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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

6 [& q1 \6 P7 M3 }3 l 客户要求如下,如果哪家工厂可以做,请和我联系
. m4 q# @: \. D8 O3 R1 g: { w> The application that we have in mind is similar to others that we commonly
4 ?* q1 G, ^6 [8 Q: a: J6 i > have. If we were to pay for FCC approval, we would want to use the modem
' A( [7 t- m0 w> units in all similar applications under the same approval number.
: H" N' y8 m* N0 I; l; C3 D. B > Therefore, we would like to be able to configure the units to a specific
' }$ I7 V$ J5 Q. n4 q4 o> application. For the business that we do, this approach will yield more
3 b0 S) a7 R1 T$ _3 r > sales based on the same product and approval. We are interested in the
6 ` }& M% P9 O8 h > following specifications:
$ L" ~( g! \/ j3 c% W- L# V>
' ?. `9 J% B7 Z- S > - 2 inputs at the Transmitter with three possibilities;
, p, @8 J' k+ ^, p > 2 analog
* _& F" v6 ~2 Z# x3 N> 2 digital
% {$ Y' m. L$ p/ [4 e> 1 analog and 1 digital
# `1 x8 j6 k k! u& I8 I0 c >
: R& i' o3 Z$ O7 ?> - 2 outputs at the Receiver with three possibilities to match inputs
. X. d, w5 H% L1 `1 ^1 o; S>
3 G( T8 d9 T; k% g3 S* R > - Ability to configure/define analog Transmitter input ranges through
9 o' L: S0 _; z: T% d > simple programming method to correspond with full-range analog Receiver
- m9 S5 h5 a3 p4 d, Z > outputs (0 - full voltage).
- a, E: b+ X7 Z. s >
- O J$ S7 }# e" e9 d > - Ability to configure and set sample rates for the inputs.
% l' z2 r/ F9 U>
/ {. f$ t' U+ \5 a' \' T0 ^ > - Digital output on Transmitter that turns on during the sampling period.
8 i9 J& {! [$ ^$ U" D>
( [5 r5 p& t& j$ I' x' P > - Ability to configure a power saving Sleep Mode in the Transmitter by
. ^3 f$ V* l9 N `5 ]: P, g > both software control and input hardware control.
6 z0 w$ Q+ b* E1 C* _6 W" p5 B>
; X) h& n8 _8 v( T) v! |: P" S( @> In order to configure the units, we would need a way to make the
; l1 c9 ? [2 l+ S% n3 Q Z > settings. This would preferably be from a computer terminal so that
0 {9 I: E8 H1 s* G> configurations can be saved or easily duplicated for production volumes.
$ j2 Y$ Q5 W4 q > The units should be small and compact with shielding, and able to mount
* R# M. b. H, K" F+ e. f: G > to a printed circuit board with header connector.
) ], P% m( r' _% r>
$ p% W( J- j( K> At this time, we are interested in samples of a pair of modems that
! ?( n% ^1 ]" ]. |) k% c> might be similar to this proposed system. We do not expect that you
: x5 c. M" g2 S: P: P. _. _+ {3 o, x > provide all of these specifications at this time. I can describe our
$ O# \+ ?4 N8 C. ~5 Q) ] > immediate application needs in the next email if this project is of
, r3 r! ^& l \" l- ~( w* r> interest to you. Perhaps you can make the samples by those
5 Q$ t {3 e. a, K( |# C> specifications. This will allow us to test your radios before we move
# W. \! S. B+ g4 q > forward. We are interested in your 900MHz radio to start.
1 w! v1 ^* }0 K& V( j* x9 ]3 N. f
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