figure 1. the dual station intercom (transistor) circuit figure 2 ... · 2017. 12. 22. · code 327...
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http://www.futurekit.com
FUTURE KIT
FUTURE KIT
HIGH QUALITY ELECTRONIC KITS
HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION
R ǧ¨ÃÍÔ¹àµÍˤÍÁ 2 ¨Ø´ 2 ÅÓ⾧ Ẻ§‡ÒÂ
DUAL STATION INTERCOM (TRANSISTOR)
CODE 327 LEVEL1
NO.1
Figure 2. Circuit Assembling
Figure 1. The Dual Station Intercom (Transistor) Circuit
NOTE:
FUTURE BOX FB03 is suitable for this kit.
SP1 SPEAKER8 Ω 0.25W
FK327
SP1
SP2
SW
SP1 SP2+ - + -
G+4
.5-6
V
++
+
1234
G
+
SP2 SPEAKER8 Ω 0.25W
Figure 3. Installing the ComponentsRESISTOR ELECTROLYTIC
CAPACITOR
TRANSISTOR
Watch the polarity!
CERAMIC
CAPACITOR
C
+
+
C .....µF
R .....Ω RR
C
+
C
C .....µF
C
TRTR
NPN
B
E
C
PNP
B
C
E
DK A
D
K
A
DK
A
DIODE
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