Ramsey Electronics SM3 Скачать руководство пользователя | Manualshive

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background image

Realistic

POLICE

SIREN

KIT

•

Runs on 6 to 12 volts.

•

Drives any speaker.

•

Two volume levels, 250 mW and
5 Watts.

•

Easy to build two transistor circuit
teaches too!

•

Kids love it!

Duplicates the upward and downward wail of a police siren. Great for
alarms, kids toys, bikes, go-karts, etc. Easily built by all ages!

Kit No. SM3

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Содержание SM3

Страница 1: ...es any speaker Two volume levels 250 mW and 5 Watts Easy to build two transistor circuit teaches too Kids love it Duplicates the upward and downward wail of a police siren Great for alarms kids toys b...

Страница 2: ...d plenty of uses for the SM3 Kids love to play fire truck or ambulance on their bikes and wagons Mom will appreciate the low volume setting here and there are the obvious uses for alarms and alerting...

Страница 3: ...our step by step directions and you ll be wailing real soon When we say to install a part we mean Carefully select the right part and insert it in the PC board Gently press it fully down to the board...

Страница 4: ...the hole 3 Install R2 47K yellow violet orange 4 Install C1 01 or 02 uF The holes for C2 are spaced far apart you ll see why later so just stretch C1 s leads to fit 5 Install R1 47K yellow violet oran...

Страница 5: ...volt battery will suffice for now Pushbutton switch A doorbell button works well but simply touching two wires together will do 1 Connect up the speaker to points 1 and 2 2 Connect your pushbutton or...

Страница 6: ...1 5K brown green red as shown YELPING SIREN To make your siren sound like the yelping type and get a tired pushbutton finger too change C2 from 47 uF to a smaller value such as 5 or 10 uF Experiment...

Страница 7: ...OUCHES Your siren can be easily mounted in most any handy box or enclosure A coffee or juice can makes a dandy enclosure for speaker battery siren and pushbutton Use your imagination and see how much...

Страница 8: ...SM3 8...

Страница 9: ...part you need and proof of kit purchase 3 FACTORY REPAIR OF ASSEMBLED KITS To qualify for Ramsey Electronics factory repair kits MUST 1 NOT be assembled with acid core solder or flux 2 NOT be modifie...

Страница 10: ...s CW7 CW Keyer CPO3 Code Practice Oscillator QRP Power Amplifiers RAMSEY MINI KITS Many other kits are available for hobby school Scouts and just plain FUN New kits are always under development Write...

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