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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

% l+ |. w' E5 R 客户要求如下,如果哪家工厂可以做,请和我联系
& b9 U$ Y2 w( ^. a$ z> The application that we have in mind is similar to others that we commonly
. `" Z! O4 p4 f- n) B3 N8 q, Q > have. If we were to pay for FCC approval, we would want to use the modem
* }4 `/ S4 [: X# o > units in all similar applications under the same approval number.
0 J$ k K' P" X% ~7 f: s- i6 n > Therefore, we would like to be able to configure the units to a specific
$ i4 S1 B* j' k: P > application. For the business that we do, this approach will yield more
. E9 j' I1 t3 d) J( U > sales based on the same product and approval. We are interested in the
5 Z# H" E. }: M+ N9 a6 c0 I> following specifications:
; j) l% ?/ Z8 v$ Y# g* S>
1 \+ `# r! f$ c& g > - 2 inputs at the Transmitter with three possibilities;
" V; O9 ]0 q6 n& n: x > 2 analog
# M8 T4 x, Y5 E/ O- i> 2 digital
" X3 Z: I% [6 X$ I, |: {> 1 analog and 1 digital
& b( B3 T" i( d: l$ X* R0 w >
1 D7 M; p. f( D, O" H. z > - 2 outputs at the Receiver with three possibilities to match inputs
( y2 M. I- _2 V$ `9 R$ r0 O>
! w6 j* W& m2 G N% p> - Ability to configure/define analog Transmitter input ranges through
" z& I/ \' R3 P6 b2 h& D$ R0 H > simple programming method to correspond with full-range analog Receiver
( R4 D9 d+ w3 Q5 B A > outputs (0 - full voltage).
/ _1 c* v4 c' F% o3 t >
5 `/ X5 u9 z. g+ n5 s7 [2 f > - Ability to configure and set sample rates for the inputs.
0 ?1 h6 F# B+ E# m9 u1 w>
' ^4 o% j, j- G) U. y> - Digital output on Transmitter that turns on during the sampling period.
1 T" n# X _; u& q>
9 a- P2 Z( q$ A" Z6 x > - Ability to configure a power saving Sleep Mode in the Transmitter by
n% O* W4 A, {8 Z) ]6 Y# t > both software control and input hardware control.
$ p0 \3 y' n+ o! Y H>
) B% z1 S* n9 R$ M4 }- ]' j& M > In order to configure the units, we would need a way to make the
/ `7 J1 [3 ?9 ~' L, H% p* r> settings. This would preferably be from a computer terminal so that
) w/ V. l. _6 n! F8 I4 ~ > configurations can be saved or easily duplicated for production volumes.
4 L7 [2 }6 ^6 s! e: K+ A> The units should be small and compact with shielding, and able to mount
' b3 b# _7 V7 T+ @1 o) Q5 l > to a printed circuit board with header connector.
$ ^' e1 R, n5 o9 S/ q4 b. G" a: i- m >
5 p- K& V! \* ^% x > At this time, we are interested in samples of a pair of modems that
4 K& ~6 Q7 g ]( q# W> might be similar to this proposed system. We do not expect that you
" c3 [; l' h% d& G' M$ I) w7 v> provide all of these specifications at this time. I can describe our
; i8 o, Y2 |. ?* M9 I( @1 R9 l e> immediate application needs in the next email if this project is of
g; [* J2 P' ~- a8 a4 F& ] > interest to you. Perhaps you can make the samples by those
: F6 g0 v+ b( Z! Q! H6 }' X" L; O> specifications. This will allow us to test your radios before we move
: O, z9 `& M' e/ L4 V > forward. We are interested in your 900MHz radio to start.
7 N |$ J. T4 k. E
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