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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

1 G( A2 q+ p+ c9 i0 v2 Y$ K2 {& n客户要求如下,如果哪家工厂可以做,请和我联系
. M6 |, B- o0 q6 i \3 E, s> The application that we have in mind is similar to others that we commonly
, }; C" O+ S5 M* c7 [ > have. If we were to pay for FCC approval, we would want to use the modem
( l9 [, }% @% p8 ? }8 M > units in all similar applications under the same approval number.
: O2 S# C% w# c1 O7 T > Therefore, we would like to be able to configure the units to a specific
2 }' m" g ^$ L3 ?- I. ?> application. For the business that we do, this approach will yield more
p6 G) z4 u( N4 j) l: x. L> sales based on the same product and approval. We are interested in the
0 J5 c1 Y1 x1 w% E$ @+ x > following specifications:
1 f2 w; d" `. D1 e4 K" S>
7 e, T& }. _, s# p0 c4 Z( N6 R# M > - 2 inputs at the Transmitter with three possibilities;
; i- Y( u8 n7 m3 J3 Q' M) R, w7 d5 B. ~ > 2 analog
/ C3 @3 _' U- `8 a6 m1 F- H4 i > 2 digital
, {7 C/ }7 A' g! b/ |" E% P> 1 analog and 1 digital
: L5 s2 w: d4 Y; p/ P) Y+ ~ >
! T& q. J2 J# X6 r3 Q > - 2 outputs at the Receiver with three possibilities to match inputs
+ Q5 j# @. ]. T; d>
# h! Q( X# } V, f, w. @" V8 y5 L0 P> - Ability to configure/define analog Transmitter input ranges through
# o) C8 u8 U3 t( H# P. V- ` > simple programming method to correspond with full-range analog Receiver
$ E$ _# m1 T' `3 n$ N: g> outputs (0 - full voltage).
! u9 E! g; _ J0 |8 D>
3 o) _, a; w8 Q0 G0 B, A/ j1 q> - Ability to configure and set sample rates for the inputs.
9 `4 X# E8 B3 m! M, Y* n2 \ >
& J9 K0 m) F, D; k" C& D> - Digital output on Transmitter that turns on during the sampling period.
+ r: j' i5 J. B9 o; U! M >
6 C4 C+ f3 v4 j) q& m > - Ability to configure a power saving Sleep Mode in the Transmitter by
P+ P4 Q( M; ~0 ?+ ] }> both software control and input hardware control.
0 Z3 s3 `, J. B. O* K- C >
( B8 w2 H- g) w* q6 q( {> In order to configure the units, we would need a way to make the
( k; f0 S4 f" l7 o/ ^$ _8 E > settings. This would preferably be from a computer terminal so that
6 L8 W! E- ^; }& g > configurations can be saved or easily duplicated for production volumes.
7 P. x, k) [7 { > The units should be small and compact with shielding, and able to mount
3 n' l; ~: X0 i> to a printed circuit board with header connector.
$ ^- L# j3 R7 z9 S: _+ a4 z5 m" }! x>
6 `) c* M5 S7 z> At this time, we are interested in samples of a pair of modems that
; R' w7 ]/ B6 ^ > might be similar to this proposed system. We do not expect that you
; n A; q3 l6 ` > provide all of these specifications at this time. I can describe our
% z' j1 t: I. i > immediate application needs in the next email if this project is of
: Z. C% V% G* k% D> interest to you. Perhaps you can make the samples by those
& {$ f' D% E- L- o1 a9 M7 p9 D1 K > specifications. This will allow us to test your radios before we move
3 j' y3 f1 T+ W7 ?: B> forward. We are interested in your 900MHz radio to start.
) L- }" ?- h- d+ R3 T* t
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