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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

7 U" Y+ b$ V0 l1 S6 m 客户要求如下,如果哪家工厂可以做,请和我联系
4 F3 Y' U+ e" l0 @. O" e> The application that we have in mind is similar to others that we commonly
6 k+ D# s' S% @2 x > have. If we were to pay for FCC approval, we would want to use the modem
& }& p b/ h& P+ ?& e> units in all similar applications under the same approval number.
/ @& M" k9 G/ W. `> Therefore, we would like to be able to configure the units to a specific
4 [3 G1 ~. t1 Q: Z5 \8 E0 x6 f! V > application. For the business that we do, this approach will yield more
# I/ ?! `/ ]% O$ k% g > sales based on the same product and approval. We are interested in the
& {; V! W; f; y. S2 Z# W6 [+ i > following specifications:
8 L ~1 z( ^' Q) f0 ` >
; Q% z9 g# |7 k/ W, |( Y* T > - 2 inputs at the Transmitter with three possibilities;
# n9 l* U2 v# p( L! | G$ G9 t > 2 analog
! M7 Y+ W9 ^# E > 2 digital
3 t4 f6 Y3 m2 [2 K! \$ G0 Z, T5 c > 1 analog and 1 digital
; `3 M! x& u/ H) ^>
4 y# m! S: b# w$ T* _> - 2 outputs at the Receiver with three possibilities to match inputs
% D: x- t; h; Q) {>
5 y* z m$ P% P3 B( ]4 J3 V) P8 h) L& j > - Ability to configure/define analog Transmitter input ranges through
. Z; X# W8 D6 h4 _& ]0 S6 ]& O > simple programming method to correspond with full-range analog Receiver
( K3 E4 z; J- \. O2 Q$ F Q> outputs (0 - full voltage).
0 g, O6 p+ z$ u* _, a0 L. X8 K& |$ ]2 H >
. b! ]8 H. U& i1 Q0 v: h' t> - Ability to configure and set sample rates for the inputs.
4 w! U& d) e: M D% N >
* x- x7 F) N+ C( A# O> - Digital output on Transmitter that turns on during the sampling period.
& x' F$ M5 g/ L1 n >
% d. N) \* x# `; } > - Ability to configure a power saving Sleep Mode in the Transmitter by
. a. b# m% l$ Y# h> both software control and input hardware control.
0 E7 v/ H/ I# S& g4 J# y >
! r7 x& ]7 ?# Y7 R> In order to configure the units, we would need a way to make the
2 H: R* n' ?8 c> settings. This would preferably be from a computer terminal so that
- c: ?4 g% h( s1 ~% [! k> configurations can be saved or easily duplicated for production volumes.
( p% h: r/ Y# V. B7 ?> The units should be small and compact with shielding, and able to mount
' y O5 Y+ U0 S > to a printed circuit board with header connector.
0 P6 L% Y! o8 t >
8 l _& s8 _# G. V% L> At this time, we are interested in samples of a pair of modems that
7 M, z' T( V. i > might be similar to this proposed system. We do not expect that you
# O& Q5 f% {3 d+ R- w' O$ |( A > provide all of these specifications at this time. I can describe our
: _" d, s( G" w> immediate application needs in the next email if this project is of
: R* l8 d- _% R/ p7 [2 e# m4 c> interest to you. Perhaps you can make the samples by those
: U& f6 _6 u9 u g> specifications. This will allow us to test your radios before we move
/ G# E' W' z) @$ d( ^> forward. We are interested in your 900MHz radio to start.
. D4 K" y# ~! {3 M6 [3 R
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