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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

' g1 b9 i2 E/ `5 E) ~8 K6 C客户要求如下,如果哪家工厂可以做,请和我联系
7 i8 ~0 D n4 Z3 S* }" t8 G8 }1 r > The application that we have in mind is similar to others that we commonly
) N/ Z- U! t2 Q6 s6 U2 N> have. If we were to pay for FCC approval, we would want to use the modem
p4 w$ Z0 p3 W0 x2 `0 T' P > units in all similar applications under the same approval number.
3 n" Y6 g8 O- w q5 \. t! g: c4 J > Therefore, we would like to be able to configure the units to a specific
. f+ [* Q0 P$ P% b1 X. Q9 y> application. For the business that we do, this approach will yield more
" Z' s& c* m" u! p0 o > sales based on the same product and approval. We are interested in the
: y& \& f0 ]6 `; D8 B( ~+ Z* |1 e) J > following specifications:
0 v' B! r' d( }* z; I! K>
4 B' L6 s+ z* J! x3 x" ~ > - 2 inputs at the Transmitter with three possibilities;
* S$ P' L# d* _" ?& @' P: c' b% u' b> 2 analog
0 T( b/ j# ]' ?. W& o) Z> 2 digital
1 s, j0 W) ^8 D: s$ k1 Z% ~ > 1 analog and 1 digital
# ?/ `0 c7 ?1 Q; V# Z3 N>
9 u+ o5 G; h; v) n* Z> - 2 outputs at the Receiver with three possibilities to match inputs
5 E$ ]" @4 S" N9 U8 w >
u! Y3 i. |7 x& t1 @8 s> - Ability to configure/define analog Transmitter input ranges through
* v* R2 x2 ?6 l9 ? m% Z8 [' l# a > simple programming method to correspond with full-range analog Receiver
6 Z4 T- [ Z. @& i. K& [ > outputs (0 - full voltage).
p7 }1 ~) [5 t8 h >
h; C0 N1 R- l) j' C > - Ability to configure and set sample rates for the inputs.
' Q2 e6 ?) s2 p6 Y1 P8 ^5 V >
. d/ y, H6 N' m+ A v4 `8 y > - Digital output on Transmitter that turns on during the sampling period.
) L; L/ T, o- k; Y$ x7 t6 k>
; k" Z; Y# R6 _: U* T- ^- v> - Ability to configure a power saving Sleep Mode in the Transmitter by
, a: A8 {; V: g5 w8 ~! x, H> both software control and input hardware control.
9 V7 k5 P. @% m3 H: a4 e >
4 C3 Z# A( x3 R3 N; n > In order to configure the units, we would need a way to make the
" e$ t8 r' `3 U9 F* w> settings. This would preferably be from a computer terminal so that
- H) K- q" `+ Y# k: N> configurations can be saved or easily duplicated for production volumes.
" e; N2 W$ a2 O6 B> The units should be small and compact with shielding, and able to mount
) A2 E, `+ Q# P N# l/ R% }> to a printed circuit board with header connector.
- m/ b |6 y4 H1 v7 h3 G$ r >
2 p' n0 e: R/ m" z. ]0 w > At this time, we are interested in samples of a pair of modems that
4 Q# n- \( h; i4 }9 z > might be similar to this proposed system. We do not expect that you
2 ]/ Q) i: ?! j! a9 d > provide all of these specifications at this time. I can describe our
! M# f6 @5 i; T6 b' P> immediate application needs in the next email if this project is of
& z5 T# F9 ^& X > interest to you. Perhaps you can make the samples by those
, Q9 P( {$ ^" [4 C> specifications. This will allow us to test your radios before we move
4 a, j! n3 H8 O0 f, i> forward. We are interested in your 900MHz radio to start.
@4 V. ^, V" F0 Z; d$ f
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