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參數(shù)資料
| 型號(hào)： | GB3215 |
| 英文描述： | PARAGON? Digital SO3 PAL Configuration |
| 中文描述： | 榮光？三氧化硫PAL制式的數(shù)字配置 |
| 文件頁(yè)數(shù)： | 4/4頁(yè) |
| 文件大?。?/td> | 413K |
| 代理商： | GB3215 |
11409 - 1
4
GENNUM CORPORATION
MAILING ADDRESS:
P.O. Box 489, Stn A, Burlington Ontario, Canada L7R 3Y3
Tel. +1 (905) 632-2996 fax: +1 (905) 632-2814
SHIPPING ADDRESS:
970 Fraser Drive, Burlington, Ontario, Canada L7L 5P5
GENNUM JAPAN CORPORATION
C-101, Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168-0081, Japan
Tel. +81 (3) 3334-7700 Fax: +81 (3) 3247-8839
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement.
Copyright October 1998 Gennum Corporation. All rights reserved. Printed in Canada.
G
Fig. 1 Characterization Circuit
TABLE 2: Resolution of the Parameters
The resolution of the parameters listed in this table is determined by bit quantization: D = 20log(n)-20log(n-1); where n = decimal representation of binary world
PARAMETER
PARAMETER WORD
LENGTH
RESOLUTION FOR LOWEST
GAIN / LEVEL
RESOLUTION FOR HIGHEST
GAIN/LEVEL
Low Level Gain
20bits
0.01682dB
0.00002 dB
High Level Gain
20bits
0.01682 dB
0.00002 dB
Lower Threshold
20bits
1.58362 dB
0.00002 dB
Upper Threshold
20bits
1.58362 dB
0.00002 dB
Wideband System Gain
11bits
6.02060 dB
0.03426 dB
Internal VC Attenuator
9bits
3.52183 dB
0.01701 dB
External VC
9bits
3.52183 dB
0.01701 dB
AGCo Output Limiting
20bits
0.00166 dB
0.00002 dB
PC Output Limiting
20bits
0.00166 dB
0.00002 dB
Squelch Threshold
20bits
1.58362 dB
0.05280 dB
Pure Tone Amplitude
16bits
6.02060 dB
0.00027 dB
Compression Ratio
7bits
N/A
N/A
Attack and Release Time
constants
5bits
N/A
N/A
NOTE: Parameter Word Length includes the sign bit, where applicable.
LP FILTER
OUT
3k9
3k9
A/D
70nF
70nF
LC FILTER
TWIN
DETECTOR
BAND
SPLIT
FILTER
GB3210-S01
NOTCH
FILTER
CHANNEL
PROCESSING
TWIN DETECTORS
CHANNEL
PROCESSING
TWIN DETECTORS
CHANNEL
PROCESSING
TWIN DETECTORS
CHANNEL
PROCESSING
TWIN DETECTORS
FRONTWAVE
HC FILTER
FRONTWAVE
A/D
GB3210
Σ
14
1
9
6
D/A
TONE
GENERATOR
SQUELCH
PEAK
CLIPPING
AGC-O
REVISION NOTES:
Update to Block Diagram and document information.
For latest product information, visit www.gennum.com
DOCUMENT IDENTIFICATION
PRELIMINARY DATA SHEET
The product is in a preproduction phase and specifications
are subject to change without notice.
CAUTION
ELECTROSTATIC
SENSITIVE DEVICES
DO NOT OPEN PACKAGES OR HANDLE
EXCEPT AT A STATIC-FREE WORKSTATION
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