TY - JOUR AU - F Walls AU - Eva Ferre-Pikal AU - Steven Jefferts 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 -