這PXI國家儀器公司-2599(零件號:778572-99)是一個雙SPDT，26.5 GHz，50ωPXI射頻繼電器模塊。這種通用的射頻繼電器模塊設(shè)計用于在自動化測試應(yīng)用中路由微波或RF信號。這倪PXI-2599帶有集成的繼電器計數(shù)跟蹤功能，可用于預(yù)測繼電器壽命，以及減少意外停機時間。該模塊提供1.73 Arms最大進位電流(每通道)、150 W最大RF進位功率(50ω負載)和-35 dBm最小開關(guān)負載。

這倪PXI-2599配有閉鎖型機電繼電器。就其RF性能特性而言，該型號在≤26.5 GHz頻率下工作時，會產(chǎn)生%3C0.7 dB插入損耗、%3C1.7電壓駐波比、%3E55 dB開路通道隔離和25 W RF載波功率。這美國國家儀器公司PXI-2599射頻繼電器模塊是一種I級測量設(shè)備。因此，它設(shè)計用于承載≤ 100 V的信號電壓，然而，它可以承受高達500 V的浪涌電壓。

為此建議的循環(huán)速度繼電器模塊該模塊中使用的繼電器由鈹銅、鍍金觸點材料制成。這些繼電器的預(yù)期機械繼電器壽命為1 × 10^七周期。重約260克(9.2盎司。)，在倪PXI-2599是一個3U單槽PXI模塊，物理尺寸為21.6厘米× 2.0厘米× 13.0厘米。該模塊可以通過PXI觸發(fā)線%3C0接收和輸出觸發(fā)信號...7%的3E。

The National Instruments PXI-2599 (Part Number: 778572-99) is a Dual SPDT, 26.5 GHz, 50 ? PXI RF Relay Module. This general-purpose RF Relay Module is designed for routing microwave or RF signals in automated test applications. The NI PXI-2599 comes with an integrated relay count tracking feature that can be utilized for the prediction of relay lifetime, as well as to reduce unexpected downtimes. This module offers 1.73 Arms maximum carry current (per channel), 150 W maximum RF carry power (at 50 Ω load), and -35 dBm minimum switch load.

The NI PXI-2599 comes equipped with latching type electromechanical relays. As far as its RF performance characteristics are concerned, this model incurs <0.7 dB insertion loss, <1.7 voltage standing wave ratio, >55 dB open channel isolation, and 25 W RF carry power while operating at ≤26.5 GHz frequency. The National Instruments PXI-2599 RF Relay Module is a Measurement Category I rated device. Thus, it is designed to carry signal voltages ≤ 100 V. However, it can withstand up to 500 V surge voltages.

 The recommended cycle speed for this Relay Module is 5 channels/s. The relays utilized in this module are made of a Beryllium copper, gold-plated contact material. These relays have an expected mechanical relay life of 1 × 10⁷ cycles. Weighing around 260 g (9.2 oz.), the NI PXI-2599 is a 3U, one slot, PXI module with physical dimensions of 21.6 cm × 2.0 cm × 13.0 cm. This module can receive and output trigger signals through PXI trigger lines <0...7>.