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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

+ h5 v, Q7 E" f+ `7 ~1 h# E1 q9 z客户要求如下,如果哪家工厂可以做,请和我联系
1 @, |2 S& U$ R9 I> The application that we have in mind is similar to others that we commonly
. q5 n2 j- X6 G8 D> have. If we were to pay for FCC approval, we would want to use the modem
/ G! Z; N& y, j" @: \. `- h > units in all similar applications under the same approval number.
. f- d T7 A9 u2 v/ |+ T> Therefore, we would like to be able to configure the units to a specific
5 P6 m( K3 b i2 o> application. For the business that we do, this approach will yield more
" ?0 }1 {( q+ t$ r/ Q4 A > sales based on the same product and approval. We are interested in the
3 E8 W- I" G& }: N* e > following specifications:
5 J5 }$ B7 y1 B4 n >
: I4 P) b, q a2 U% S> - 2 inputs at the Transmitter with three possibilities;
) y/ _3 R( A; _; U% a: Y> 2 analog
$ H& S! U7 |% I" [# s3 G4 | > 2 digital
[' h( t( y* { > 1 analog and 1 digital
2 W g( h/ t9 G) c' l* q% B5 f, } >
! i9 m8 Z' k# v0 ^' J > - 2 outputs at the Receiver with three possibilities to match inputs
1 X% F5 \$ I0 _9 w: k9 x>
' J3 Q8 O v: C# d# R > - Ability to configure/define analog Transmitter input ranges through
* g/ R- @; H4 i2 R& q; f" a> simple programming method to correspond with full-range analog Receiver
, @* H6 N& p$ t0 h; r4 k > outputs (0 - full voltage).
! A3 N* n5 O; E( ^6 R2 I5 n B >
8 I! M; ~7 L; l, T! D$ f; V& @ > - Ability to configure and set sample rates for the inputs.
$ I( x* D+ K! l/ T. s>
) K6 d4 L9 q" R# C7 |- Q1 u0 \% o* g> - Digital output on Transmitter that turns on during the sampling period.
9 X: ~1 V* L' o>
) n! S9 I3 ]/ [) F& O. s' d> - Ability to configure a power saving Sleep Mode in the Transmitter by
, ^/ {/ ~: A% G4 W( _5 V C, I> both software control and input hardware control.
& t8 a/ F& I8 `' l>
: l8 W) B# S$ r) o > In order to configure the units, we would need a way to make the
- q1 Q$ a( C& @; Q1 @8 l6 u> settings. This would preferably be from a computer terminal so that
3 ?" N; j+ a" z0 ? > configurations can be saved or easily duplicated for production volumes.
. j1 F4 N( B& o1 A, t6 }6 F' @% n > The units should be small and compact with shielding, and able to mount
, \, O$ A" ^" H; b G" ~/ F> to a printed circuit board with header connector.
( J4 ~& V$ L6 K. m) a7 ^ >
1 i/ @1 N- Y S5 i0 G$ o* L0 R> At this time, we are interested in samples of a pair of modems that
8 b! h/ X. P: [' W5 f7 I) a' K" N> might be similar to this proposed system. We do not expect that you
: E7 v/ e( f. v. I' | > provide all of these specifications at this time. I can describe our
4 K( A0 y) O( f > immediate application needs in the next email if this project is of
0 `+ x4 X5 k& e) q' ^: {+ d" V> interest to you. Perhaps you can make the samples by those
+ e$ X$ C& ~: ]( \1 p# R> specifications. This will allow us to test your radios before we move
; y6 B; ]; b: H% k5 U> forward. We are interested in your 900MHz radio to start.
4 ^# C) F( e% d) J7 k3 m$ h" @$ f
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