This stabilizer was designed to supply the PBX (Private branch exchange) up to 10 rooms. Input voltage +65 VAC, Output voltage 55 … 65 V, load current 100 mA.
Parts list : R1 : 1K R2 : 6K2 R3 : 3K R4 : 10 K Variable R5 : 3K C1 : 1000uF/100V C2 : 47nF C3 : 200uF/100V VD1 : KU405E VD2 : KC527A VT1 : KT815A VT2 : KT3102A FU1 : 0.5A
