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參數資料
| 型號： | JPP-21S-1200B |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 162K |
| 代理商： | JPP-21S-1200B |
NOTES:
.010(.25) except as noted.
2. Dimensions in inches over millimeters.
Outline of S-Size Meri-Pac
JPP-21S Series
Units to 3 GHz / High Data Bandwidth / Differential ECL/TTL Compatible Drive / Hi-Rel Package
QUADRAPHASE MODULATOR
For further iformatin contact
MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 201-575-1300 / FAX 201-575-0531
PRINCIPAL SPECIFICATIONS
Center
Frequency,
f
o,
MHz
1200 - 2500
RF
Input
Bandwidth
10% of f
o
Amplitude
Balance at,
dB, Max.
1.0
Phase Balance
at Center, f
o
Typ.
±
2
°
Phase Balance
at 10% Band Limits
Typ.
±
2
°
Insertion
Loss,
dB, Max.
10
Model
Number
JPP-21S-***B
Max.
±
5
°
Max.
±
5
°
For complete Model Number replace *** with desired Center Frequency, f
o
in MHz.
GENERAL SPECIFICATIONS
Impedance:
50
nom.
VSWR:
1.5:1 max.
RF Input Level:
0 dBm nom.
Data Bandwidth:
>100 MHz nom.
Data Signal Levels:Logic 1:+15 mA nom.
Logic 0:-- 15 mA nom.
Weight, nominal:
0.32 oz (9 g)
Operating Temperature:
-- 55° to +85°C
Modulation Sequence
Data Ports 1, 2
0, 0
1, 0
1, 1
0, 1
ref. 0°
-- 270°
-- 180°
-- 90°
General Notes:
1. Units in the JPP-21S series of Quadraphase Modulators are
composed of two biphase modulators, a 90° quadrature hybrid
and an in-phase power combiner.
2. These devices are generally used in systems to generate
QPSK coded signals. The units accept two differential data
inputs each of which independently biphase modulates an RF
carrier. These are then combined to produce a quadraphase
output of 0, 90, 180 and 270 degrees. Differential drive allows
easy interface with ECL/TTL drivers.
3. Merrimac Quadraphase Modulators comply with the relevant
sections of MIL-M-28837 and may be supplied screened for
compliance with additional specifications for military and space
applications requiring the highest reliability.
22Feb96
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