High-gain double compound amplifier using RCA CA3102E haslow noise、 excelle tstabity、 and only twotuned circuits,Ideal for 2-meter FM RF stage,but can be used from DC up to 500 MHz by changing tuned circuits Article covers construction、with emphasis on proper shielding.-B.Hoisington,Two High Gain RF Stages One IC for Two Meter FM 73 Magaze,May 1974,p 47-50 and 52.