Intracellular Amplifier

Overview:

The AM3100 Intracellular Amplifier is a simple to use, low cost intracellular amplifier and comes with a small and light weight probe measuring 1.1cm in diameter by 5.6cm long and weighing only 10 grams. The AM3100 is ideal for the classroom and is included in the PTB266 Neurobiology Teaching System. The small size of the amplifier and its remote power supply offers the advantage of placing the amplifier near to the experimental set up or within a Faraday cage. The unit allows for extremely precise adjustments to transient suppression during membrane recordings. The DC balance control eliminates the need for an external bridge and provides a DC offset control of up to ±1 V. An internal square-wave generator supplies a 100Hz current pulse to determine electrode resistance. The amplifier has an advanced capacitance "Ringer" control for clearing electrode tips and enhancing the membrane penetration of neurons.

Ordering Information:

When ordering the AM3100 Intracellular Amplifier please specify the following.

Mains Power  = 115V/60Hz for 110-115V or 220V/50Hz for 220-240V.
 

Features:

• Includes small and lightweight headstage 
• Low Noise 
• High Input Impedance 
• Bias current adjustable to zero 
• DC balance with transient suppression circuity 
• Low-pass and line frequency Notch Filters 
• Ringer with adjustable amplitude and frequency
  

Applications:

For information on experiments suitable for use with the AM3100Intracellular Amplifier see our support material in the form of Teaching Experiments for this system available from our Education Experiments section.

Specifications:

• Noise (10Hz - 50kHz): 18µV, rms shorted; < 350µV, 20MΩ source 
• Input impedance: 10¹³Ω; capacitance adjustable to zero 
• Bias current: Adjustable to zero 
• Voltage gain: x1 and x10 
• Capacity Compensation: -4pF - 35pF 
• DC Offset: ±1V 
• Max internal current: 1µA 
• External current: 100nA/V; 10V maximum 
• Electrode test: 100Hz, 10 nA; (i.e. 10mV/MΩ electrode resistance) 
• Ringer: 0 - 10V biphasic, 2 - 8kHz 
• External power supply for low noise 
• Custom settings available