Elenco Telephone Bug - Manual (Page 8)

QUIZ
1) The Telephone Bug is a small FM radio __________.
2) The main components of the Bug are the modulator, __________ oscillator, __________ amplifier, and
antenna.
3) The RF oscillator frequencies for FM radio are between 88MHz and _____MHz.
4) An __________ circuit consisted of a coil and a capacitor connected together.
5) The Bug gets its power from the __________ line.
6) Current through resistor __________ turns on transistor Q2.
7) Transistor Q2 amplifies the __________ frequencies on the telephone line.
8) The modulation adds the __________ signal to the RF carrier.
9) The further the FM carrier is pulled from its center frequency, the __________ will be the voice signal heard
in the radio speaker.
10) The antenna will __________ the signal into space.
Answ ers: 1. tr ansmitter; 2. RF , v oice; 3. 108; 4. oscillator; 5. phone; 6. R1; 7. voice; 8. v oice; 9. louder; 10. radiate
SCHEMATIC DIAGRAM
Elenco ® Electronics, Inc.
150 Carpenter Avenue
Wheeling, IL 60090
(847) 541-3800
Website: www.elenco.com
e-mail: [email protected]