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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

+ ^( r4 S& a/ G客户要求如下,如果哪家工厂可以做,请和我联系
- m4 S* W* K5 M a4 r! H > The application that we have in mind is similar to others that we commonly
. I; X1 d# @! D6 O7 Z> have. If we were to pay for FCC approval, we would want to use the modem
4 o/ J" @: r- \+ `$ |+ B> units in all similar applications under the same approval number.
* x, s$ N; W2 y& k" o> Therefore, we would like to be able to configure the units to a specific
: o% }6 `/ o; W Y2 x: v* e > application. For the business that we do, this approach will yield more
/ Z% l/ ~; O" v# N% @; \> sales based on the same product and approval. We are interested in the
# k3 ^1 H% n. {( y& V > following specifications:
3 v5 v% v t7 Z/ r( D7 @% g' V>
( |% ~8 L1 d4 M! x > - 2 inputs at the Transmitter with three possibilities;
* W+ j+ d6 T' T* w% n, W4 x > 2 analog
) K* Y8 M w- L5 ]/ D> 2 digital
3 D6 U% x& q6 a7 o; l > 1 analog and 1 digital
- m. [8 Y/ Q( R8 `/ }3 x) T* A >
* S1 @9 @/ n2 ]4 _: z9 m7 B; h0 l > - 2 outputs at the Receiver with three possibilities to match inputs
4 P& F# {; i6 H6 H1 y6 W >
" X7 e% l# M& i2 C9 c) k> - Ability to configure/define analog Transmitter input ranges through
2 l6 ]1 { Y4 c6 p/ o+ `" D$ a! a( P > simple programming method to correspond with full-range analog Receiver
* {& t9 K' f5 f1 `5 a> outputs (0 - full voltage).
0 u( o- d4 ?: Y6 n$ K >
, n9 d7 W) D: V1 C1 L: `3 {> - Ability to configure and set sample rates for the inputs.
. q4 a' e# _1 I6 C; `- K0 E8 ~ >
& @" B% w+ H* w6 r2 } H V> - Digital output on Transmitter that turns on during the sampling period.
" @5 }4 q( K8 p7 v% n6 o>
9 g! Q" ^9 M+ |2 K; ?- y. G > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 ]7 y) A% o) b4 `> both software control and input hardware control.
% t5 P- F% D- E>
% A( P( N& L8 Q0 c/ d5 u> In order to configure the units, we would need a way to make the
" _. x+ _3 x& r" h > settings. This would preferably be from a computer terminal so that
8 C/ O( R6 e3 S4 E> configurations can be saved or easily duplicated for production volumes.
6 |' t4 A4 J! e6 y( w# k x > The units should be small and compact with shielding, and able to mount
& d# ?8 ?8 O$ M+ g1 k' F> to a printed circuit board with header connector.
" a' J" l! t. [! f; I9 u& @ >
& h% b5 a! Z: H, \ > At this time, we are interested in samples of a pair of modems that
! D6 }4 j' Z+ y c% i. Z> might be similar to this proposed system. We do not expect that you
7 z5 c8 }& _6 j1 W1 v> provide all of these specifications at this time. I can describe our
1 }- J% X# n& o+ D( R7 Y > immediate application needs in the next email if this project is of
2 b- p( B# a* g6 L0 v3 }% k2 I> interest to you. Perhaps you can make the samples by those
4 |9 }1 j, u8 D; i > specifications. This will allow us to test your radios before we move
) @; R/ j8 [2 ?( i E > forward. We are interested in your 900MHz radio to start.
, e4 `! k( [# Y( n$ ^
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