Digital video transmission Interface between 1319 receiver LG1600 cloc

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Digital video transmission Interface between 1319 receiver LG1600 cloc

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LG1605DXB Limiting Amplifier
Digital video transmission Interface between 1319 receiver LG1600 clock data regenerator High-speed comparator
gain, differential Large dynamic range: Wideband response: Extremely delay skew across input range Complementary I/Os Surface-mount package Standard supply (400
Functional Description
LG1605DXB GaAs wideband limiting amplifier with differential inputs outputs that provides gain differential) bandwidth environment (Figure shows block diagram). input levels, below circuit behaves linear amplifier. higher levels, device goes smoothly into limiting. device matches performance amplifier shows none bouncing attack characteristics.
Applications
Data/clock main amplifier SONET/SDH OC-48/ STM-16 transmission systems, DWDM systems
V-REF V-IN V+IN V+REF CHIP BOUNDARY
V-OUT V+OUT
12-3214(F).r3
Figure LG1605DXB Block Diagram
LG1605DXB Limiting Amplifier
ability absorb reflections returning from receiving essential preventing intersymbol interference fiber-optic systems. amplifier natural step-up interface between receivers, such Lucent Technologies Microeletronics Group Optoelectronics unit 1319 regenerators like Lucent Technologies Microelectronics Group LG1600. referred wideband input noise (168 µVrms typical) allows <1e-9 error rate (BER) inputs down mVp-p (S/N ratio 21.5 dB). based clock recovery systems, with clock frequencies high GHz, device provide clock-limiting function systems. LG1605DXB available hermetically sealed, 16-lead, glass-metal surface-mount package uses standard supply.
Functional Description (continued)
amplifier virtually constant output delay input signal levels, varying across three decades. result, device very amplitude-to-phase conversion, which makes ultimately suitable applications highly sensitive fiber-optic systems. Although amplifier most sensitive when input coupled (see Figure offset (<25 large common-mode input range make useful applications that require high-speed comparator well. unique input coupling arrangement allows frequency response down into range while using coupling capacitors that small enough maintain good input return loss high frequencies. outputs, when coupled, provide good termination very high frequencies. associated
Information
pinout LG1605DXB shown Figure
V+OUT V-OUT
V+REF V+IN V-IN V-REF
12-3223(F)
Figure Diagram Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Information (continued)
descriptions LG1605DXB given Table Table Descriptions Symbol V+OUT V-OUT V-REF Name/Description Positive Data Output. Negative Data Output. Supply Voltage. Bias Reference Voltage. Connect nominal -1.5 stable voltage reference, bypassed with capacitor 0.047 Data Negative Reference. Internally bypassed with Broadband operation requires up-close external bypassing with capacitor 0.047 matching input coupling capacitor. Negative Data Input. Requires ac-coupling capacitor source termination. Positive Data Input. Data Positive Reference. above. Bias Force Voltage. Obsolete function, connect. Bias Sense Voltage. Internal test point, tracking VBR. Normally connected. Ground. optimum performance, package back should contact board ground plane. (See Mounting Connections section.)
