( ( ( ( 92 ( for ( ( cascaded amplifiers ) ( with ( signal feedback ) ) ) ) ) ( to ( the ( cathode impedance ) ) ) ) ( of ( a ( prior stage ) ) ) ) . )
(ROOT (NP (NP (CD 92)) (PP (IN for) (NP (NP (JJ cascaded) (NNS amplifiers)) (PP (IN with) (NP (NN signal) (NN feedback))))) (PP (TO to) (NP (DT the) (NN cathode) (NN impedance))) (PP (IN of) (NP (DT a) (JJ prior) (NN stage))) (. .)))
92 for cascaded amplifiers with signal feedback to the cathode impedance of a prior stage.
(ROOT (S (NP (JJ Enzymatic) (NNS cascades)) (VP (VBP help) (VP (VB amplify) (NP (NP (DT the) (NNS effects)) (PP (IN of) (NP (NN extracellular) (NNS signals)))))) (. .)))