Dongguan Jie Tong Electronic Instrument Co., Ltd. 
 Contact: Mr. Zhou 
 Tel: 13760331089 
 QQ: 1511158498 
 T: 0769-82086182 
 F: 0769-82086182 
 Zip Code: 523710 
 Address: Hung Lai Yuen Road, Zhenjiang Tangxia Garden 3 6F 

 Product Name: Frequency Counter Agilent5385A 
 Brand: Agilent 
 Model: 5385A 
 Product Index: 10Hz-100MHz 
 Product information: HP5384A/5385A/5386A is the lowest price HP introduced the system frequency counter. 

 Specifications 
 Input Channel A (HP8356A/85A/86A): 1MΩ / / 25pF. 
 Range: 10Hz to 100MHz. 
 Sensitivity: 15mVrms sine wave 50Hz (HP5386A to 10Hz) to 100MHz; 45mV peak to peak value of the minimum pulse width of 5ns; only for HP5384A/85A: 25mV rms sine wave 10Hz to 50Hz. 
 Dynamic Range: 45mV to 4V peak to peak value of the X attenuator setting. 
 Attenuator: X1 or X20 higher than the nominal 50Hz input. 
 Low-pass filter: 100KHz nominal 3dB point. 
 Manual trigger level: the variable,-0.1V to +0.1 VX attenuator. 
 Damage level X1 :10-200Hz 350V (DC + AC peak) 
 0.2-420KHz 170V (DC + AC peak) 
 0.42-10MHz (5 × 107rms Hz) / frequency 
 > 10MHz 5V rms 
 X20: <1MHz, with X1:> 1MHz, 50V rms. 
 Input Channel B (HP5384A): 50Ω 
 Range: 5 to 225MHz. 
 Sensitivity: 10mV rms50 to 200MHz; 15mV rms200 to 225MHz. 
 Dynamic Range: 10mV to 1Vrms. 
 Manual attenuator: variables, X1 to X5 (0 to 14dB) Nominal value 
 Damage Level: 350V AC DC +5 V rms 
 Input Channel B (HP5385A): 50Ω, with fuse 
 Range: 90 to 100MHz. 
 Sensitivity: 10mVrms (-27dBm) 100-1000MHz; 15mV rms (-23.5dBm) 90-100MHz. 
 Dynamic Range: 10mV to 7Vrms (-27 to +30 dBm). 
 Manual attenuator: variables, X1 to X18 (0 to 25dB) Nominal value 
 Damage Level: AC> 1MHz +30 dBm (7V rms). 
 AC <1MHz 2V rms, DC +5 V.