Ramsey Electronics SS70A Скачать руководство пользователя страница 3 | Manualshive

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Ramsey Electronics SS70A Скачать руководство пользователя страница 3

SS70A

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3

SPEECH SCRAMBLER /
DESCRAMBLER KIT

Ramsey Publication No. SS70A

Price $5.00

TABLE OF CONTENTS

Introduction to the SS70A .............  4
Circuit Description .........................  5
Parts List .......................................  7
Schematic Diagram .......................  8
SS70A Assembly instructions .......  9
Testing the SS70A ....................... 12
Hook-up Configurations ............... 13
Troubleshooting ........................... 16
Parts Layout Diagram .................. 18
Ramsey Kit Warranty ................... 19

KIT ASSEMBLY

AND INSTRUCTION MANUAL FOR

RAMSEY ELECTRONICS, INC.

590 Fishers Station Drive

Victor, New York 14564

Phone (585) 924-4560

Fax (585) 924-4555

www.ramseykits.com

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Содержание SS70A

Страница 1: ...ar to SSB Decodes most cordless phones and basic 2 Way radio systems Loud amplified speaker output no need for an external amp Super clean low noise audio excellent audio quality Accepts mike line or...

Страница 2: ...nce Meter RAMSEY AMATEUR RADIO KITS DDF1 Doppler Direction Finder HR Series HF All Mode Receivers QRP Series HF CW Transmitters CW7 CW Keyer CPO3 Code Practice Oscillator QRP Power Amplifiers RAMSEY M...

Страница 3: ...5 Parts List 7 Schematic Diagram 8 SS70A Assembly instructions 9 Testing the SS70A 12 Hook up Configurations 13 Troubleshooting 16 Parts Layout Diagram 18 Ramsey Kit Warranty 19 KIT ASSEMBLY AND INST...

Страница 4: ...used in the SS70A is adequate to minimize casual eavesdropping or ambulance chasing Greater security is possible using precision audio filters and by inverting more than one audio range simultaneously...

Страница 5: ...ed audio The inverted audio is then amplified by either Q1 or Q2 depending on the path On the RX path J4 jumper position selects either speaker level audio from the LM 380 2 watt audio amplifier or li...

Страница 6: ...in physical relationship to each other so there s minimal chance of inserting wires into wrong holes Second whenever possible we install in an order that fits our Learn As You Build Kit building phil...

Страница 7: ...apacitors marked 100 or 101 C2 11 1 01 uF disc capacitor marked 01 or 103 or 10nF C14 3 1 uF disc capacitors marked 1 or 104 C3 13 16 5 10 uF electrolytic capacitors C1 5 9 12 18 1 100 to 220 uF elect...

Страница 8: ...SS70A 8...

Страница 9: ...te traces to the top side of the board and over obstacles other traces You will notice that jumpers are normally not found on the schematic but are necessary for proper circuit operation 11 Install C3...

Страница 10: ...f the chip is marked with a notch dot or band Check the parts diagram for correct placement Before soldering ensure all pins have made it through the board It s not much fun removing a chip because on...

Страница 11: ...rugged and can handle the heat that any pen type soldering iron can deliver 38 Install C1 10 uF electrolytic Be sure to orient the part correctly 39 Install C9 10 uF electrolytic observe polarity 40...

Страница 12: ...s connected to power input jack J5 center pin is positive Current requirements are typically 250 500mA which means a decent battery set C or D cells or good quality power supply may be used If you re...

Страница 13: ...two way operation where we wish to scramble our outgoing or transmitter audio The RX path through the SS70A is used for receiving and unscrambling the scrambled audio If you are simply using the SS70A...

Страница 14: ...and RX paths We ll scramble the audio through the TX path and send it on to the recorder s input to be recorded We ll use the SS70A s RX path to take the recorder s playback audio and unscramble Once...

Страница 15: ...udio through the SS70A RX path Due to the large number of types of keying circuits it is best to contact the transceiver manufacturer concerning proper installation of this scrambler in line with your...

Страница 16: ...pe can be used to trace the audio signals through the forward and reverse paths of the circuit Loop the audio through the SS 70A having it scramble and unscramble compare to see where a problem lies I...

Страница 17: ...pose our manual in the easiest most user friendly format that is possible As our customers we value your opinions comments and additions that you would like to see in future publications Please submit...

Страница 18: ...SS70A 18 SS70A PARTS LAYOUT DIAGRAM...

Страница 19: ...h be assured that the 1K ohm resistors are actually the missing 10 K parts Hum m m I guess the red band really does look orange Ramsey Electronics project kits are packed with pride in the USA If you...

Страница 20: ...H INVERSION KIT RAMSEY ELECTRONICS INC 590 Fishers Station Drive Victor New York 14564 Phone 585 924 4560 Fax 585 924 4555 www ramseykits com REQUIRED TOOLS Soldering Iron Ramsey WLC100 Thin Rosin Cor...

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