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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

5 X6 v/ m0 Q$ k4 ~9 w d客户要求如下,如果哪家工厂可以做,请和我联系
5 G v* A% @. u& q: | > The application that we have in mind is similar to others that we commonly
! |% t4 @2 d k) W+ f5 {! I* B" z > have. If we were to pay for FCC approval, we would want to use the modem
! Y& z6 G0 C8 u: ~4 W0 X> units in all similar applications under the same approval number.
1 W2 k) a! |/ {' Q# U > Therefore, we would like to be able to configure the units to a specific
: d4 ?: R+ _. N) s, I > application. For the business that we do, this approach will yield more
9 T6 ^8 H% V8 N" ?% V+ y- y> sales based on the same product and approval. We are interested in the
% c, n/ j! R8 i [$ E0 @# y > following specifications:
4 B1 L) L* Q1 B >
3 e$ W' q8 [- P4 e5 ~5 q2 m > - 2 inputs at the Transmitter with three possibilities;
* R, O) @; D8 {; i3 K1 x P > 2 analog
9 a% r9 Q- L d1 {% h > 2 digital
5 ^% Q0 R3 ~1 p2 {7 } > 1 analog and 1 digital
* P$ @( o$ x O, S" Q$ T >
, J! Q3 n. {5 g9 f/ L$ Y" J# P > - 2 outputs at the Receiver with three possibilities to match inputs
2 @$ Q n. f( t: H( f, t! e>
. S! X# t, B- }$ r: O8 h. O8 d > - Ability to configure/define analog Transmitter input ranges through
6 H; [1 K+ _. L4 d; P \> simple programming method to correspond with full-range analog Receiver
' |. G; a7 o- v3 ?- t' i: S > outputs (0 - full voltage).
O/ A2 o4 A0 l* p >
+ m' R$ w" u. M+ Z5 S; s8 c, h > - Ability to configure and set sample rates for the inputs.
1 x+ J& G: h7 ~$ g4 g0 U>
# `, T# K# A! G" y> - Digital output on Transmitter that turns on during the sampling period.
. s9 O6 a( K6 D/ z/ W>
# W7 y3 b$ N5 j+ S8 c! ]> - Ability to configure a power saving Sleep Mode in the Transmitter by
( U, _& K4 D8 G$ m# H$ M > both software control and input hardware control.
) p, Z% S/ h3 O. j >
b5 _% j! l; @- c9 G9 u> In order to configure the units, we would need a way to make the
# g; P- x- |# M( G# b8 s> settings. This would preferably be from a computer terminal so that
) @- q* t% ]& ~& t* Z2 E& h! ]1 M$ D> configurations can be saved or easily duplicated for production volumes.
3 D$ S$ @/ x3 E6 v1 {1 ]2 C> The units should be small and compact with shielding, and able to mount
- s% C* ^0 `( J2 O* z0 b > to a printed circuit board with header connector.
% D1 n6 M1 U- y O3 u >
, G6 d2 w+ V+ u5 P > At this time, we are interested in samples of a pair of modems that
: o& V; d9 J4 s" } > might be similar to this proposed system. We do not expect that you
7 k' x2 o9 F2 \: s) h1 O > provide all of these specifications at this time. I can describe our
: B7 W. P) W: b0 p6 Z" h> immediate application needs in the next email if this project is of
& e; Z1 W3 t2 e > interest to you. Perhaps you can make the samples by those
2 D. b: C5 X2 ~! ^4 r> specifications. This will allow us to test your radios before we move
: Q6 Q% } ?; V2 V' k7 Z; l& z > forward. We are interested in your 900MHz radio to start.
; c- N! T" t5 F5 Y0 \3 Y' l1 {0 i, M
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