TY - JOUR AU - Walls, F AU - Ferre-Pikal, Eva AU - Jefferts, Steven C2 - IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control DA - 1997-01-01 LA - en M1 - 44 PB - IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control PY - 1997 TI - The Origin of 1/f PM and AM Noise in Bipolar Junction Transistor Amplifiers, ER -