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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

' P. u4 e" _. P$ b客户要求如下,如果哪家工厂可以做,请和我联系
' f4 d2 }, y1 k0 O > The application that we have in mind is similar to others that we commonly
0 B5 \6 m/ j( q& D! }; f> have. If we were to pay for FCC approval, we would want to use the modem
5 A" c1 \+ H6 M, Y> units in all similar applications under the same approval number.
" z" E# a8 V8 i' ?5 _- O> Therefore, we would like to be able to configure the units to a specific
U; R2 a2 N% @' H6 g: Q" E > application. For the business that we do, this approach will yield more
6 E; G+ d: L& C' h6 l# Y% T> sales based on the same product and approval. We are interested in the
# k) F B# }) w4 F9 p2 t2 l1 u> following specifications:
, ^/ U8 L5 i: \. j8 y2 M>
0 i* ]: X' o" ^6 `+ k$ u0 g0 Z > - 2 inputs at the Transmitter with three possibilities;
6 Y4 Q) h/ z" {$ G$ n > 2 analog
* w7 x2 E! m9 L3 I> 2 digital
: e, U! i. m$ ]9 g: m5 I- F> 1 analog and 1 digital
" I2 v; }. Z7 A>
: M( C) v4 y8 M b# j> - 2 outputs at the Receiver with three possibilities to match inputs
* o( C8 [4 o3 y+ d7 }0 Y4 x>
1 A- t h( P$ R" G> - Ability to configure/define analog Transmitter input ranges through
# M% V+ i# {1 l2 V > simple programming method to correspond with full-range analog Receiver
9 O/ B$ ^* Q' v6 O9 i ~> outputs (0 - full voltage).
: t: {5 P* B; g ]& M >
# A* z$ }. j1 C0 H* w& u* S& @# p> - Ability to configure and set sample rates for the inputs.
$ z7 i" u2 j" ^/ F; q, ^ >
' o) A; S! C8 E: X. r! f% I3 L0 S> - Digital output on Transmitter that turns on during the sampling period.
) h/ F& R, W5 K7 I/ ?2 v( d >
7 A8 z6 p' F z# s7 U0 J/ T > - Ability to configure a power saving Sleep Mode in the Transmitter by
' A7 t; s8 y7 @# F( m% |> both software control and input hardware control.
0 e- V6 r$ _7 d0 j>
- ?, D6 J" {9 Y- e: Q > In order to configure the units, we would need a way to make the
" K8 j' b. D- @( I- y > settings. This would preferably be from a computer terminal so that
+ v6 t% M8 z4 L+ e% c > configurations can be saved or easily duplicated for production volumes.
* `0 F) T$ h. l3 _* S. y> The units should be small and compact with shielding, and able to mount
6 ]3 D. D2 d2 p* [3 b; K" W: y$ H > to a printed circuit board with header connector.
' n3 P* }) O& a9 v# _$ D" w7 d! ~>
0 G/ W5 Y2 b% x4 p# _* N- U9 C. d > At this time, we are interested in samples of a pair of modems that
2 T, @( c- t( s+ s" k* { > might be similar to this proposed system. We do not expect that you
. r/ }% y) N8 O6 y2 ~/ J; I > provide all of these specifications at this time. I can describe our
+ |7 P; n3 |4 V$ J2 Y0 [" M" d> immediate application needs in the next email if this project is of
$ Q3 B. G% d2 ]9 p7 p- I% Y3 ]: q> interest to you. Perhaps you can make the samples by those
8 b9 Y# z% A6 E, u# p9 Y2 s( J > specifications. This will allow us to test your radios before we move
/ i" {4 G( O% @' l > forward. We are interested in your 900MHz radio to start.
' R' B8 m U( N$ f: Q1 y
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