Package Back
V-IN V+IN V+REF
Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Absolute Maximum Ratings
Stresses excess absolute maximum ratings cause permanent latent damage device. These absolute stress ratings only. Functional operation device implied these other conditions excess those given operational sections data sheet. Exposure absolute maximum ratings extended periods adversely affect device reliability. Table Absolute Maximum Ratings Parameter Supply Voltage Range (VSS) Power Dissipation Voltage (all pins) V+REF V+IN V-REF V-IN Storage Temperature Range Operating Case Temperature Range Unit
Recommended Operating Conditions
Table Recommended Operating Conditions Parameter Case Temperature Power Supply Symbol tCASE -5.7 -4.7 Unit
Handling Precautions
Although protection circuitry been designed into this device, proper precautions should taken avoid exposure electrostatic discharge (ESD) during handling mounting. Lucent employs human-body model (HBM) charged-device model (CDM) ESD-susceptibility testing protection design evaluation. industrywide standard been adopted CDM. However, standard (resistance 1500 capacitance widely used and, therefore, used comparison purposes. threshold presented here obtained using these circuit parameters. Table Threshold Threshold Device LG1605DXB Voltage
Mounting Connections
Certain precautions must taken when using solder. installation using constant temperature solder, temperatures under employed periods time maximum. installation with soldering iron (battery operated nonswitching only), soldering temperature should greater than soldering time each lead must exceed This device supplied with solder back package. high gain device, recommended solder back package ground. Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Mounting Connections (continued)
Lucent Technologies/FORCE assembly procedure recommendations LG1605DXB follows:
Board solder pattern 1605DXB package base should exceed package base area. Back lighting used during pick place operation silhouette package order eliminate reflection problems with solder bottom. lead spacing tolerance ±0.012 Insertion pressure should exceed
Electrical Characteristics
tCASE -1.5 -4.7 -5.7 rate 2.488 Mbits/s NRZ, data pattern PRBS, unless otherwise indicated. Note: Minimum maximum values testing requirements. Typical values characteristics device result engineering evaluations. Typical values information purposes only part testing requirements. Parameter Data Input Voltage2 Data Input Voltage2 Input Offset Voltage Common-mode Input Voltage Range Output Voltage Output Pulse Width Relative Period Small-signal Output Transition Time Small-signal Gain Small-signal Bandwidth Low-frequency Cut-off2 Supply Current Noise Figure2 Input Referred Wideband Noise Thermal Resistance Symbol V±IN V+IN V-IN V+REF V-REF VCMIN V±OUT f3dB Conditions1 Single-ended source Differential source °C/-5.2 °C/-5.7 -5.2 input coupling Measured V+OUT, 80%, mVp-p mVp-p mVp-p mVp-p, input coupling bypassing Figure single-ended input single-ended input, kHz-18 Junction case 1600 Unit mVp-p mVp-p mVp-p µVrms °C/W
temperatures case temperature, tCASE. Parameter guaranteed design characterization production tested.
Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Test Circuit
RINT (SEE NOTE TF1003C FIXTURE BOUNDARY 0.047 0.047 0.047 V-REF V-IN V+IN 0.047 0.047 LOAD (SEE NOTE CHIP BOUNDARY V-OUT V+OUT 0.047 0.047
LG1605DXB
V+REF
SOURCE
12-3215(F)r.6
Depending desired supply rejection, biased with simple resistive divider, resistor/zener diode network. Alternatively, when LG1605DXB followed LG1600 clock data regenerator, resistive divider with bypassing capacitor connected (VREF) LG1600 (VREF -3.2 This arrangement provides excellent temperature stability power supply rejection. outputs either coupled, indicated, terminated into first case, good output return loss (see Figure obtained. latter configuration provides -600 output swing (when limiting) easy interface dc-coupled circuits. input coupling capacitors needed when interfacing with LG1600 1319 receiver.
Figure LG1605DXB Test Circuit (with TF1003C Test Fixture)
0.047 (SEE NOTE
0.047 (SEE NOTE
13.6 (PIN LG1600) -1.5 Using LG1600 Reference Voltage
VREF -3.2
-5.2
-1.5 Using Supply Voltage
12-3216(F)r.3
Depending desired supply rejection, biased with simple resistive divider, resistor/zener diode network. Alternatively, when LG1605DXB followed LG1600 clock data regenerator, resistive divider with bypassing capacitor connected (VREF) LG1600 (VREF -3.2 This arrangement provides excellent temperature stability power supply rejection.
