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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

% |+ k0 Q# w0 F8 K9 b& {! d& E 客户要求如下,如果哪家工厂可以做,请和我联系
6 d! U8 y* J Y: |6 f> The application that we have in mind is similar to others that we commonly
" q5 h% N# i" j3 U; H> have. If we were to pay for FCC approval, we would want to use the modem
( c2 ~/ C# A5 |5 n5 y& ^ I > units in all similar applications under the same approval number.
: P8 g" a7 R: } > Therefore, we would like to be able to configure the units to a specific
* @7 r; B# S7 [+ R" z! O) T > application. For the business that we do, this approach will yield more
2 W( I; \7 C3 n* Y> sales based on the same product and approval. We are interested in the
% J8 o3 T, h$ C > following specifications:
$ G0 I* E# Y) s >
5 Y7 s! N/ G3 d5 Y: a/ k, D > - 2 inputs at the Transmitter with three possibilities;
& L2 ~2 j0 H, Y> 2 analog
3 m# y3 h! u3 `; [& C' c> 2 digital
0 U) Q$ s; \$ f" z > 1 analog and 1 digital
) R! l" b. P' }0 o >
y4 ^( S5 ^# D) E, d+ P: h f4 d > - 2 outputs at the Receiver with three possibilities to match inputs
1 H! I' a5 Y! x) d >
( D: P/ Z! a4 Y2 I0 y; z0 W > - Ability to configure/define analog Transmitter input ranges through
% a- w! ^7 p* B# X > simple programming method to correspond with full-range analog Receiver
6 k7 ^2 \, ^0 v' h+ q4 r$ X' j( h > outputs (0 - full voltage).
% t& w' R, i i >
- O( R% }" t& X* z6 G; a> - Ability to configure and set sample rates for the inputs.
, W4 R6 o- W) t>
; c' @" Q8 n9 p! u, b > - Digital output on Transmitter that turns on during the sampling period.
4 y4 W1 o: S; x, o1 E, U/ B: |0 h>
% p: Z5 y, E1 I$ ^' V! x/ g3 k+ d > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 S! d/ o) c/ f) x% Q; `, Z+ R > both software control and input hardware control.
1 y+ y8 o" t s" u$ s >
' L' w% |! a) o& n P > In order to configure the units, we would need a way to make the
( P8 J) C! ?/ ^- `# s > settings. This would preferably be from a computer terminal so that
2 h) W! i1 a3 s# @> configurations can be saved or easily duplicated for production volumes.
* l+ a% O" S- R- p3 u3 H& i > The units should be small and compact with shielding, and able to mount
! D2 O+ g5 w9 z > to a printed circuit board with header connector.
; F) w* P! F, C* n" D L( A, [7 `: ] >
$ n" J% l: M0 R, Y- K& B+ {( x/ N; W! H> At this time, we are interested in samples of a pair of modems that
" ~" X3 d) b/ e" R- B7 p> might be similar to this proposed system. We do not expect that you
, T8 v* N9 [$ X7 f > provide all of these specifications at this time. I can describe our
" D! Z* p# w5 z, M8 X* a> immediate application needs in the next email if this project is of
) A4 A9 ]5 v: } > interest to you. Perhaps you can make the samples by those
% N$ P6 ^/ }# x/ o > specifications. This will allow us to test your radios before we move
; ^, _! j5 Y8 X. g5 L1 {> forward. We are interested in your 900MHz radio to start.
5 T5 Y1 N8 P' B, ?
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