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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

! U: N/ ~" t$ M$ O3 n6 Q$ O 客户要求如下,如果哪家工厂可以做,请和我联系
" X& @, N/ {, W/ J/ |6 J1 |, U > The application that we have in mind is similar to others that we commonly
8 s3 h7 w$ Y6 P! o2 x4 a. \ > have. If we were to pay for FCC approval, we would want to use the modem
$ E- h7 [: c' U: i> units in all similar applications under the same approval number.
2 t& S/ _7 v# b> Therefore, we would like to be able to configure the units to a specific
; M. V1 M' I0 C2 s) F# t; B& R> application. For the business that we do, this approach will yield more
) {+ j& d+ @% V- T9 X> sales based on the same product and approval. We are interested in the
# `1 e& f2 K4 i o4 P8 D> following specifications:
1 W# Q4 b6 D- R+ E9 W+ U7 ?) c% } >
9 q: i* _$ o" b+ N7 F A1 G> - 2 inputs at the Transmitter with three possibilities;
/ \8 k2 v: M, [0 p9 r > 2 analog
- A, r6 R9 U+ @/ }1 e. P! H7 @ > 2 digital
2 y& i) }3 h! f9 C3 `> 1 analog and 1 digital
2 l [% p' m) B, J* ^0 ]>
: T- ~7 c) M* P/ Q! A# f& k > - 2 outputs at the Receiver with three possibilities to match inputs
! B4 n9 S, I" f>
/ r* _; r. t4 P& _5 v1 p. z5 e > - Ability to configure/define analog Transmitter input ranges through
0 B. l1 V5 b9 e6 W2 V& Q$ d+ V> simple programming method to correspond with full-range analog Receiver
2 s6 s( y. e% `# e" F) ^# \8 x0 s > outputs (0 - full voltage).
9 h( w* I1 x. S6 Q3 \6 t- ^>
& \! d, H l- y) _0 J T; f: P> - Ability to configure and set sample rates for the inputs.
C" R) @7 X8 V$ z4 x1 U >
: w! F# \$ @: n: F > - Digital output on Transmitter that turns on during the sampling period.
3 O4 h( f0 y5 w0 t0 |3 i0 g6 `>
& g; @9 X+ Z* ^6 w$ ^ > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 i, N9 u9 W5 s& F> both software control and input hardware control.
( Z3 A! ^7 s8 F2 f, ~* J>
& l4 k# F0 _# j3 H > In order to configure the units, we would need a way to make the
# E( c( @' j8 O; ~" f* x6 g8 O > settings. This would preferably be from a computer terminal so that
1 `4 d! g1 n* x7 R > configurations can be saved or easily duplicated for production volumes.
7 O4 t! S* x" F4 p > The units should be small and compact with shielding, and able to mount
( S9 l5 l8 Q. ~- Y1 ]5 H, E& z- d7 g > to a printed circuit board with header connector.
2 c& W: Z: s, f# o >
. {4 U' I' d4 \> At this time, we are interested in samples of a pair of modems that
6 t, R ]* j j> might be similar to this proposed system. We do not expect that you
. |! ^: _1 I7 \4 P5 \> provide all of these specifications at this time. I can describe our
4 B" f5 G$ G& X5 N9 E/ p > immediate application needs in the next email if this project is of
# p$ }- [* N# }$ @1 } > interest to you. Perhaps you can make the samples by those
7 Q. l6 a. Y; X# p% ]% |> specifications. This will allow us to test your radios before we move
7 y0 Z1 P# p+ M, V' t. z > forward. We are interested in your 900MHz radio to start.
$ q/ S3 J1 N/ q
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