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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

+ X( p7 }9 T$ @& M" z- ^; K 客户要求如下,如果哪家工厂可以做,请和我联系
8 m* o8 H% `& w$ q0 o+ G6 Q> The application that we have in mind is similar to others that we commonly
9 H+ d( F3 `; i- k$ G > have. If we were to pay for FCC approval, we would want to use the modem
* i$ b8 Y- H; u$ N* ^1 g {> units in all similar applications under the same approval number.
5 t! W$ o4 W" U# s > Therefore, we would like to be able to configure the units to a specific
7 M4 H2 C: G8 W> application. For the business that we do, this approach will yield more
! C! _8 ^6 O# e- F9 J/ ?: U9 R! c7 P> sales based on the same product and approval. We are interested in the
9 i: i6 G8 ^% b* z: J; p5 _ > following specifications:
6 x! c: E* x* L# Y>
% }, S h% C# C6 O# M/ x > - 2 inputs at the Transmitter with three possibilities;
]1 r1 v/ x" D2 i E# u> 2 analog
' C6 X9 a# R! B6 C > 2 digital
) k4 `" _. w, @. e, x; y" y> 1 analog and 1 digital
& a3 ?5 e& h8 X' P- `1 u>
; e" P; ]: u+ c n > - 2 outputs at the Receiver with three possibilities to match inputs
' D7 w: R. [% P >
* l% }0 X* ]- _* b: w> - Ability to configure/define analog Transmitter input ranges through
/ W, i; h9 d. r5 K- ]# [4 S- A4 V> simple programming method to correspond with full-range analog Receiver
$ X+ h, [# A' W* h9 Y, D > outputs (0 - full voltage).
7 r/ B6 m# f- k( x# \ >
7 [. j H& B/ p2 G6 B- f2 n* a > - Ability to configure and set sample rates for the inputs.
7 r4 _4 k: C2 i) F) p>
$ ]4 Q' A7 c' D2 g1 ], P$ t, @ > - Digital output on Transmitter that turns on during the sampling period.
, b e1 [: @/ l. v0 X>
2 ^; p6 W/ w; D5 X( x> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 H( C2 w0 |4 j3 q5 P. Z> both software control and input hardware control.
4 Z6 C1 Z: v, r9 z; I >
w) H1 N) G5 G$ M% i3 F> In order to configure the units, we would need a way to make the
- Z X1 L% h% L$ @* z> settings. This would preferably be from a computer terminal so that
& }7 t) H, k% B8 E. p+ C# ]8 D: m > configurations can be saved or easily duplicated for production volumes.
0 Q- B) s* R6 G8 ~& s' z > The units should be small and compact with shielding, and able to mount
$ _7 @/ ?* r* d8 M' [2 L4 N> to a printed circuit board with header connector.
8 o! O4 z5 T, K! J" X1 |3 z. F>
( Q4 }/ H% q/ g. n& U> At this time, we are interested in samples of a pair of modems that
, U; y6 d+ V7 }) C8 _$ S8 }& _4 @' D> might be similar to this proposed system. We do not expect that you
5 V$ V* I* Z% E9 U, h, o; @> provide all of these specifications at this time. I can describe our
! d# k3 N7 }8 n/ R > immediate application needs in the next email if this project is of
# d* c/ m: k0 F- Y7 g> interest to you. Perhaps you can make the samples by those
9 L3 O# {" I7 g> specifications. This will allow us to test your radios before we move
! x) H) ^9 Z6 I8 l2 B3 Z X3 n> forward. We are interested in your 900MHz radio to start.
+ A& z8 H2 P) a. I" c
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