websitetemplate.org

Hjem > Radio/elektronik > SDR > 3. Maj side 58 - 64

3. Maj side 58 - 64

AM and FM, plus an active ferrite antenna.

KOMPONENT LIST Active ferrite antenna
Resistors
(all 5%, 0.25W)
R1,R2,R4,R10 = 470Ω
R3 = 4.7kΩ
R5 = 10Ω
R6 = 22Ω
R7 = 47Ω
R8 = 100Ω
R9 = 220Ω
Capacitors
C1 = 47µF 25V, 20%, radial, 2.5mm, IAC95mA
C2,C3 = 100nF 63V, 5%, MKT, 5mm or 75mm
C4 = 2x265pF + 2x20pF dual gang quad section tuning capacitor (e.g. [4])
Inductors
L1 = 4.7mH, 81mA, 132O, radial, 3mm
L2 = ferrite rod, L = 90mm, D = 10mm (e.g. [4])
3 pcs coil former, 10mm, 5-pin
24.5m (82 ft.) enamelled copper wire, 0.22mm diameter (#31 AWG)
Semiconductors
T1 = BC560C
T2 = BF245B (JFET)
T3 = BC550C
Miscellaneous
K1,K2 = 2-pin pinheader, lead pitch 0.1 in. (2.54mm)
JP1 = 10-pin pinheader, lead pitch 0.1 in. (2.54mm)
TP1 = PCB solder pin, 1.3mm diam.
PCB # 100182-1 [3]
Alternatively: kit, comprising PCB and all
parts: # 100182-71 [3]
Alternatively: Combined kit; 3 kits plus BOB
FT232 USB/TTL-converter: # 100182-72 [3]

Powered By CMSimple.dk - Design By OZ5HZ Finn Johansen