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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

' w" S8 ~$ _' s: f1 j 客户要求如下,如果哪家工厂可以做,请和我联系
9 T1 p1 G. _3 Q+ i$ J8 a3 ]> The application that we have in mind is similar to others that we commonly
& t4 r+ S2 V6 g' X i: O+ C> have. If we were to pay for FCC approval, we would want to use the modem
- t) F! u$ X! s4 V > units in all similar applications under the same approval number.
/ b& b8 D+ q/ `/ F' v4 N- S% {- x2 e> Therefore, we would like to be able to configure the units to a specific
1 W6 j V3 o6 x7 f/ @) E, T6 Y> application. For the business that we do, this approach will yield more
; h' j6 A% x8 k> sales based on the same product and approval. We are interested in the
, W' |0 T/ K* J7 V" i" ~$ c, n > following specifications:
' q7 L; l" g. V) ^. f>
I$ q- t+ U d7 W* E2 m; P > - 2 inputs at the Transmitter with three possibilities;
: _* H) j' W5 ~& U8 n. \ > 2 analog
+ l3 P+ X( ~9 T0 u2 k3 ` > 2 digital
: i4 b" L3 [+ l > 1 analog and 1 digital
" C7 e% ?! Y! g. \& t>
3 ]: p& K. i# S2 d > - 2 outputs at the Receiver with three possibilities to match inputs
, G8 G( } c, [. j3 w# f6 o8 c >
# g; G+ q2 C7 [5 M6 G+ _1 k9 M) b8 A> - Ability to configure/define analog Transmitter input ranges through
+ W* a5 ]# }6 f6 Q6 O! D6 @6 P > simple programming method to correspond with full-range analog Receiver
. e2 r* K* D1 G9 g > outputs (0 - full voltage).
- r' j. W( ~, Q5 k; F >
# t- B ~ ?! t4 q2 P8 a+ B( z( C > - Ability to configure and set sample rates for the inputs.
- X% g" H- X& t( C' n>
Y/ U/ g& @; A+ M! s) Y) W6 j > - Digital output on Transmitter that turns on during the sampling period.
$ {) U9 _' P* e! y, o \>
- G0 E/ Z3 b4 S/ L- ?/ B> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 _& U: k7 d+ l0 _) M- W: G> both software control and input hardware control.
9 e/ V. Q/ x8 w7 d! w6 ^3 A3 j9 E >
( ~8 ?- k) Z$ Q, ~+ O6 j> In order to configure the units, we would need a way to make the
; { ?" D2 Y* }! t! T > settings. This would preferably be from a computer terminal so that
5 |6 m8 }) Y" F& c/ O" I6 J" ~! I > configurations can be saved or easily duplicated for production volumes.
$ U+ G8 |3 p; {0 X" Z> The units should be small and compact with shielding, and able to mount
/ k/ _# y! q# M- I; t > to a printed circuit board with header connector.
, g7 E8 }9 t0 E0 j d>
; ?3 l# A( Z* q7 @4 s > At this time, we are interested in samples of a pair of modems that
+ k P) j6 f5 z0 ~> might be similar to this proposed system. We do not expect that you
/ |8 v7 R" D. P( n! l> provide all of these specifications at this time. I can describe our
+ O& |# s- E: G3 S# z% m7 v1 K& o: t0 G > immediate application needs in the next email if this project is of
|! C: {7 S& V > interest to you. Perhaps you can make the samples by those
' r3 [3 ?: ~5 v: [/ _( M% V! [) s* `> specifications. This will allow us to test your radios before we move
( T7 r, b8 S; H" U > forward. We are interested in your 900MHz radio to start.
$ \; Q' L# R/ q; V% B! N# q& c$ u" _
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