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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

: H% e& ~1 D: Y 客户要求如下,如果哪家工厂可以做,请和我联系
1 {) v6 W% i- {; Y" J6 ~> The application that we have in mind is similar to others that we commonly
( J! p7 b% T5 ]! Z1 l > have. If we were to pay for FCC approval, we would want to use the modem
3 f( m! l$ V- N! c/ y > units in all similar applications under the same approval number.
/ g: k8 q2 L7 V1 i) L4 _> Therefore, we would like to be able to configure the units to a specific
( z! d6 V' d& o$ R, g> application. For the business that we do, this approach will yield more
. o" e$ m. E! o$ R. ]3 ` > sales based on the same product and approval. We are interested in the
" ]0 e: Q- {! f: j" C> following specifications:
- {; ~; M9 z' ], A- j x/ F3 k. i >
8 q3 {* @; e8 T7 i/ M/ S1 m$ N > - 2 inputs at the Transmitter with three possibilities;
0 W5 t" X* U0 |5 M> 2 analog
( ^6 z5 a+ s" s) I > 2 digital
* m& L! U, O5 k" A% L> 1 analog and 1 digital
% J) m- ~: F9 M9 n! A2 V >
e$ q1 X1 ~& n9 j% p. G> - 2 outputs at the Receiver with three possibilities to match inputs
* C3 m/ A0 m/ } >
& S s1 m7 R! X( ?, ` > - Ability to configure/define analog Transmitter input ranges through
( [! t' Z" l) D4 B7 Y o8 {( g> simple programming method to correspond with full-range analog Receiver
h6 L4 f% f9 i3 X& Z9 ]: X9 O# j+ Y> outputs (0 - full voltage).
: T, W3 q: A* c1 C >
! F4 z$ v* V( c# I$ ^> - Ability to configure and set sample rates for the inputs.
- h2 c& A2 e Q >
& f+ \9 P0 \0 q* V. I' S > - Digital output on Transmitter that turns on during the sampling period.
( m" w! i3 h, z! u3 Z# \) d+ v>
* ]2 V- a T. {& p" ?3 {> - Ability to configure a power saving Sleep Mode in the Transmitter by
& _: ~9 ]* } N% M! G# T > both software control and input hardware control.
% o J: Q" D. w9 i' n8 d >
) A8 R# ], n* W+ ]; h1 u> In order to configure the units, we would need a way to make the
1 W/ M. @: j5 m" B0 d > settings. This would preferably be from a computer terminal so that
8 d6 P7 Y6 E, E$ l& | > configurations can be saved or easily duplicated for production volumes.
% u; {; A# w" h6 \/ s! r> The units should be small and compact with shielding, and able to mount
9 X! B' |$ U; A9 J" e > to a printed circuit board with header connector.
0 m6 J, T, `% _8 ? n8 x5 g>
+ l, o2 w; ~4 |: `, E6 m$ s> At this time, we are interested in samples of a pair of modems that
* v/ T0 }) ]/ Y6 z+ D1 p; l, A0 U! \, W> might be similar to this proposed system. We do not expect that you
, U2 B1 k4 ]: C) c9 X" U W > provide all of these specifications at this time. I can describe our
* H7 s# W! J$ G/ r> immediate application needs in the next email if this project is of
3 U U! P; e% o+ D> interest to you. Perhaps you can make the samples by those
6 J/ k! w( y; o- {> specifications. This will allow us to test your radios before we move
- z2 u( a$ k3 B* T1 b > forward. We are interested in your 900MHz radio to start.
8 W$ j' g1 }2 W$ x
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