command set or available Lab VIEW® drivers for both the 4241 and 4242 power meters allow simple integration in automatic test equipment (ATE) systems. Furthermore, the 4240 series emulates HP437, HP438 and legacy Boonton 4220A / 4230A meters. Both the 4241 and 4242 instruments can be remote controlled via standard RS-232 or IEEE-488 interfaces.
For more information, contact wdamm@wtcom.com.
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