AN9842
Abstract: SCR 40A 24V TVS Diode cross GR-1089 SGT27S10 FUSE T 160mA ptc application note
Text: Implementing Tip and Ring Protection Circuitry For the HC5518X Ringing SLIC Family Application Note September 1999 AN9842.1 Authors: Richard Whitehead, Dick Tung Introduction The secondary protection must protect the T and R ports from the “let through” voltages and currents. Although
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HC5518X
AN9842
SGT27S10.
SCR 40A 24V
TVS Diode cross
GR-1089
SGT27S10
FUSE T 160mA
ptc application note
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PTC 150M
Abstract: AN2266 LCP02-150B1 LCP02-150M LCP1521S LCP152DEE firing circuit for thyristor based three phase co ITU-T-K20 induction generator k20a
Text: AN2266 APPLICATION NOTE SLIC based system protection for European and Asian markets Introduction Even with the boom of the digital technologies and the wireless systems, telecom analog lines remain the most used link to carry speech around the world. Following telecom deregulation the market, traditionally
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AN2266
PTC 150M
AN2266
LCP02-150B1
LCP02-150M
LCP1521S
LCP152DEE
firing circuit for thyristor based three phase co
ITU-T-K20
induction generator
k20a
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AN9842
Abstract: TVS Diode 3A TVS DIODE 6K SGT27S10 SCR 40A 24V water level alarm circuit conclusion ptc application note GR-1089 SCR 40A 600V TR600-150
Text: Implementing Tip and Ring Protection Circuitry For the HC5518X Ringing SLIC Family TM Application Note September 1999 AN9842.1 Authors: Richard Whitehead, Dick Tung Introduction The secondary protection must protect the T and R ports from the “let through” voltages and currents. Although
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HC5518X
AN9842
SGT27S10.
TVS Diode 3A
TVS DIODE 6K
SGT27S10
SCR 40A 24V
water level alarm circuit conclusion
ptc application note
GR-1089
SCR 40A 600V
TR600-150
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PTC 150M
Abstract: ptc application note ITU-T-K20 LCP15XX
Text: AN2053 APPLICATION NOTE SLIC protection for both classical and new networks 1. Introduction Even with the booming of the digital technologies, telecom analog lines remain the most used link in the world. The market opening to new operators, reserved so far to national telecom ad-ministration, makes
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AN2053
PTC 150M
ptc application note
ITU-T-K20
LCP15XX
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ROYALOHM
Abstract: TRANZORB tranzorb diode varistor 222, 2KV DIODE 1N4004 equivalent Overvoltage protection Tranzorb DIODE 1N4004 ag2130 ag2120 PTC Thermistor 33r
Text: AN-OVP Overvoltage Protection For Silvertel SLICs and Trunks Jul 2009 Rev 2.10 Silvertel Engineering Advantage Regulatory Specifications • FCC Part 68 now TIA-968-A USA Must have this approval for connection to USA PSTN. Specifies hi-pot and lightning tests. Type B surge must be met without damage. Type A surge
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TIA-968-A)
GR1089-CORE
Ag2120/Ag2130
26AWG
Ag2120
Ag2130.
ROYALOHM
TRANZORB
tranzorb diode
varistor 222, 2KV
DIODE 1N4004 equivalent
Overvoltage protection Tranzorb
DIODE 1N4004
ag2130
PTC Thermistor 33r
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ring generator with power supply
Abstract: ring generator lcp1512 SLIC SLIC TIP RING PTC surge AN584 overvoltage protection ptc application note LCP1511 SMTHBT200
Text: AN584 APPLICATION NOTE PROTECTION SCHEMATICS FOR SWITCHING SYSTEMS INTRODUCTION The aim of this note is to summarize the major characteristics of a SLIC and to propose protection solutions for each configuration. SLIC FUNCTION Slic generalities The Slic function is defined by the acronym BORCHT:
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AN584
ring generator with power supply
ring generator
lcp1512
SLIC
SLIC TIP RING PTC surge
AN584
overvoltage protection
ptc application note
LCP1511
SMTHBT200
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1n40007
Abstract: 5V 1A SPDT RELAY RB1 RELAY "Toggle Switch" spdt on/off SLIC TIP RING PTC surge
Text: Operation of the HC5502BEVAL Evaluation Board TM Application Note February 1999 AN9753.1 Features A common ground must exist between the HC5502B evaluation board and the off board logic. A differential ground voltage may result in erroneous logic states at the SLIC inputs.
