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106 lines
5.0 KiB
Plaintext
106 lines
5.0 KiB
Plaintext
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==Phrack Inc.==
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Volume Three, Issue 28, File #5 of 12
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/////////////////////\\\\\\\\\\\\\\\\\\\\\
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|| ||
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|| A Real Functioning PEARL BOX Schematic ||
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|| Written, Tested, and Used ||
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|| by Dispater ||
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|| July 1, 1989 ||
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\\\\\\\\\\\\\\\\\\\\\/////////////////////
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Introduction: After reading the earlier renditions of schematics for the Pearl
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Box, I decided that there was an easier and cheaper way of doing
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the same thing with an IC and parts you probably have just
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laying around the house.
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What Is A Pearl Box and Why Do I Want One?
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A Pearl Box is a tone generating device that is used to make a wide range
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of single tones. Therefore, it would be very easy to modify this basic
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design to make a Blue Box by making 2 Pearl Boxes and joining them
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together in some fashion.
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A Pearl Box can be used to create any tone you wish that other boxes may
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not. It also has a tone sweep option that can be used for numerous things
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like detecting different types of phone tapping devices.
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Parts List:
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CD4049 RCA integrated circuit
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.1 uF disk capacitor
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1 uF 16V electrolitic capacitor
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1K resistor
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10M resistor
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1meg pot
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1N914 diode
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Some SPST momentary push-button switches
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1 SPDT toggle switch
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9 Volt battery & clip
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and miscellaneous stuff you should have laying around the house.
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State-of-the-Art-Text Schematic:
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+ 16V 1uF -
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_______________________________||_____
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| ! ! || | _
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| _______________________ |__________| |/| 8ohms
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____|__|_____:__|__:__|_ | __________| | |
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| 9 10 11 12 13 14 15 16 | | | |_|\|
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| CD4049UBE | | |
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|_1__2__3__4__5__6__7__8_| : | _
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| | |__| |__| | |____________________|_________[-]
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| | ! ! : [b]
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| |__________________________| [a]
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| : : | [t]
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| ! 1N914 ! ! [t]
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|___________|/|_____________________________________[+]
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: |\| : :
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| 10M | |
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|___/\/\/\__| |
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|_____||____| | <-- These 2 wires to the center pole
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|| | | of switch.
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.1uF 50V | |
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_______________________| |_____________________________
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| ___[Toggle Switch]____________ |
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| | | ___ |
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| | | o o |
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| | | /\/\/\___| |__|
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|_/\/\/\____/\/\/\ | | ^ |
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1K ^ | |____| ___ |
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|___| | o o |
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| /\/\/\___| |__|
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(pAakala Administrator: Gary W. Krumbine
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Gen Directorate Of Post & AT&T Information Systems
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Phone: 35806921730 Lincroft, NJ 07738
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Phone: +1 201 576 2658
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MHS Gateway: mhs!telemail MHS Gateway: mhs
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Administrator: Jim Kelsay Administrator: AT&T Mail MHS
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GTE Telenet Comm Corp Gateway
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Reston, VA 22096 AT&T
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Phone: +1 703 689 6034 Lincroft, NJ 08838
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Phone: +1 800 624 5672
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CMR
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~~~
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Previously known as Intermail, the Commercial Mail Relay (CMR) Service is a
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mail relay service between the Internet and three commercial electronic mail
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systems: US Sprint/Telenet, MCI-Mail, and DIALCOM systems (i.e. Compmail,
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NSFMAIL, and USDA-MAIL).
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An important note: The only requirement for using this mail gateway is that
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the work conducted
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