Tv transmitter

Tv transmitter circuit :

Tv transmitter circuit

Parts of the transmitter:

D1—1N914 silicon diode
Q1-Q—2N3904 NPN transistor
R1, R2, R11—1000-ohm
R3, R7—1000-ohm trimmer pot,
R4, R9, R10—10,000-ohm
R5—47,000-ohm
R6—75-ohm
R8—4700-ohm
R12—75-ohm (optional, see text)C1, C8—100-µF, 16-WVDC, electrolytic
C2—2.2--µF, 50-WVDC, electrolytic
C3-C6, C11, C14, C15—001-µF, ceramic-disc
C7, C9—2.2-pF, ceramic-disc
C10—100-pF, ceramic-disc
C12, C13—68-pF, ceramic-discANT1—Antenna, telescopic-whip
B1—9-volt batt
J1-J3—RCA jack
L1—0.15-µH  inductor
L2, L3—2.2-µH m inductor
L4—0.14- to 0.24-mH adjustablecoil
S1—SPST, push-button
T1—4.5-MHz 1F RF transformer