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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

% B# H- q! h$ o1 D2 G6 g客户要求如下,如果哪家工厂可以做,请和我联系
5 G- q$ w5 `5 q* a0 i" ? > The application that we have in mind is similar to others that we commonly
* _6 b! z1 ]) V" K' D8 Q > have. If we were to pay for FCC approval, we would want to use the modem
, p% E! @8 k/ K1 y! S7 z* x> units in all similar applications under the same approval number.
9 P6 p" V8 Z5 S+ L' [6 F> Therefore, we would like to be able to configure the units to a specific
5 [# b+ k/ W1 S/ L( U- L" [ > application. For the business that we do, this approach will yield more
2 L1 k' i4 g+ e7 d& L' g& G> sales based on the same product and approval. We are interested in the
7 i6 {; q2 E5 j6 \8 L& _! U7 Z> following specifications:
' k, H* `9 \- T: I >
7 c8 `5 i) }+ p. Z' W# |: \, d) Z> - 2 inputs at the Transmitter with three possibilities;
/ Q# e K5 ?9 h> 2 analog
5 e6 ~4 V( S$ t> 2 digital
' X- h4 E+ ~& F( U7 @> 1 analog and 1 digital
8 z6 F4 j4 n8 ?6 N >
6 d& N4 U8 }5 h3 a > - 2 outputs at the Receiver with three possibilities to match inputs
" C& D1 |, k$ s' `( o/ _6 q >
% P- w: m! D6 O! z+ O > - Ability to configure/define analog Transmitter input ranges through
4 o! T; e: z! x$ A! u, Z, l, @ > simple programming method to correspond with full-range analog Receiver
+ ]' R7 }% _6 J. j. w > outputs (0 - full voltage).
- r% \9 l$ h# E8 Y* N6 m >
2 e7 F% B9 b" g, G! P% Z > - Ability to configure and set sample rates for the inputs.
( v# {3 n* B/ o: a9 c! {+ m>
- p( S9 j3 {: M" O1 J* x5 E > - Digital output on Transmitter that turns on during the sampling period.
# e6 v* u z& q) C% P8 ^; r >
9 @9 L8 o7 v0 {! m" J# Q* l> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 v. Q8 \ _7 ]! m > both software control and input hardware control.
5 x# j- {# Y- X$ Z( I>
7 P) K4 l$ T' W" ~8 K4 I> In order to configure the units, we would need a way to make the
2 Y$ E7 Q' R3 P > settings. This would preferably be from a computer terminal so that
. z" b! N9 D1 C6 C> configurations can be saved or easily duplicated for production volumes.
& y' X, i; w0 h9 d% l# D$ A t > The units should be small and compact with shielding, and able to mount
3 ~+ W& s+ O: G. c/ q > to a printed circuit board with header connector.
6 y; \. h% A4 P/ z% t, Z >
# D1 a2 w2 S$ B! L8 Q5 F! _ > At this time, we are interested in samples of a pair of modems that
! J8 \# W1 N* P5 C, M6 h& P> might be similar to this proposed system. We do not expect that you
5 k9 U0 |3 W9 b# l > provide all of these specifications at this time. I can describe our
+ L: g# C' \9 g/ s4 v3 L> immediate application needs in the next email if this project is of
" A4 {( E2 Q ], s5 }' N > interest to you. Perhaps you can make the samples by those
/ ~9 l# @8 x$ w& `: M/ u > specifications. This will allow us to test your radios before we move
; _4 L! j! h! b$ y4 E& I8 x0 Y. g5 N > forward. We are interested in your 900MHz radio to start.
9 P; }) ~7 m3 P& K4 n9 v x' b @
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