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[寻求合作]音频传输模块,做出口

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安防幼儿园学生

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发表于 2007-5-27 20:29:37 | 显示全部楼层 |阅读模式

( F( C2 l- N+ z: z 客户要求如下,如果哪家工厂可以做,请和我联系
. |2 ?6 t4 N( X3 E S > The application that we have in mind is similar to others that we commonly
! D8 _$ ?( b( l> have. If we were to pay for FCC approval, we would want to use the modem
* O% N9 f$ b$ J- y> units in all similar applications under the same approval number.
! t3 `0 y6 e" {1 T O; V4 H > Therefore, we would like to be able to configure the units to a specific
8 _/ C4 P4 X7 V w+ q4 h% x' `8 {> application. For the business that we do, this approach will yield more
6 e, l9 ]3 m7 {! W > sales based on the same product and approval. We are interested in the
8 X- y& r5 ], C! I+ b' C> following specifications:
' J8 o: m' H4 {>
% k! ~ v# H- e> - 2 inputs at the Transmitter with three possibilities;
0 _" ~8 P* u7 j1 A/ O7 Z7 [8 M> 2 analog
9 D; {1 P+ J- e/ O7 x1 ]! m > 2 digital
- Y: ~2 F6 a( E8 {) |# R: [. e> 1 analog and 1 digital
* } B4 U+ a5 n" \5 K>
2 U/ P) w( W9 u> - 2 outputs at the Receiver with three possibilities to match inputs
/ ?7 ]. E7 C! t( } >
+ E% y6 E* I c+ Z > - Ability to configure/define analog Transmitter input ranges through
: O- s3 n) K2 m" h: q: f) [. K > simple programming method to correspond with full-range analog Receiver
8 j& t6 ~% k( X) H a& Y> outputs (0 - full voltage).
' O. I2 A5 z% K+ C- j- x5 r$ Z" b >
- d5 L; ?; F- h$ d; H > - Ability to configure and set sample rates for the inputs.
' z- R/ R1 P: P l >
7 U1 [. l6 @$ ^4 g3 M > - Digital output on Transmitter that turns on during the sampling period.
! \$ ?' C# G7 t6 M7 _. Z6 q>
# a& `0 ?- D P: }> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 p0 ]5 A, A, R% l> both software control and input hardware control.
7 G0 g( U& X' q$ G# F. X>
. ]8 X D0 P" }* n h" y > In order to configure the units, we would need a way to make the
7 E! [/ K/ T+ W) ~. W1 {; Z > settings. This would preferably be from a computer terminal so that
9 \' d& }4 i- V1 D8 l > configurations can be saved or easily duplicated for production volumes.
* B: k5 J' ]/ _( @ > The units should be small and compact with shielding, and able to mount
; I; \+ h+ V$ n8 X > to a printed circuit board with header connector.
- q9 b, h% N" e >
0 s: B$ t5 Q3 l1 }9 S > At this time, we are interested in samples of a pair of modems that
" \: c2 h( q- T6 ?' z- F* I4 l> might be similar to this proposed system. We do not expect that you
. c7 r- ^) S R* s! M > provide all of these specifications at this time. I can describe our
1 j) C3 w" Z. R8 N. m. N; h> immediate application needs in the next email if this project is of
4 a- y4 E' _) @0 B* b: I4 e> interest to you. Perhaps you can make the samples by those
3 u; ^ b9 f4 J, y# U> specifications. This will allow us to test your radios before we move
& j$ S" }+ j$ | > forward. We are interested in your 900MHz radio to start.
0 z' P* p: T* R
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