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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

1 J0 ?/ h3 X$ F客户要求如下,如果哪家工厂可以做,请和我联系
0 Y t+ G+ U6 g" ^- C > The application that we have in mind is similar to others that we commonly
; o0 I1 o- x2 v: \. G: Y% M9 a > have. If we were to pay for FCC approval, we would want to use the modem
. T, W) ~0 G& e) S4 s. x- u% s> units in all similar applications under the same approval number.
9 C7 P! t/ z x- A8 V! p > Therefore, we would like to be able to configure the units to a specific
. Z6 ?" N8 O8 q5 h$ K! a > application. For the business that we do, this approach will yield more
4 c# K8 z& V! r& N, ?> sales based on the same product and approval. We are interested in the
: Y% l" X+ o$ @ > following specifications:
0 ~4 N9 e, U1 c2 [5 i L. B L >
B. H% @$ U4 d9 k) K> - 2 inputs at the Transmitter with three possibilities;
, Z# @- X+ {" j% w, I p> 2 analog
1 D4 x8 L5 g3 |; M: }" s, C > 2 digital
5 G: |, ]+ N" s" J; W' z/ F: K6 o1 b > 1 analog and 1 digital
5 u0 U+ C' O, M>
! s' N# S# E; Z" D. m, O( P, ~ > - 2 outputs at the Receiver with three possibilities to match inputs
" R8 E, ]2 S3 m! I! @! R >
5 \/ Y' J e1 |/ q) H> - Ability to configure/define analog Transmitter input ranges through
. W7 f/ V2 k. _5 F1 d8 W> simple programming method to correspond with full-range analog Receiver
. u4 c% |! |8 S+ f; O& T: U5 q/ f- q> outputs (0 - full voltage).
) z: V. P7 `* ]2 V* M4 _0 i >
( k; {* N6 b3 Y7 O! V> - Ability to configure and set sample rates for the inputs.
/ }5 P/ {! | a3 ?, b- V# W2 n>
: W3 Z; E8 o9 m > - Digital output on Transmitter that turns on during the sampling period.
$ A- W0 M' D; V" F% P$ ^& O >
, Y4 y, S3 x* p( x( |3 H! ~& ~ > - Ability to configure a power saving Sleep Mode in the Transmitter by
1 u# ^6 K2 Q0 v& D+ _( X6 f > both software control and input hardware control.
& s: g! w+ E. N" X- @ >
, J# P5 L. J9 l c4 j3 a0 F0 g! S4 b > In order to configure the units, we would need a way to make the
+ K9 `. p) _* u9 z8 u6 C8 g > settings. This would preferably be from a computer terminal so that
: Q$ b; A8 g2 D0 i4 C0 `1 A5 u> configurations can be saved or easily duplicated for production volumes.
% `8 a0 g0 H0 U9 o; T3 U# x# w2 t> The units should be small and compact with shielding, and able to mount
9 x2 M) _, {8 h4 S, L, @> to a printed circuit board with header connector.
0 q% {0 ]' B6 T0 A3 M# \7 @# o5 u; t >
# N5 {5 A' E3 r$ t9 L > At this time, we are interested in samples of a pair of modems that
$ S1 @% I$ w6 l" q8 K0 \2 e* d> might be similar to this proposed system. We do not expect that you
3 N9 q$ {/ n- }! i' Z > provide all of these specifications at this time. I can describe our
/ H7 Y0 c+ [/ F. U3 Z> immediate application needs in the next email if this project is of
0 c4 k/ C: _. q! l+ t: i* i > interest to you. Perhaps you can make the samples by those
. f) {8 W0 B9 e) Z: V) c > specifications. This will allow us to test your radios before we move
% |2 y! K# I# \ X > forward. We are interested in your 900MHz radio to start.
' q# w; M1 v) `& ^6 C! G
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