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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

( u- s+ ?$ I: p# H% g# Z! n 客户要求如下,如果哪家工厂可以做,请和我联系
G2 ?+ {+ Y: H9 g+ T* y> The application that we have in mind is similar to others that we commonly
$ e8 \- p+ L4 d' M- S. Q> have. If we were to pay for FCC approval, we would want to use the modem
1 V$ Y$ C2 O4 @* }, Q- W4 V> units in all similar applications under the same approval number.
2 y3 w6 f# y1 \+ i `3 U c: ~+ w > Therefore, we would like to be able to configure the units to a specific
6 _. e; g" h. n5 |: C4 L> application. For the business that we do, this approach will yield more
+ b& F% @ y9 `6 n! X& N > sales based on the same product and approval. We are interested in the
* ~5 H! a" N% ?1 v> following specifications:
t# }/ s' n! b, |>
2 J+ v% l2 g) d. b; g+ X& i% _ > - 2 inputs at the Transmitter with three possibilities;
4 ]8 g& h- y, q, P> 2 analog
J( N" K4 R- a" | w> 2 digital
% n6 z5 Y! p/ v m+ x/ y3 A" Z0 f! f> 1 analog and 1 digital
& v* O9 U8 E! J) j0 w' f>
+ [$ ~3 w# m9 v3 U3 Y1 v! B) ] > - 2 outputs at the Receiver with three possibilities to match inputs
. P, Z ]. T7 u* e >
' ]6 S2 E/ o. p! s- y> - Ability to configure/define analog Transmitter input ranges through
) F% c3 L! d. w> simple programming method to correspond with full-range analog Receiver
: _$ x& ]' x. @) b* j k& R/ I> outputs (0 - full voltage).
( v) y) O* D9 r: j, N0 ? a6 Z! o1 } >
: a/ {7 v2 v7 r. f > - Ability to configure and set sample rates for the inputs.
! e2 ~0 p1 k3 {>
( p6 j6 @% j' ]" {& h* s8 j > - Digital output on Transmitter that turns on during the sampling period.
0 q5 g& {$ D+ ?( G- C: U0 M+ u >
+ i1 Z5 Z9 C8 O& G! l4 C5 s1 d* l> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 ~6 Y7 e) b# m& h- X% A > both software control and input hardware control.
1 F3 |6 N% d/ c" D4 n>
4 D/ K; A8 _2 M, x& |- g/ ^> In order to configure the units, we would need a way to make the
9 g5 L# g( Z$ }2 S> settings. This would preferably be from a computer terminal so that
' J' c8 Q. ?- V8 D6 v7 E> configurations can be saved or easily duplicated for production volumes.
. r5 ]# e0 [0 }& W) u! E > The units should be small and compact with shielding, and able to mount
3 \2 j% g% Z1 o* x> to a printed circuit board with header connector.
9 B6 i8 T3 H; h% w/ e( n >
3 R7 t, z3 q* L3 p5 W1 L8 ] > At this time, we are interested in samples of a pair of modems that
; s9 G/ e% Y9 b- f) T> might be similar to this proposed system. We do not expect that you
' x6 {4 g5 r. N- o3 [> provide all of these specifications at this time. I can describe our
7 A8 [: W2 a! ?- U! b0 W4 ^9 c. k* n > immediate application needs in the next email if this project is of
v1 z; K# d3 B) ?" Q > interest to you. Perhaps you can make the samples by those
( _4 d# H: q, f- [3 T/ H' x) o > specifications. This will allow us to test your radios before we move
, | ?+ I; o- x1 S& t4 S> forward. We are interested in your 900MHz radio to start.
6 ~- b+ O( n: a6 _
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