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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

: w. Q8 P4 i7 B; s! t. D 客户要求如下,如果哪家工厂可以做,请和我联系
6 [ z8 C& C6 r9 y1 ?6 R > The application that we have in mind is similar to others that we commonly
2 D& B7 O; E |( Y$ w9 E" s> have. If we were to pay for FCC approval, we would want to use the modem
" i- U) r8 ~( Y# n, M* v6 C) R> units in all similar applications under the same approval number.
$ f) T/ u9 K& h+ Q> Therefore, we would like to be able to configure the units to a specific
& B$ C$ _8 B" z3 k > application. For the business that we do, this approach will yield more
0 F0 N- Q3 g% l( A5 s0 ^! y# b > sales based on the same product and approval. We are interested in the
$ n1 `) v5 A+ \2 K" E8 \8 a > following specifications:
3 g, G) L5 U6 @' {' L >
" L, j9 `+ `) o% g5 n( m > - 2 inputs at the Transmitter with three possibilities;
4 b0 m* c+ \9 v > 2 analog
* {6 |. i/ a% V9 U5 _ > 2 digital
% l5 @: E# }; c > 1 analog and 1 digital
* f! s" `! B* Q- q1 T/ V% H >
4 r' F9 m# n5 @6 T. B# ~ > - 2 outputs at the Receiver with three possibilities to match inputs
' L" l/ R9 _$ z9 c+ T- Z>
5 d |; M' o3 g/ X > - Ability to configure/define analog Transmitter input ranges through
3 w) `$ H. \, f8 ?2 l3 X> simple programming method to correspond with full-range analog Receiver
) M! q. L: M: k> outputs (0 - full voltage).
, R. B/ t- e! G. V >
: d. C0 n/ ^( u$ D/ t& } > - Ability to configure and set sample rates for the inputs.
0 h7 W W2 b9 l7 r>
4 K3 ~6 a9 b+ i> - Digital output on Transmitter that turns on during the sampling period.
9 p1 z* `8 q3 L, v2 S* W >
7 ]0 s4 j G5 u( p> - Ability to configure a power saving Sleep Mode in the Transmitter by
; P( W% p$ `0 \( u7 A > both software control and input hardware control.
# a+ u4 S ~: P& ]: V! y >
" x% P, L+ A- R+ o> In order to configure the units, we would need a way to make the
- F. Y1 q2 T; G> settings. This would preferably be from a computer terminal so that
/ E) p; ]! Q2 R# U* @& w. h > configurations can be saved or easily duplicated for production volumes.
^3 p, Q- N! R5 o: M/ O1 u> The units should be small and compact with shielding, and able to mount
$ c' ?+ G' o* }1 [: m/ j/ X- m% V! O> to a printed circuit board with header connector.
2 X7 u7 K! A( t: b& K2 d. [! V, ^; \>
# h% L3 @* T% N; D- c> At this time, we are interested in samples of a pair of modems that
. J8 f1 V7 A& T! L" q3 p3 u> might be similar to this proposed system. We do not expect that you
: w8 t" N, p2 g8 L > provide all of these specifications at this time. I can describe our
! t0 K, }# ^$ g: X( D. u: M: L > immediate application needs in the next email if this project is of
$ F- y* E+ ?. z) x A' { > interest to you. Perhaps you can make the samples by those
0 A6 W# F% w' a! I, n& f+ m$ W > specifications. This will allow us to test your radios before we move
0 [( U, J( j1 t > forward. We are interested in your 900MHz radio to start.
* Z( x9 v/ j/ _& H3 a: I- ^# k
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