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The transconductance amplifier differs from the standard op-amp in two ways:
The output is a constant current source whose output is proportional to the input voltage.
The gain,or more correctly,the transconductance,is set externally by the adjustment of the current through the bias terminal.This controls the magnitude of the constant current source.
These unique features offer accurate gain without the use of negative feedback.This eliminates closed loop phase shift that can cause oscillations in conventional amplifiers.
The surface mount NJM13600M consists of two voltage controlled current (transconductance) amplifiers each with differential inputs and a push pull output.
The two amplifiers share common supplies but otherwise operate independently.
Linearising diodes are provided at the inputs to reduce distortion and allow higher input levels.The result is a 10dB signal to noise improvement referenced to 0.5% THD.
Controlled impedance buffers are provided which are designed to complement the dynamic range of the amplifiers.
Orders below £100.00 can be delivered by Registered Post at a rate of £3.50 (allow 3-5 days) or a next day tracked courier at a rate of £9.00.
Orders above £100.00 are delivered by a next day tracked courier at a rate of £9.00.
Orders below €100.00 can be delivered by Airmail (allow 5-7 days) at a rate of €5.50 or by a tracked courier at a rate of €19.50 (1-2 days).
Orders to European countries above €100.00 are delivered by a tracked courier at a rate of €19.50 (1-2 days).
Orders below $110.00 can be delivered by Airmail at a rate of $9.00 (allow up to 10 days) or by tracked courier at a rate of $30.00 (1-3 days).
Orders above $110.00 are delivered by a tracked courier at a rate of $30.00 (1-3 days).
Orders below $50.00 can be delivered by post (allowing up to 28 days) at a rate of $18.00 or by a tracked courier at a rate of $49.00.
Orders above $50.00 are delivered by tracked courier at a rate of $49.00.
All prices shown exclude VAT
|Supply Voltage||Vs||36V +/-18V|
|Input Offset Voltage||Vio||0.4mV||5mV|
|Input Offset Current||Iio||0.1uA||0.6uA|
|Input Bias Current||Ib||0.4uA||400pA|
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