Elenco Digital Bird - Manual (Page 8)

ELENCO ®
150 Carpenter Avenue
Wheeling, IL 60090
(847) 541-3800
Website: www.elenco.com
e-mail: [email protected]
QUIZ
1. The Digital Bird uses four ____________________ to produce the birdy sounds.
2. There are _________ oscillators used in the Digital Bird.
3. The frequency of the oscillators are controlled by ________ circuits.
4. The frequency of the first oscillator is lower because the capacitor is ___________ than the value used in
the second oscillator.
5. The NAND gates are wired as ______________.
6. An IC inverter, if the input is high, then the output will be _________________.
7. To vary the frequency of the second oscillator, you must vary resistor _________.
8. The main component of the audio amplifier is the ________________.
9. The speaker gets its power from the _______________ of transistor Q1.
10. There are _____________ variable resistor(s) in the Digital Bird.
Answ ers: 1. NAND gates; 2. tw o; 3. R/C; 4. larger; 5. inve rters; 6. lo w; 7. R2; 8. transistor ; 9. emitter; 10. three