Communication-concepts EB63 Engineering Bulletin Manual do Utilizador descarregar pdf (Página 3)

HIVE INF

RMATI

ARCHIVE INFORMATION

EB63

RF Application Reports

C1 = 33 pF Dipped Mica

C2 = 18 pF Dipped Mica

C3 = 10 µF 35 Vdc for AM operation,

100 µF 35 Vdc for SSB operation.

C4 = .1 µF Erie

C5 = 10 µF 35 Vdc Electrolytic

C6 = 1 µF Tantalum

C7 = .001 µF Erie Disc

C8, 9 = 330 pF Dipped Mica

R1 = 100 kΩ 1/4 W Resistor

R2, 3 = 10 kΩ 1/4 W Resistor

R4 = 33 Ω 5 W Wire Wound Resistor

R5, 6 = 10 Ω 1/2 W Resistor

R7 = 100 Ω 1/4 W Resistor

RFC1 = 9 Ferroxcube Beads on #18 AWG Wire

D1 = 1N4001

D2 = 1N4997

Q1, Q2 = 2N4401

Q3, 4 = MRF454

T1, T2 = 16:1 Transformers

C20 = 910 pF Dipped Mica

C21 = 1100 pF Dipped Mica

C10 = 24 pF Dipped Mica

C22 = 500 µF 3 Vdc Electrolytic

K1 = Potter & Brumfield

KT11A 12 Vdc Relay or Equivalent

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Figure 4. Schematic Diagram

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