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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

- F7 a2 n1 }& x3 r/ o 客户要求如下,如果哪家工厂可以做,请和我联系
( y4 d% n2 @+ Z4 c' a > The application that we have in mind is similar to others that we commonly
: l+ m1 A' E- t% @> have. If we were to pay for FCC approval, we would want to use the modem
; M7 Q, Y( A) X6 D8 ], L > units in all similar applications under the same approval number.
% c6 {0 y) j" e$ w5 M8 r" P4 o > Therefore, we would like to be able to configure the units to a specific
# Q) a* }- q; H6 w+ x6 ]> application. For the business that we do, this approach will yield more
4 O# e! T9 g' Q4 e' Q5 ~> sales based on the same product and approval. We are interested in the
( y0 M# ^: U [1 S7 @- z> following specifications:
2 j8 X M9 i, Q" T6 C>
. h, q! h' v" S0 C> - 2 inputs at the Transmitter with three possibilities;
M0 r: ?, m$ ~2 Z> 2 analog
* `3 ~4 @9 T5 U9 T# d > 2 digital
( ~- s) l5 p! o. O/ Z+ X% k# x > 1 analog and 1 digital
- {0 Q& S; x9 q >
2 f% ` c' D" F8 K: a> - 2 outputs at the Receiver with three possibilities to match inputs
% M. G- X* x3 ~- K$ z >
7 u0 d% _. U8 Z* e > - Ability to configure/define analog Transmitter input ranges through
, {' [- _3 h. A- Z6 a: O> simple programming method to correspond with full-range analog Receiver
1 o7 N( L* A- A1 x% h > outputs (0 - full voltage).
; N+ }1 q7 z f. l>
2 X0 e9 L: X' N: s0 j/ e > - Ability to configure and set sample rates for the inputs.
( I& ?+ @1 P) [1 k >
* g- X3 b# f- i& R > - Digital output on Transmitter that turns on during the sampling period.
. P+ a4 E- K/ Q, d/ ^5 r# l% H>
+ X$ n3 [, v9 m > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 ^, M& N1 @) S" V! Y7 K' u E > both software control and input hardware control.
% s G0 `, `) a' Z >
6 f+ A$ a: F$ i, M> In order to configure the units, we would need a way to make the
0 N0 Q; z) @6 y7 B: W$ D2 v > settings. This would preferably be from a computer terminal so that
0 {, {) g9 M" | > configurations can be saved or easily duplicated for production volumes.
7 C. h4 f* }9 n2 J r( U G5 x > The units should be small and compact with shielding, and able to mount
5 Z0 O7 l2 d+ j" D" A5 H7 | > to a printed circuit board with header connector.
! k( q. Q3 e( C9 _& X+ B' N$ Y >
! v+ P" U1 F# @* {% _9 _ > At this time, we are interested in samples of a pair of modems that
2 d4 h7 C) l" d% u > might be similar to this proposed system. We do not expect that you
. B4 e) a3 w2 {2 Q( d8 w: } > provide all of these specifications at this time. I can describe our
" G# W+ K Q9 B+ O9 V: R > immediate application needs in the next email if this project is of
- z s/ |5 c5 b0 T> interest to you. Perhaps you can make the samples by those
0 g# _( g: x3 F$ s > specifications. This will allow us to test your radios before we move
( ~5 `/ j3 l' Q8 j9 k( ]* O > forward. We are interested in your 900MHz radio to start.
9 c+ F7 x8 f: n. N+ p. q$ E' @
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