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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

+ y J, _, e% d+ c ^/ C客户要求如下,如果哪家工厂可以做,请和我联系
0 d. O$ Q! h7 z% ~0 B > The application that we have in mind is similar to others that we commonly
, \) j& ], ?6 N1 O2 _$ I; X > have. If we were to pay for FCC approval, we would want to use the modem
4 @& a( L: C0 q& z> units in all similar applications under the same approval number.
5 M9 K# E- W/ V# H > Therefore, we would like to be able to configure the units to a specific
$ J0 Y4 k" j/ H! F > application. For the business that we do, this approach will yield more
% U- N' o, f G. ]8 t/ F> sales based on the same product and approval. We are interested in the
. w# A8 W' i2 K! N > following specifications:
+ q! g/ @' K% {' ]& _9 `' d3 R>
& K8 J4 ~% m9 j! s > - 2 inputs at the Transmitter with three possibilities;
) i) w- E; ^ { Y/ a8 P e. a5 s: C > 2 analog
( `- ?% [, v; p+ W> 2 digital
U$ V: }+ @/ ?0 y- |4 J1 Z! N > 1 analog and 1 digital
- R5 m! H0 t' b3 n7 q4 k3 w>
" I5 P5 J7 m' f* X, N; | > - 2 outputs at the Receiver with three possibilities to match inputs
: v5 Q; u9 ?8 k& W>
& ^9 ?/ T* h9 Z+ Q> - Ability to configure/define analog Transmitter input ranges through
6 [ B' h( h2 I1 k! k9 m0 E > simple programming method to correspond with full-range analog Receiver
5 N' q; }3 R5 c1 i2 m4 N0 }) |> outputs (0 - full voltage).
; c/ g6 X, ]! t. u>
B g' `* Q6 i+ o7 @> - Ability to configure and set sample rates for the inputs.
4 F& L1 X: e' _# B >
# {, \# Q3 i/ r$ z > - Digital output on Transmitter that turns on during the sampling period.
: |6 j2 |( z8 H>
2 r/ a6 v; d6 Q2 @( Z' x# O, w > - Ability to configure a power saving Sleep Mode in the Transmitter by
o; Y8 c6 {* U s > both software control and input hardware control.
8 r L# v; `( l/ o( G7 q2 g >
9 \: Z, ~1 w& ^3 e > In order to configure the units, we would need a way to make the
- j2 s, i) [3 e( O4 \9 ^0 ^4 ?& Y> settings. This would preferably be from a computer terminal so that
6 V* J# r& w- G+ Z2 g4 b: A! V> configurations can be saved or easily duplicated for production volumes.
0 h5 u9 k# P/ z4 E2 `> The units should be small and compact with shielding, and able to mount
: w, }& v3 h0 E > to a printed circuit board with header connector.
5 W! z5 q t; _) E >
) G" p+ N/ {1 w > At this time, we are interested in samples of a pair of modems that
, f9 H# l, \; d, z x> might be similar to this proposed system. We do not expect that you
8 q J! Z5 _8 h A! \4 ~$ V > provide all of these specifications at this time. I can describe our
9 I. h1 g8 T5 G> immediate application needs in the next email if this project is of
9 f3 V$ j7 R7 ` > interest to you. Perhaps you can make the samples by those
: V. q: Z) P: w. m2 W5 M3 W) ~# h > specifications. This will allow us to test your radios before we move
7 J" Z- C9 J2 l+ u3 e > forward. We are interested in your 900MHz radio to start.
& d1 Y* e# n" |0 U
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