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srs SIM964-1 MHz analog limiter,The SIM964 Analog Limiter provides upper and lower voltage limits for conditioning dynamic signals.

SIM965 模擬濾波器非常適合需要貝塞爾或巴特沃斯濾波器的信號調節(jié)應用。貝塞爾濾波器提供清晰的階躍響應（可忽略的過沖）和線性相位響應，而巴特沃斯濾波器提供通帶平坦度和一些過沖。 從前面板可以選擇高通或低通濾波。SIM965 SRS STANFORD 模擬濾波器測試

srs SIM980-1 MHz analog summing amplifier,

srs SIM9B2-SIM prototype kits，srs SIM9B2-SIM prototype kits 測試

srs SR470-Laser shutters & controllers,Introducing two new optical shutter systems from SRS-the SR470 Laser Shutter Controller and SR474 Four-Channel Laser Shutter Driver.

srs SR556-Current preamplifier 測試，The SR556 is a low-noise, high-bandwidth, fixed-gain current (trans-impedance) amplifier designed to work with SRS lockin amplifiers. Current amplifiers provide

srs SR445A-Quad 350 MHz preamplifier，The Model SR445A 350 MHz Preamplifier contains four wide-bandwidth, DC-coupled amplifiers, each with a gain of 5. The four channels may be used independently,

srs DB64-Coax delay with 0.5 ns resolution，The SRS Model DB64 Coax Delay Box provides switch-controlled delays from 0 to 63.5 ns with 0.5 ns resolution.