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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

+ K: E+ f1 ^5 @9 }$ e* r6 C# s客户要求如下,如果哪家工厂可以做,请和我联系
# r2 X" p3 \* t7 A& A' L! S# L2 Q > The application that we have in mind is similar to others that we commonly
D u0 k) C' A' h" r9 G8 I S- K> have. If we were to pay for FCC approval, we would want to use the modem
3 b4 ?: l, c$ A+ \ > units in all similar applications under the same approval number.
5 K/ Y f" Q+ ^/ u A > Therefore, we would like to be able to configure the units to a specific
1 i; `) s5 k# _ > application. For the business that we do, this approach will yield more
: I3 d9 f ?6 `6 ]1 [+ M > sales based on the same product and approval. We are interested in the
! Y; W8 K) r, ?: c$ ~5 n7 @ > following specifications:
; ^2 U) T& l6 e >
6 e# x6 q( [% I > - 2 inputs at the Transmitter with three possibilities;
" b! X# ^" g! w( Z% i; J > 2 analog
- L `" S- P- h" w- Y! l > 2 digital
4 a# v; n' v( W0 N > 1 analog and 1 digital
- }! v0 G: |! M>
+ C; c- ]4 H/ S) S > - 2 outputs at the Receiver with three possibilities to match inputs
; \& S" V" [! o/ A: b>
% H5 Z, d4 p* k. x- } > - Ability to configure/define analog Transmitter input ranges through
) V- u! T# q: I' e2 W. C > simple programming method to correspond with full-range analog Receiver
+ `. J8 H1 g- i2 z > outputs (0 - full voltage).
; Y" ?" x" w) r" H' `% G >
0 _6 o; H6 }' k$ r2 `: H5 T > - Ability to configure and set sample rates for the inputs.
" u5 r7 Q% k' B$ S) q>
' d0 w. y) r& a j> - Digital output on Transmitter that turns on during the sampling period.
- g( Z9 w6 } N! ]; w! x# w; F! p0 m. N>
* S0 p6 c* M, E% P& Q/ }% h> - Ability to configure a power saving Sleep Mode in the Transmitter by
" }; O8 y' l) G. X. ? > both software control and input hardware control.
: e; Z6 Y* T# g: d >
! S! `) `' K. F! X3 U0 L > In order to configure the units, we would need a way to make the
1 V: M4 i5 D, y' Q8 g T* ?$ a, D > settings. This would preferably be from a computer terminal so that
9 B* }% ^1 q8 E- E$ a > configurations can be saved or easily duplicated for production volumes.
$ k2 }, K7 ^5 P2 H3 O/ a- {> The units should be small and compact with shielding, and able to mount
7 T) }* W' Q8 g) _+ O- b > to a printed circuit board with header connector.
' @3 d& ^7 q! X' N6 L; |( ^ >
) q- Z% y$ g4 d, @+ }$ M> At this time, we are interested in samples of a pair of modems that
$ X# h: I$ Z9 D' z > might be similar to this proposed system. We do not expect that you
( Q' g4 l- S( k k' S+ Y2 R > provide all of these specifications at this time. I can describe our
$ Z' N, s7 O- ]& [ D) M, [3 z> immediate application needs in the next email if this project is of
8 Q/ d6 u. C: L! F o6 Y: | > interest to you. Perhaps you can make the samples by those
: f3 n2 u, R" y! _1 \3 q9 C > specifications. This will allow us to test your radios before we move
% C1 j! w3 Q, y* X$ i$ }6 Y ?; u5 H, T> forward. We are interested in your 900MHz radio to start.
0 @! O( \( N' B4 S1 o; H4 ?
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