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參數(shù)資料
| 型號： | JPF-21F-2500B |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 151K |
| 代理商： | JPF-21F-2500B |
NOTES:
.010(.25) except as noted.
2. Dimensions in inches over millimeters.
F-Size Flatpack
JPF-21F Series
Units to 3 GHz / High Data Bandwidth / Differential ECL/TTL Compatible Drive / Hi-Rel Package
QUADRAPHASE MODULATORS
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
JPF-21F-***B
Max.
±
5
°
Max.
±
5
°
For complete Model Number replace *** with desired Center Frequency, f
o
in MHz.
Modulation Sequence
Data Ports 1, 2
0, 0
1, 0
1, 1
0, 1
ref. 0°
-- 270°
-- 180°
-- 90°
GENERAL SPECIFICATIONS
Impedance:
VSWR:
RF Input Level:
Data Bandwidth:
Data Signal Levels: Logic 1:+15 mA nom.
Logic 0:-- 15 mA nom.
Weight, nominal:
Operating Temperature:
50
nom.
1.5:1 max.
0 dBm nom
>100 MHz nom.
0.35 oz (10 g)
-- 55° to +85°C
General Notes:
1. Units in the JPF-21F 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. Units in the JPF-21F series are available from stock with a 1500 and 2500
MHz center frequency and from 1500 to 3000 MHz for special orders.
4. 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.
14Feb96
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