Figure Bias Options Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Typical Performance Characteristics
ISOLATION (dB) INPUT RETURN LOSS (dB)
FREQUENCY (GHz)
12-3219(F)
FREQUENCY (GHz)
12-3217(F)
Figure Isolation
OUTPUT RETURN LOSS (dB)
Figure Input Return Loss
GAIN (dB)
FREQUENCY (GHz)
12-3220(F)
FREQUENCY (GHz)
12-3218(F)
Figure Output Return Loss
Figure Gain
HORIZONTAL: ps/div, VERTICAL: mV/div; 2.23 mVp-p, VOUT 58.8 mVp-p, 4.45 mVrms
Figure Output Noise Histogram Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Typical Performance Characteristics (continued)
mVp-p
VERTICAL: mV/div
mVp-p
VERTICAL: mV/div
mVp-p
VERTICAL: mV/div
mVp-p
VERTICAL: mV/div
mVp-p HORIZONTAL: ps/div
VERTICAL: mV/div HORIZONTAL: ps/div
Input Voltage
Output Voltage
1000 OUTPUT VOLTAGE (mVp-p)
RELATIVE DELAY (ps) 1000
INPUT VOLTAGE (mVp-p)
12-3221(F)
1000 INPUT VOLTAGE (mVp-p)
12-3222(F)
Output Input
Input-to-Output Relative Delay Figure Limiting Characteristics
Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Outline Diagram
16-Pin, Glass-Metal, Surface-Mount Package
Dimensions inches.
0.230
0.030
0.012
0.366 0.007
0.005
DETAIL
R0.013 0.050 0-4°
0.000-0.004 DETAIL
0.020
12-3224(F).b
Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Ordering Information
Device Code LG1605DXB-TR16 LG1605DXB-FLP TF1003C Package Package tape reel Package flat pack container Test fixture Temperature Comcode (Ordering Number) 107142614 107412025 106990138
Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Appendix
test fixture mentioned data sheet sold separately described detail below.
5-7208(F).r1
Note: test fixture indicates position
Figure TF1003C Test Fixture
FIXTURE BOUNDARY V+IN 0.047 0.047 0.047 V-IN 0.047 PACKAGE OUTLINE
0.047
V+OUT
V-OUT
5-7209(F)
Figure TF1003C Electrical Diagram Lucent Technologies Inc.
LG1605DXB Limiting Amplifier
Appendix (continued)
(11) V+IN (10) V-IN
(13) (14)
V+OUT
V-OUT
5-7210(F)
Figure TF1003C Connector Assignment (Pressure ring shown.)
additional information, contact your Microelectronics Group Account Manager following: http://www.lucent.com/micro INTERNET: docmaster@micro.lucent.com E-MAIL: AMERICA: Microelectronics Group, Lucent Technologies Inc., Union Boulevard, Room 30L-15P-BA, Allentown, 18103 1-800-372-2447, 610-712-4106 CANADA: 1-800-553-2448, 610-712-4106) ASIA PACIFIC: Microelectronics Group, Lucent Technologies Singapore Pte. Ltd., Science Park Drive, #03-18 Cintech III, Singapore 118256 Tel. (65) 8833, (65) 7495 CHINA: Microelectronics Group, Lucent Technologies (China) Co., Ltd., A-F2, 23/F, Fong Universe Building, 1800 Zhong Shan Road, Shanghai 200233 China Tel. (86) 6440 0468, ext. 316, (86) 6440 0652 JAPAN: Microelectronics Group, Lucent Technologies Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 5421 1600, (81) 5421 1700 EUROPE: Data Requests: MICROELECTRONICS GROUP DATALINE: Tel. (44) 1189 299, (44) 1189 Technical Inquiries:GERMANY: (49) 95086 (Munich), UNITED KINGDOM: (44) 1344 (Ascot), FRANCE: (33) (Paris), SWEDEN: (46) (Stockholm), FINLAND: (358) 4354 2800 (Helsinki), ITALY: (39) 6608131 (Milan), SPAIN: (34) 1441 (Madrid)
Lucent Technologies Inc. reserves right make changes product(s) information contained herein without notice. liability assumed result their application. rights under patent accompany sale such product(s) information. FASTCAT trademark Lucent Technologies Inc.
Copyright 1999 Lucent Technologies Inc. Rights Reserved
February 1999 DS98-400HSPL (Replaces DS96-236FCE)

Digital video transmission Interface between 1319 receiver LG1600 cloc

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