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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

4 y: P4 C2 B7 R- l m客户要求如下,如果哪家工厂可以做,请和我联系
6 Z. n3 X0 V' S9 R> The application that we have in mind is similar to others that we commonly
8 D, _2 v9 _% L8 }3 G1 i( }* u" Z > have. If we were to pay for FCC approval, we would want to use the modem
3 r# w1 [ U6 u, K I' ?( J) c> units in all similar applications under the same approval number.
2 I( C$ {+ A1 }- \* l> Therefore, we would like to be able to configure the units to a specific
( z4 j% \7 o$ ]2 d! _ > application. For the business that we do, this approach will yield more
- n( N) J* L5 W# c- ?> sales based on the same product and approval. We are interested in the
" g7 J1 i1 a; w5 q. y> following specifications:
, w4 W( V' p Z8 [; D5 [1 A>
9 F* L2 I3 z1 b" B: d> - 2 inputs at the Transmitter with three possibilities;
5 e% O4 C! i5 {$ ?* ~> 2 analog
+ f9 L' C) Y2 q' I: Q; Z5 J. y > 2 digital
+ K& B G; O1 _4 J6 L! y& H> 1 analog and 1 digital
! h; H4 x4 Q5 V >
$ L' Z$ k# d7 _4 ^! ?: K2 W; b: j > - 2 outputs at the Receiver with three possibilities to match inputs
0 y1 o1 U7 J9 J( N( n>
6 K3 R# p i. r > - Ability to configure/define analog Transmitter input ranges through
% } c: t/ g" T2 y" Y> simple programming method to correspond with full-range analog Receiver
. J) j+ e7 f \- Z1 j> outputs (0 - full voltage).
/ ^( e5 \2 U c* C0 I0 B >
: P% C" L! O& P4 `' [0 ^> - Ability to configure and set sample rates for the inputs.
- R' q2 }4 {# C8 }>
& {+ S3 J' n' {$ {3 m> - Digital output on Transmitter that turns on during the sampling period.
! X& j8 @% a) }8 G >
$ X4 P6 _" X& q7 z9 m" D$ R ^ > - Ability to configure a power saving Sleep Mode in the Transmitter by
- m+ Y7 v! b# s0 Q1 r+ u > both software control and input hardware control.
9 n+ o Y: P8 J0 D>
0 t# `; w, w) P- R- y> In order to configure the units, we would need a way to make the
1 @! Z0 h5 u, D) x> settings. This would preferably be from a computer terminal so that
! ^9 Z; t# f& L > configurations can be saved or easily duplicated for production volumes.
4 b) n0 U" P4 s5 s, q, N9 f& U > The units should be small and compact with shielding, and able to mount
. a2 K" q( j3 i' f8 V3 m > to a printed circuit board with header connector.
a3 n! }7 f9 E4 b >
) n+ b. ?3 I. }- B > At this time, we are interested in samples of a pair of modems that
8 d1 H. R: w! c5 n: V% N! t> might be similar to this proposed system. We do not expect that you
& ^/ {: w& g w2 Z, n% V& i > provide all of these specifications at this time. I can describe our
9 M2 Y c n# R > immediate application needs in the next email if this project is of
/ B% ?6 V& V- ^+ P& t> interest to you. Perhaps you can make the samples by those
. X, K9 h. X; B) w > specifications. This will allow us to test your radios before we move
% j; p3 ~ F4 s! v5 l. o0 e# a5 ] z> forward. We are interested in your 900MHz radio to start.
+ f* K, u* ?+ G1 o6 u
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