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PDF U3770M Data sheet ( Hoja de datos )
| Número de pieza | U3770M | |
| Descripción | CT2 I/Q Modulator and Clock Circuitry | |
| Fabricantes | TEMIC Semiconductors | |
| Logotipo |  |
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CT2 I/Q Modulator and Clock Circuitry
U3770M
Description
U3770M is a quadrature modulator realized with
MATRA MHS’ advanced 0.8 micron CMOS process.
The IC is especially designed for CT2 application
in conjunction with TEMIC’s RF/IF signal processor
U2760B and a CT2 baseband controller
(i.e., AMD PhoXTM controller Am79C4xx). Together
with TEMIC’s PLL IC U2783B and the GaAs front end
U7001BG, a complete CT2 chip set is available.
Electrostatic sensitive device.
Observe precautions for handling.
Features
D Programmable 0.8/1.6 MHz quadrature modulated
carrier generation
D More than 26 dB LO and sideband suppression
D 18.432 MHz CMOS level clock generation
D Supply voltage range 2.7 to 3.3 V
D Low power consumption, typical 12 mW
D SO16 package or die form
Block Diagram
RRef in 12.8 MHz
2
VDD
DGND
AGND
PROG
TST
Qin
QBin
Iin
IBin
3
4
13
12
10
6
5
8
7
1, 15, 16
DNC
Amp.
DIV / 25
Phase
512 kHz comparator
LF
11
VCO
95 9881
14 CLK out
512 kHz DIV / 36 18.432 MHz
DIV / 2
or
DIV / 4
6.4 MHz
Dual DFF
3.2 MHz
9 MOD out
Figure 1. Block diagram
MATRA MHS
Rev. A2, 03-Dec-97
1 (5)
1 page  
Package Information
Package: SO16
U3770M
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer
application by the customer. Should the buyer use TEMIC products for any unintended or unauthorized
application, the buyer shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of,
directly or indirectly, any claim of personal damage, injury or death associated with such unintended or
unauthorized use.
TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423
MATRA MHS
Rev. A2, 03-Dec-97
5 (5)
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet U3770M.PDF ] | |
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