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HC5502BEVAL
AN9753
HC5502B
1n40007
5V 1A SPDT RELAY
RB1 RELAY
"Toggle Switch" spdt on/off
SLIC TIP RING PTC surge
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1N40007
Abstract: AN9736 PTC C811 CA741C HC5503
Text: Operation of the HC5503EVAL Evaluation Board Semiconductor Application Note July 1997 AN9736.1 Features HC5503 Board SLIC Controls • Includes the Ringing Relay The design of the HC5503 board incorporates three SPDT center off switches. The three SPDT switches RS, RC, PD
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HC5503EVAL
AN9736
HC5503
HC5503/24
HC5503
1N40007
PTC C811
CA741C
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1N40007
Abstract: AN549 SLIC and TIP and RING VB-48
Text: Operation of the HC5502BEVAL Evaluation Board Semiconductor Application Note February 1999 AN9753.1 Features Mode Control Switches • Includes the Ringing Relay Toggling RS, RC or PD towards the top of the board Harris logo to bottom left results in a logic “1” state on the pin; and
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HC5502BEVAL
AN9753
HC5502B
VB-48V
90VRMS
HC5502B
1N40007
AN549
SLIC and TIP and RING
VB-48
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1N40007
Abstract: SPDT relay 48v rb43 "Toggle Switch" spdt on/off AN549
Text: Operation of the HC5502BEVAL Evaluation Board TM Application Note February 1999 Features AN9753.1 A common ground must exist between the HC5502B evaluation board and the off board logic. A differential ground voltage may result in erroneous logic states at the SLIC inputs.
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HC5502BEVAL
AN9753
HC5502B
VB-48V
90VRMS
HC5502B
1N40007
SPDT relay 48v
rb43
"Toggle Switch" spdt on/off
AN549
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1N40007
Abstract: PTC C811 "Toggle Switch" "Toggle Switch" spdt on/off AC voltmeter diagram AN9736 bta-16-600bE DOWNLOAD DATA ABOUT RELAY SWITCH K1 DS2E-M SLIC TIP RING PTC surge
Text: Harris Semiconductor No. AN9736.1 Harris Telecom July 1997 Operation of the HC5503EVAL Evaluation Board Author: Don LaFontaine Features HC5503 Board SLIC Controls • Includes the Ringing Relay The design of the HC5503 board incorporates three SPDT center off switches. The three SPDT switches RS, RC, PD
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AN9736
HC5503EVAL
HC5503
1-800-4-HARRIS
1N40007
PTC C811
"Toggle Switch"
"Toggle Switch" spdt on/off
AC voltmeter diagram
bta-16-600bE
DOWNLOAD DATA ABOUT RELAY SWITCH
K1 DS2E-M
SLIC TIP RING PTC surge
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1N40007
Abstract: AN9736 CA741C HC5503 SLIC and TIP and RING AC digital voltmeter and ammeter ptc 883 SPDT TOGGLE SWITCH PTC C811
Text: Operation of the HC5503EVAL Evaluation Board Application Note July 1997 AN9736.1 Features HC5503 Board SLIC Controls • Includes the Ringing Relay The design of the HC5503 board incorporates three SPDT center off switches. The three SPDT switches RS, RC, PD
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HC5503EVAL
AN9736
HC5503
1N40007
CA741C
SLIC and TIP and RING
AC digital voltmeter and ammeter
ptc 883
SPDT TOGGLE SWITCH
PTC C811
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1n40007
Abstract: "Toggle Switch" spdt on/off AC voltmeter diagram AN9736 CA741C HC5503 RB1 RELAY PTC C811
Text: Operation of the HC5503EVAL Evaluation Board TM Application Note July 1997 AN9736.1 Features HC5503 Board SLIC Controls • Includes the Ringing Relay The design of the HC5503 board incorporates three SPDT center off switches. The three SPDT switches RS, RC, PD
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HC5503EVAL
AN9736
HC5503
1n40007
"Toggle Switch" spdt on/off
AC voltmeter diagram
CA741C
RB1 RELAY
PTC C811
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1n40007
Abstract: No abstract text available
Text: Operation of the HC5504BEVAL and HC5504B1EVAL Evaluation Board Application Note Features • Includes the Ringing Relay [ • Toggle Switch Programming for Logic States • Monitoring of Switch Hook Detect SHD and Ground Key (GKD) via On Board LED’s • Logic Terminal Port for Easy Evaluation in Existing
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HC5504BEVAL
HC5504B1EVAL
AN9751
HC5504B/B1
HC550
1n40007
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circuit diagram of surge protector for AC mains
Abstract: ptc overvoltage protections ptc overvoltage protections application note THDT58D THBT200D pabx ring generator sinus generator carbon variable resistor crowbar ptc relay
Text: APPLICATION NOTE SLIC PROTECTION A. BREMOND I INTRODUCTION The goal of the telecommunication network fig.1 is to permit the data exchange (speech or digital) between two (or more) subscribers. The network is made up of different parts which are subject to various disturbances.
