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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

: O7 q' V- m8 F; {- Y" ]1 d1 d 客户要求如下,如果哪家工厂可以做,请和我联系
/ B: l% w8 Q3 _8 ?" B> The application that we have in mind is similar to others that we commonly
' Y( H' f; q6 t1 d! e' ` > have. If we were to pay for FCC approval, we would want to use the modem
! \( |, I* W% Q; ~4 X2 P > units in all similar applications under the same approval number.
: w# u5 z$ b. Z+ r3 f" w F# a7 a> Therefore, we would like to be able to configure the units to a specific
6 Y2 Z. n% }& m+ ?) A- P* d > application. For the business that we do, this approach will yield more
( g2 L6 c4 V* z7 D+ c7 u# z > sales based on the same product and approval. We are interested in the
* M- I3 m9 c! O( W> following specifications:
) @% ?& T+ G0 j" R0 m>
0 W5 M8 D) i2 Y* E: \ > - 2 inputs at the Transmitter with three possibilities;
& ]5 a1 O) b! n4 [ > 2 analog
) t* Q; j. j0 B1 j9 E- I# H" x5 _ > 2 digital
0 I7 z2 v8 q" i9 a( f> 1 analog and 1 digital
) ~' i- F% `+ U8 v' @1 Y. ~>
. F3 z5 O$ ^" @; I' Y' @* |8 w5 H > - 2 outputs at the Receiver with three possibilities to match inputs
, b6 s# ?, n( n: ]- r >
) g* W7 u" I0 L) Z, [ > - Ability to configure/define analog Transmitter input ranges through
1 c, D+ ]9 O' D& U0 f> simple programming method to correspond with full-range analog Receiver
# r/ {8 c& {( F9 w, v( S2 o> outputs (0 - full voltage).
( [8 C, J: b. A" s w>
& j8 J) S1 i1 d; Z > - Ability to configure and set sample rates for the inputs.
1 v j3 L2 W3 d6 h6 a/ _, H >
" k, r% V- B& U' K3 [> - Digital output on Transmitter that turns on during the sampling period.
. R- @2 h5 u) J$ y& F1 l>
, U9 i% B% \8 Q/ F> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ o" p2 L& P. u" ~2 \" g > both software control and input hardware control.
9 G/ |5 \- _ y" R >
0 P. B1 g1 D, X: z > In order to configure the units, we would need a way to make the
$ A$ {& f" y" K2 D r. m. x> settings. This would preferably be from a computer terminal so that
# ]. w! Z% t3 ] t > configurations can be saved or easily duplicated for production volumes.
E* H0 j: U4 e > The units should be small and compact with shielding, and able to mount
( ]- n5 I- g* m* q$ ] > to a printed circuit board with header connector.
+ U; A6 t3 S7 V0 E( }# P& F$ T$ t >
6 _0 N `; b0 U> At this time, we are interested in samples of a pair of modems that
/ @6 _) H: V0 Y# t: M* c' g: t > might be similar to this proposed system. We do not expect that you
& p4 y* t3 N# d$ p! j > provide all of these specifications at this time. I can describe our
9 {, f3 k) j1 a3 L/ c! M> immediate application needs in the next email if this project is of
x$ G! j0 n# U ?+ b3 }9 w> interest to you. Perhaps you can make the samples by those
# u) d% Q; W# R* Q7 N > specifications. This will allow us to test your radios before we move
# a0 n3 g; z9 N4 S* t> forward. We are interested in your 900MHz radio to start.
6 K4 |$ y) D$ n) J
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