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TABLE OF CONTENTS

APPLICATION NOTES FOR THE ANADYNE, INC. L-17D©

LOGARITHMIC VIDEO AMPLIFIER

 
1. INTRODUCTION 3
2. GENERAL ARCHITECTURE 4
 
- Fig. 1(a) L-17D Block Diagram
- Fig. 1(b) L-17D Pinout Diagram
- Fig. 2(a) A1 Layout
- Fig. 2(b) A2 & A3 Layouts
- Fig. 2(c) Logging Section Layout
- Fig. 2(d) Output Section Layout
- Fig. 3 L-2010 Die Image, with Pad Labels
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5
6
7
8
9
10
3. NOTES FOR PRIOR L-17C USERS 11
  Major Differences between the L-17C and the L-17D
Pin-by-Pin Discussion, and Comparison to the L-17C
11
14
4. SAMPLE DATA 15
 
- Figs. 4(a), 4(b) Typical L-17D Pulse Wave Forms
- Fig. 5 L-17D Transfer Function Data
- Figs. 6(a-d) L-2010 Hybrid Pulse Wave Forms
- Fig. 7 L-2010 Hybrid Wide-Pulse Ladder
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16
17
18
5. PC17D-2 TEST BOARD 19
 
- Fig. 8(a) PC17D-2 Top
- Fig. 8(b) PC17D-2 Bottom
- Fig. 8(c) PC17D-2 Layout
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21
22
6. SETTING UP THE L-17D 23
 
- A1:                        (PINS 1,2,3,4,6,34,35)
- A2:                        (PINS 29,31,32,33)
- A3:                        (PINS 24,25,26,28)
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25
25
 
- LOGGING SECTION
26
 
(PINS 8,9,10,11,13,15)
 
 
- OUTPUT AMPLIFIER
26
 
(PINS 16,17,18,19,20,21)
 
 
- SPEEDING UP & SLOWING
27
 
DOWN THE L-17D
 
 
- TEMPERATURE COMPENSATION
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- Figs. 9(a-b) TEMP COMP DIAGRAMS
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- OVERCOMING PARALLEL SHIFT OF LOG CURVES
- BIPOLAR OPERATION
30
31
7. SOME COMPONENT VALUES FOR THE PC17D-2 32
 
- Fig. 10 Pulse Response
33
8. PACKAGING OF THE L-17D 34
 
- Fig. 11                 BONDING DIAGRAM
- Fig. 12                 L-17D HOUSING DRAWING
- Fig. 13                 PACKAGE LID DRAWING

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35
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9. RELIABILITY OF THE L-2010 AND THE L-17D 37
 
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February 20, 2008
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