制藥網(wǎng)
詳細(xì)介紹
特性和優(yōu)點(diǎn)
有源差分前置放大器
10 μV/div 的靈敏度
通常 100 dB CMRR 直流到 10 kHz
探頭電源與 TEKPROBE™ BNC 集成
應(yīng)用
機(jī)械分析
音頻設(shè)計(jì)
生物醫(yī)學(xué)研究（未取得接觸患者資格）
醫(yī)療設(shè)備（未取得接觸患者資格）
ADA400A
通過(guò) ADA400A 差分前置放大器，可以用示波器直接測(cè)量幅度非常低的未接地電壓和信號(hào)。兩個(gè)輸入的高阻抗使得無(wú)需在 DUT 中添加額外的接地點(diǎn)，從而避免了循環(huán)電流對(duì)測(cè)量或電路造成影響。
高增益和的共模抑制使得即使在高噪聲環(huán)境下，也能提供低至 5 μV 的有用電壓測(cè)量。可選的帶寬限制減少了數(shù)字邏輯、開(kāi)關(guān)電源和線路頻率源的常模噪聲?？烧{(diào)差分偏置使用戶可以在測(cè)試設(shè)置中對(duì)橋接平衡和電流電勢(shì)進(jìn)行歸零?？稍趦蓚€(gè)增益范圍內(nèi)選擇“無(wú)限阻抗"模式，從而實(shí)現(xiàn)高源阻抗信號(hào)的精確測(cè)量。
ADA400A 直接由 TDS400、TDS500、TDS600、TDS700、TDS5000、TDS7000 (TEKPROBE)、TDS7000 (TekConnect) w/ TCA-1MEG 系列示波器供電。還可由 1103 探頭電源供電。
Features and benefits
Active differential preamplifier
10 V/div sensitivity
Usually 100 dB CMRR dc to 10 kHz
Probe power with TEKPROBE ™ BNC integration
application
Mechanical analysis
Audio design
Biomedical research (not eligible for contact)
Medical equipment (not qualified for contact with patients)
ADA400A
With the ADA400A differential preamplifier, an oscilloscope can be used to directly measure very low ungrounded voltages and signals. The high impedance of the two inputs eliminates the need to add additional points to the DUT, thus avoiding the impact of circulating current on the measurement or circuit.
High gain and very high common mode rejection provide useful voltage measurements as low as 5 V even in high noise environments. Optional bandwidth limits reduce the norm noise of digital logic, switching power supplies, and line frequency sources. Adjustable differential bias allows the user to zero out the bridge balance and current potential in the test setup. The "infinite impedance" mode can be selected in two maximum gain ranges to enable accurate measurement of high source impedance signals.
ADA400A is directly powered by TDS400, TDS500, TDS600, TDS700, TDS5000, TDS7000 (TEKPROBE), TDS7000 (TekConnect) w/ tca-1meg series oscilloscopes. It can also be supplied by 1103 probe power supply.
制藥網(wǎng)