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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

: ], |) b& l4 C 客户要求如下,如果哪家工厂可以做,请和我联系
+ H( V& L" d. }3 d I+ ^% T8 L > The application that we have in mind is similar to others that we commonly
1 f9 [$ V* P, Y > have. If we were to pay for FCC approval, we would want to use the modem
# b( S0 a) [# u5 z) a- I> units in all similar applications under the same approval number.
: N- s% F& o! `9 P5 N> Therefore, we would like to be able to configure the units to a specific
9 y4 o0 K6 ]3 t5 B& l/ u" U> application. For the business that we do, this approach will yield more
+ g5 w7 k# h$ |6 n# }) x5 P0 c > sales based on the same product and approval. We are interested in the
' }3 Y( q( \7 J( `4 H> following specifications:
- @8 ]* ?! M: Z4 `>
; S, u$ Z f- m6 ?% Q9 L- X& W. z( Y( W> - 2 inputs at the Transmitter with three possibilities;
4 N& ]3 w1 P6 d( z4 K2 s2 B' Z> 2 analog
- N |, w/ b, m* L6 P4 f6 e6 ?> 2 digital
' W# F* H6 }) H/ C/ O > 1 analog and 1 digital
# Q/ o* y" z& Y4 M. u* b>
8 x1 d7 e! }: n# T" D> - 2 outputs at the Receiver with three possibilities to match inputs
, m' Y6 x; P3 c8 ?. D >
7 r5 S# T' e+ @6 N$ t# _> - Ability to configure/define analog Transmitter input ranges through
" ~4 V, s z( Q > simple programming method to correspond with full-range analog Receiver
& x6 b- |4 ~- f# E! i# A# p > outputs (0 - full voltage).
2 i1 Z7 H$ E$ I0 I1 R! _ >
' \' P3 c1 b U! a; V) i- x> - Ability to configure and set sample rates for the inputs.
7 b& I/ g7 [' ] w" |! z >
+ `% P! ^1 H: W' n7 m9 v+ \> - Digital output on Transmitter that turns on during the sampling period.
4 d0 Q" s7 W D, _( z>
: A+ ?2 L( J) Q" I8 X: Z> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ q/ K8 p2 K- B' }+ d, n > both software control and input hardware control.
9 Y: j- J: l6 l4 u& l3 Y>
! h; l# S' P7 {0 i4 o> In order to configure the units, we would need a way to make the
/ \" V, l7 c# J: r5 J" ~- {7 }" g > settings. This would preferably be from a computer terminal so that
5 D5 n8 E( e; C > configurations can be saved or easily duplicated for production volumes.
% h# y B2 T% C+ T> The units should be small and compact with shielding, and able to mount
- i3 X( Z) F- d4 p4 @, ?7 \7 A- T) J* Z > to a printed circuit board with header connector.
2 `4 K6 I" W& g& V, ~1 K( P& b >
" l$ e- M o, t8 f! k, w8 z> At this time, we are interested in samples of a pair of modems that
& z+ S' P( F3 [2 \6 D t1 q/ p: e > might be similar to this proposed system. We do not expect that you
$ d ?' C. R# Y- {& I/ g > provide all of these specifications at this time. I can describe our
! y) [1 T% O% O0 V3 e > immediate application needs in the next email if this project is of
0 [) M- Z' h- o. R( X > interest to you. Perhaps you can make the samples by those
h' B0 A, P4 n/ z8 J8 w > specifications. This will allow us to test your radios before we move
9 |3 l' \- I* y/ x> forward. We are interested in your 900MHz radio to start.
}$ r- S5 }. A1 z z' V9 Q
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