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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

0 O7 D4 P# U& V2 k( i4 h* \) r$ T 客户要求如下,如果哪家工厂可以做,请和我联系
+ Y4 O, L0 _! l3 O > The application that we have in mind is similar to others that we commonly
. \- C6 g5 p4 V8 C> have. If we were to pay for FCC approval, we would want to use the modem
) w8 K: ^( o& j+ q> units in all similar applications under the same approval number.
" C% `' b, X+ X> Therefore, we would like to be able to configure the units to a specific
% f: ?: b' w! l0 X" k > application. For the business that we do, this approach will yield more
: e- Z: A" G5 h& P+ S; I1 C3 y& i5 J > sales based on the same product and approval. We are interested in the
' N* x7 j6 U2 `3 K) \; q* A. T' }4 D> following specifications:
7 W. L6 U; \, W ~& W8 |+ q; a5 y& N >
$ M# u2 b+ {/ {! ^8 o> - 2 inputs at the Transmitter with three possibilities;
$ v) x2 ^* X" D9 t4 \- I! T+ g > 2 analog
5 y* y9 s0 D9 ]% a' \& v > 2 digital
0 c8 g! j4 j6 P" N. ^, e( p> 1 analog and 1 digital
5 h: z. \2 F9 T) }: v >
+ z2 v1 k, P; J, w, T > - 2 outputs at the Receiver with three possibilities to match inputs
6 [" v, v" ^3 c>
# S7 R. x7 B! _) ], a$ U> - Ability to configure/define analog Transmitter input ranges through
, Q; N3 K* I9 s9 Q) w5 F> simple programming method to correspond with full-range analog Receiver
v1 M% ~) ~' \9 r$ d ?* u> outputs (0 - full voltage).
3 H( A# C( H. T, J/ ? >
* G2 A" A8 P, O# X" I' z > - Ability to configure and set sample rates for the inputs.
0 g; o, i; x7 G+ o9 k& }. d >
0 e! k' P4 g8 r9 q+ j4 _> - Digital output on Transmitter that turns on during the sampling period.
5 r$ C& ?; m2 x: m- Q>
4 _3 L9 H! i; |; r5 n# k" u3 L- S > - Ability to configure a power saving Sleep Mode in the Transmitter by
7 M# c3 @# d7 Q v > both software control and input hardware control.
4 F/ u9 m: M/ [>
% F: Q% L, D1 L( O) y$ d: l i > In order to configure the units, we would need a way to make the
9 }( G Q! q( k$ G+ v9 I> settings. This would preferably be from a computer terminal so that
8 q4 v5 i2 F- ^> configurations can be saved or easily duplicated for production volumes.
) t+ g/ @7 Z$ L/ ~+ f > The units should be small and compact with shielding, and able to mount
# R: d, F7 f2 w7 B6 N* C7 I > to a printed circuit board with header connector.
# D j0 w- S& p- p o$ ]: m >
" p# w8 y; @9 d > At this time, we are interested in samples of a pair of modems that
* C! i& G! r" E! P! X/ z7 S > might be similar to this proposed system. We do not expect that you
) W$ n- W1 }2 A- O > provide all of these specifications at this time. I can describe our
! J$ N: u! a( ^/ E+ i > immediate application needs in the next email if this project is of
8 \" |+ @. D# P7 w3 Z# Z> interest to you. Perhaps you can make the samples by those
6 V. l2 Q$ ~% h+ ]2 K) `7 Q% C$ K> specifications. This will allow us to test your radios before we move
1 ~- L8 b" M+ O- ?: y8 u6 u( W( p > forward. We are interested in your 900MHz radio to start.
6 x1 x3 A4 P( e& s7 `. O7 G
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