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1n40007
Abstract: 5V 1A SPDT RELAY ptc relay DS2E-M-DC5V
Text: Harris Semiconductor No. AN9753 Harris Telecom October 1997 Operation of the HC5502BEVAL and HC5502B1EVAL Evaluation Board Author: Don LaFontaine Features switches can be set to center open position and driven by logic at the logic terminal port. The logic terminal port is
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AN9753
HC5502BEVAL
HC5502B1EVAL
1-800-4-HARRIS
1n40007
5V 1A SPDT RELAY
ptc relay
DS2E-M-DC5V
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1n40007
Abstract: ptc relay
Text: Operation of the HC5502BEVAL Evaluation Board Application Note AN9753.1 Features Mode Control Switches • Includes the Ringing Relay Toggling RS, RC or PD towards the top of the board Intersil logo to bottom left results in a logic “1” state on the pin; and
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HC5502BEVAL
AN9753
HC5502B
HC550
1n40007
ptc relay
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1n40007
Abstract: ptc relay
Text: Harris Semiconductor No. AN9751 Harris Telecom September 1997 Operation of the HC5504BEVAL and HC5504B1EVAL Evaluation Board Authors: Don LaFontaine Features mode control of the SLIC is desired, the three SPDT switches can be set to center open position and driven by
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AN9751
HC5504BEVAL
HC5504B1EVAL
1-800-4-HARRIS
1n40007
ptc relay
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1n40007
Abstract: AN549 HC5504B AN9751
Text: Operation of the HC5504BEVAL and HC5504B1EVAL Evaluation Board Application Note Features • Includes the Ringing Relay • Toggle Switch Programming for Logic States • Monitoring of Switch Hook Detect SHD and Ground Key (GKD) via On Board LED’s • Logic Terminal Port for Easy Evaluation in Existing
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HC5504BEVAL
HC5504B1EVAL
HC5504B/B1
1n40007
AN549
HC5504B
AN9751
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P1200S
Abstract: L8575
Text: DO-214AA P1200S, P2000S LCAS Protection Solid State Overvoltage Protection Features • Designed specifically for Lucent Microelectronics LCAS L7581/2/3 solid state switches • Bellcore 1089 and ITU K.17 - K.21 compliant • Surge ratings up to 500A, 2x10µs
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DO-214AA
P1200S,
P2000S
L7581/2/3
P1200S
P2000S,
L8575
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Relay cf 318
Abstract: L3037 L3037FN L3037QN PLCC44 PQFP44 tip 420 transistor BY522
Text: L3037 SUBSCRIBER LINE INTERFACE CIRCUIT PRELIMINARY DATA MONOCHIP SILICON SLIC SUITABLE FOR PUBLIC/PRIVATE APPLICATIONS IMPLEMENTS ALL KEY FEATURES OF THE BORSCHT FUNCTION SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME 3 to 100ms METERING PULSE INJECTION AND FILTERING WITH MINIMAL COMPONENTS COUNT
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L3037
100ms)
L3037
L3037T
Relay cf 318
L3037FN
L3037QN
PLCC44
PQFP44
tip 420 transistor
BY522
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28V DC supply ring generator
Abstract: RSG d3 SGT06U13 AC voltmeter diagram power Toggle switch 12v illuminated spst SPST toggle switch Surgector HC5513 HC5526 5V 3A SPDT RELAY
Text: Harris Semiconductor No. AN9537.2 Harris Telecom January 1997 Operation of the HC5513, HC5526 Evaluation Board HC5513Eval, HC5526Eval Authors: Don LaFontaine and Ed Berrios Features Ground Connections • Includes the Ringing Relay The HC5513/26EVAL has two separate grounds designated
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AN9537
HC5513,
HC5526
HC5513Eval,
HC5526Eval)
HC5513/26EVAL
100mV.
1-800-4-HARRIS
28V DC supply ring generator
RSG d3
SGT06U13
AC voltmeter diagram
power Toggle switch 12v illuminated spst
SPST toggle switch
Surgector
HC5513
5V 3A SPDT RELAY
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Abstract: fsp 250 gt IMAGE OF BD140 IC TIP BD140 SOT82 BY522 tip 420 transistor
Text: L3037 SUBSCRIBER LINE INTERFACE CIRCUIT PRELIMINARY DATA MONOCHIP SILICON SLIC SUITABLE FOR PUBLIC/PRIVATE APPLICATIONS IMPLEMENTS ALL KEY FEATURES OF THE BORSCHT FUNCTION SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME 3 to 100ms METERING PULSE INJECTION AND FILTERING WITH MINIMAL COMPONENTS COUNT
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L3037
100ms)
L3037
L3037T
Relay cf 318
fsp 250 gt
IMAGE OF BD140
IC TIP BD140
SOT82
BY522
tip 420 transistor
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microcontroller ST7
Abstract: RS-486 RS486 board 24v 5a smps STLC3060 pabx ring generator ptc 75a l4970a application CR injector driver L4970
Text: MODEM STMicroelectronics SOLUTIONS Modem Architecture Diagram MEMORY RS232 ISA / EISA DATA INTERFACE MCU DSP AFE LINE INTERFACE PCMCIA POWER SUPPLY LINE RECOMMENDED DEVICES MAIN FEATURES Monochip TS7514 Low Cost Monochip V.23 Modem Data Pump ST75C54 V32 bis/V17 High speed Fax/ Modem Data pump
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RS232
TS7514
ST75C54
bis/V17
ST75C520
ST75C530
ST75C540
STLC7545
STLC7550
STLC7546
microcontroller ST7
RS-486
RS486 board
24v 5a smps
STLC3060
pabx ring generator
ptc 75a
l4970a application
CR injector driver
L4970
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