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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# O$ Y K5 S$ \" Y 客户要求如下,如果哪家工厂可以做,请和我联系
0 |+ w5 e. i& m> The application that we have in mind is similar to others that we commonly
/ u2 @3 G4 [8 x! J, w [+ T> have. If we were to pay for FCC approval, we would want to use the modem
7 ]9 X# X# q( x$ j, @& u> units in all similar applications under the same approval number.
8 u! f$ u) z: R5 d7 Q! Q > Therefore, we would like to be able to configure the units to a specific
O$ e5 J" t) M0 r5 W> application. For the business that we do, this approach will yield more
8 N3 [. H) G8 Q/ c, U > sales based on the same product and approval. We are interested in the
- p( u7 f! p7 ~% [0 [- F9 ~# y( r > following specifications:
/ U: O$ E, T% N0 d, Z2 v! [* Y>
' t" o0 V2 A9 ~% f0 ~( H > - 2 inputs at the Transmitter with three possibilities;
7 m" c4 `2 z. m* u" b > 2 analog
3 x$ j9 k- l" ^: q9 Z: L1 @, S9 }$ \> 2 digital
* z8 A1 z0 g6 U1 C" ~ > 1 analog and 1 digital
3 \ h! P1 m4 d4 \6 T% \) j>
$ j9 P( o8 Y: D* o; j8 d J > - 2 outputs at the Receiver with three possibilities to match inputs
3 o- I7 n# j/ G+ k* i e0 [8 t>
3 q: {: A- a% b' Q> - Ability to configure/define analog Transmitter input ranges through
: M+ d$ c4 m2 k5 S& G% L* _! H> simple programming method to correspond with full-range analog Receiver
2 P% \+ k4 t7 z, v > outputs (0 - full voltage).
& L4 h/ g8 i; x- i( B>
% w+ R9 V2 v h; T> - Ability to configure and set sample rates for the inputs.
" l8 F5 [# Q g( [ e, \7 O>
W- ]% X% @, U$ }3 j1 H" D0 W> - Digital output on Transmitter that turns on during the sampling period.
+ d& x6 A: J, N, `" t* Z! M/ G>
3 l/ a* P7 u1 A0 U> - Ability to configure a power saving Sleep Mode in the Transmitter by
' @9 i$ f% V- H: X > both software control and input hardware control.
5 f% O6 b0 `$ a! G. t1 E>
5 o6 d+ m! t* P$ d; M> In order to configure the units, we would need a way to make the
; P' Z, O/ A, g. o > settings. This would preferably be from a computer terminal so that
% f1 J# q/ U( B" @+ c& M6 D/ ` > configurations can be saved or easily duplicated for production volumes.
5 ?- K1 T- _% a; ^ > The units should be small and compact with shielding, and able to mount
/ B+ i9 G$ H: {1 w8 e> to a printed circuit board with header connector.
2 ?) Z0 f q% q. N >
4 v: {3 X! X0 k; N- y9 V' M > At this time, we are interested in samples of a pair of modems that
% x. u( @( o3 o5 l0 n. b% Y h > might be similar to this proposed system. We do not expect that you
% o, v& c+ K7 n$ x# m7 r2 D5 ]7 Z > provide all of these specifications at this time. I can describe our
/ R8 P3 @2 c& q > immediate application needs in the next email if this project is of
+ {2 K! Y) B+ e" S. n s> interest to you. Perhaps you can make the samples by those
- q$ k" }% ^- H# Q9 j7 V8 D> specifications. This will allow us to test your radios before we move
0 a: P) u- Y: h! p > forward. We are interested in your 900MHz radio to start.
* F, |# Q+ Q8 O& K; ]
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