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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

7 i2 I/ q3 G5 B4 }5 C+ z 客户要求如下,如果哪家工厂可以做,请和我联系
/ f4 h) A5 E/ X1 ^> The application that we have in mind is similar to others that we commonly
3 |% s0 s; M3 i# ?; W! q> have. If we were to pay for FCC approval, we would want to use the modem
, |3 ]/ j+ E. {: f > units in all similar applications under the same approval number.
+ [3 _% D. i; H0 Z > Therefore, we would like to be able to configure the units to a specific
! J8 b2 K, _' I6 \3 ^ W3 p > application. For the business that we do, this approach will yield more
! m: y1 m' l8 s- w> sales based on the same product and approval. We are interested in the
; {* j4 x% A* d* h) j3 ~> following specifications:
# Y9 Z9 p4 P" n8 G, ?>
w1 c: ~ a! n, x7 O% S: ?> - 2 inputs at the Transmitter with three possibilities;
8 b) z1 x( `& }" O2 \> 2 analog
) W2 I) D$ m- }. B; j) \) d3 Q: U> 2 digital
7 H- ?- Q& n k7 W6 ^> 1 analog and 1 digital
; }" r& C" v( J2 l* S8 s >
! d% _+ j6 q% ]( Q2 `" `> - 2 outputs at the Receiver with three possibilities to match inputs
4 J, ~$ O6 R4 f! ?! R/ @>
+ p9 d: o7 Z6 M" M > - Ability to configure/define analog Transmitter input ranges through
! a) j, p% P3 N8 r* }; S' X! s- f8 R> simple programming method to correspond with full-range analog Receiver
+ e+ L6 O4 D" _- X# {> outputs (0 - full voltage).
5 [2 D. V. b4 [. G0 c3 B# V7 E >
1 k; H m1 ^+ V3 `7 J > - Ability to configure and set sample rates for the inputs.
% C7 m0 i' \5 }$ r* Q>
4 S8 G8 i3 L5 {/ } > - Digital output on Transmitter that turns on during the sampling period.
( |. f, L7 d$ G/ t# @6 _& N; g>
- k! I J& m& K$ b2 t7 A> - Ability to configure a power saving Sleep Mode in the Transmitter by
; T( x5 h5 y# i% j6 j) F> both software control and input hardware control.
4 _5 l5 @$ [1 n/ V1 Z" |0 Q >
+ ]+ `$ j0 j, b> In order to configure the units, we would need a way to make the
- I4 o5 ]- r/ t+ ^% K, ` > settings. This would preferably be from a computer terminal so that
+ l, ?7 F+ q4 G7 L! Z" q1 ^ > configurations can be saved or easily duplicated for production volumes.
! @6 @1 }) o' @1 `4 D1 }1 h7 U o' x > The units should be small and compact with shielding, and able to mount
# @1 \7 n( n8 T2 | > to a printed circuit board with header connector.
: V: r/ J/ e/ b& ]0 x" R- F2 w >
, V1 ~. A/ S: \/ o& Z > At this time, we are interested in samples of a pair of modems that
8 [, l4 x6 B! r% n> might be similar to this proposed system. We do not expect that you
8 `8 v% S" r# S' x! H$ O X! a" S> provide all of these specifications at this time. I can describe our
3 i2 z8 m! a* y4 B: ~7 h > immediate application needs in the next email if this project is of
7 e6 z- U { s6 S& h+ Y > interest to you. Perhaps you can make the samples by those
0 I+ @6 x2 G( T$ |! Z$ z> specifications. This will allow us to test your radios before we move
- {8 W7 x7 B! J6 l6 u4 r b1 c, N> forward. We are interested in your 900MHz radio to start.
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