Ramsey Electronics SA7 IP Phone User Manual


 
SA7—3
PARTS SUPPLIED WITH SA7 KIT
Capacitors
1 2.2 pF capacitor [axial style, green body with red bands] (C6)
1 4.7 or 5 pF disc capacitor (C1)
3 .01 uF disc [marked .01 or 103 or 10 nF] (C2,3,5)
1 4.7 to 10 uF electrolytic capacitor (C4)
Resistors
1 47 ohm SMT (surface mount technology)"chip" resistor (R6)
1 51 ohm [green-brown-black] (R2)
2 100 ohm [brown-black-brown] (R1,R5)
1 470 ohm [yellow-violet-brown] (R3)
1 1K ohm [brown-black-red] (R4)
Special Components, Semiconductors:
1 SA7 printed circuit board
1 .04 uH coil [4 turns pre-wound] (L1)
2 2SC2498 or 2SC2570A microwave bipolar transistor (Q1,Q2)