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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

n; l4 _& e+ r* d3 Q 客户要求如下,如果哪家工厂可以做,请和我联系
* m. @" Q* t5 y > The application that we have in mind is similar to others that we commonly
3 ^+ r' A2 \+ |6 w# I/ [3 x8 N5 t> have. If we were to pay for FCC approval, we would want to use the modem
) s# U) K7 t$ R" Q( B> units in all similar applications under the same approval number.
# A' m) g; V* y6 t- {) v > Therefore, we would like to be able to configure the units to a specific
' K! j- [7 w: s, V8 N9 I > application. For the business that we do, this approach will yield more
) b, n. I$ G! H) t > sales based on the same product and approval. We are interested in the
% Y! b3 S( X0 ^ B" |. {2 J3 ` > following specifications:
5 O9 d$ b5 y8 D$ c, ~>
1 |: o9 V/ V. _* q# s0 K3 ^' H> - 2 inputs at the Transmitter with three possibilities;
3 Z' ^( y- T4 V$ m> 2 analog
% s# P# D9 M2 P; Q( q: P2 ~1 I; }+ v8 P$ C > 2 digital
$ f; _8 e! Y& E" h; L > 1 analog and 1 digital
5 o1 S3 I" W: F, m- s>
/ `/ t' _/ q4 [ > - 2 outputs at the Receiver with three possibilities to match inputs
6 h+ [- ^0 p; E >
: W% I0 F2 a+ f8 T3 K > - Ability to configure/define analog Transmitter input ranges through
4 f, U' }8 W1 f: X: g4 e) N- h > simple programming method to correspond with full-range analog Receiver
X e4 J- |; U. {> outputs (0 - full voltage).
$ H* _9 V) K8 K( H3 `" C- q2 b>
$ \) z: B9 f3 z9 w > - Ability to configure and set sample rates for the inputs.
& h e5 `# S% k# z* b* J>
* e1 F- Z1 l! ~: S ` > - Digital output on Transmitter that turns on during the sampling period.
# O+ K& X$ O1 k4 R8 s >
7 @/ ?$ }) @1 K! S, N8 j% Z$ k > - Ability to configure a power saving Sleep Mode in the Transmitter by
' w3 }* T5 Y- w2 R% I1 P) W/ \ > both software control and input hardware control.
7 b1 }0 Q$ h# \2 N7 T>
2 S. X: e2 |3 K9 F> In order to configure the units, we would need a way to make the
! X+ E$ g8 G2 q$ n+ m. d> settings. This would preferably be from a computer terminal so that
( K) g' l9 n( s > configurations can be saved or easily duplicated for production volumes.
# W; d, _) M- d# T > The units should be small and compact with shielding, and able to mount
5 z* U) w/ |& D2 v0 W- r/ C% i1 Q) } > to a printed circuit board with header connector.
2 J: v- H3 h1 P6 Y7 r2 |, ~ >
0 F0 b1 ~! w4 f; W# z/ _ > At this time, we are interested in samples of a pair of modems that
0 c6 Y$ g0 X/ l- u7 I> might be similar to this proposed system. We do not expect that you
6 p0 [# [* f8 D5 G3 s6 ]+ o > provide all of these specifications at this time. I can describe our
3 e4 P' P; G' [3 h: k- x> immediate application needs in the next email if this project is of
" B) I+ S* s2 S6 T. p: ?8 F+ E > interest to you. Perhaps you can make the samples by those
\: O8 k/ u/ d> specifications. This will allow us to test your radios before we move
q1 g& N3 e9 [, @ > forward. We are interested in your 900MHz radio to start.
8 w2 e6 {$ a! @
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