Elenco Digital Bird User Manual
DIGITAL BIRD KIT
MODEL K-19
Assembly and Instruction Manual
Copyright © 2012, 1989 by Elenco®Electronics, Inc. All rights reserved. Revised 2012 REV-H 753219
No part of this book shall be reproduced by any means; electronic, photocopying, or otherwise without written permission from the publisher.
ELENCO
®
PARTS LIST
If you are a student, and any parts are missing or damaged, please see instructor or bookstore. If you purchased
this Digital Bird Kit from a distributor, catalog, etc., please contact ELENCO
®
(address/phone/e-mail is at the
back of this manual) for additional assistance, if needed. DO NOT contact your place of purchase as they will
not be able to help you.
RESISTORS
Qty. Symbol Description Color Code Part #
r 1R5 39Ω 5% 1/2W orange-white-black-gold 123901
r 1R4 4.7kΩ 5% 1/4W yellow-violet-red-gold 144700
r 3 R1, R2, R3 500Ω Potentiometer 191351
CAPACITORS
Qty. Symbol Value Description Part #
r 1 C5 10pF (10) Discap 211011
r 2 C3, C4 1μF Electrolytic 261047
r 2 C1, C2 1000μF Electrolytic 291044
SEMICONDUCTORS
Qty. Symbol Value Description Part #
r 1 Q1 2N3904 Transistor 323904
r 1 IC1 4011 Integrated circuit (IC) 334011
MISCELLANEOUS
Qty. Symbol Description Part #
r 1 PC board 518019
r 1 S1 Switch push button 540001
r 1 B1 Battery snap 9V 590098
r 1 SPK1 Speaker 8Ω 590102
r 1 IC socket 14-pin 664014
r 2 Wire 4” blue 814620
-1-
Resistors
PARTS IDENTIFICATION
• Do not short circuit the battery terminals.
• Never throw the battery in a fire or attempt to open its outer casing.
•
Use only 9V alkaline battery (not included).
• Insert battery with correct polarity.
• Non-rechargeable batteries should not be recharged.
Rechargeable batteries should only be charged under adult
supervision, and should not be recharged while in the product.
• Remove battery when it is used up.
•
Batteries are harmful if swallowed, so keep away from small children.
Batteries:
Push button switch with
1/4” nut and washer
Electrolytic
(radial)
Discap
Transistor
Carbon film
500Ω Potentiometer
Capacitors
Wire
Semiconductors
Integrated circuit (IC)
Miscellaneous
Battery snap 9V
Speaker 8Ω
IC socket 14-pin
-2-
Warning:
If the capacitor is
connected with
incorrect polarity, it
may heat up and
either leak, or
cause the capacitor
to explode.
IDENTIFYING RESISTOR VALUES
Use the following information as a guide in properly identifying the value of resistors.
BANDS
METRIC UNITS AND CONVERSIONS
Abbreviation Means Multiply Unit By Or
p Pico .000000000001 10
-12
n nano .000000001 10
-9
μ micro .000001 10
-6
m milli .001 10
-3
– unit 1 10
0
k kilo 1,000 10
3
M mega 1,000,000 10
6
1. 1,000 pico units = 1 nano unit
2. 1,000 nano units = 1 micro unit
3. 1,000 micro units = 1 milli unit
4. 1,000 milli units = 1 unit
5. 1,000 units = 1 kilo unit
6. 1,000 kilo units = 1 mega unit
IDENTIFYING CAPACITOR VALUES
Capacitors will be identified by their capacitance value in pF (picofarads), nF (nanofarads), or μF (microfarads).
Most capacitors will have their actual value printed on them. Some capacitors may have their value printed in
the following manner. The maximum operating voltage may also be printed on the capacitor.
Electrolytic capacitors have a positive
and a negative electrode. The
negative lead is indicated on the
packaging by a stripe with minus
signs and possibly arrowheads. Also,
the negative lead of a radial
electrolytic is shorter than the positive
one.
Polarity
marking
BAND 1
1st Digit
Color Digit
Black 0
Brown
1
Red 2
Orange 3
Yellow 4
Green 5
Blue 6
Violet 7
Gray 8
White 9
BAND 2
2nd Digit
Color Digit
Black 0
Brown 1
Red 2
Orange 3
Yellow 4
Green 5
Blue 6
Violet 7
Gray 8
White 9
Multiplier
Color Multiplier
Black 1
Brown 10
Red 100
Orange 1,000
Yellow 10,000
Green 100,000
Blue 1,000,000
Silver 0.01
Gold 0.1
Resistance
Tolerance
Color Tolerance
Silver ±10%
Gold ±5%
Brown ±1%
Red ±2%
Orange ±3%
Green ±0.5%
Blue ±0.25%
Violet ±0.1%
1
2 Multiplier Tolerance
Multiplier
For the No. 0 1 2 3 4 5 8 9
Multiply By 1 10 100 1k 10k 100k .01 0.1
(+)
(–)
(+)
(–)
Axial
Radial
Second digit
First digit
Multiplier
Tolerance*
Note: The letter “R” may be used at times
to signify a decimal point; as in 3R3 = 3.3
The letter M indicates a tolerance of +20%
The letter K indicates a tolerance of +10%
The letter J indicates a tolerance of +5%
Maximum working voltage
(may or may not appear
on the cap)
The value is 10 x 10 =
100pF, +10%, 50V
*
CERAMIC DISC MYLAR
First digit
Second digit
Multiplier
Tolerance*
2A222J
100V
The value is 22 x 100 =
2,200pF or .0022μF, + 5%, 100V
101K
50V
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