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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 }, y) ^; K: h. f' R 客户要求如下,如果哪家工厂可以做,请和我联系
, o9 |# ~1 F* ?6 q/ Y( N1 U > The application that we have in mind is similar to others that we commonly
7 H3 ~: z" F. A( h; d" n' j7 j > have. If we were to pay for FCC approval, we would want to use the modem
) }% p. C' [6 ?1 H0 Z > units in all similar applications under the same approval number.
: I4 b' A+ u% k2 X- v/ g > Therefore, we would like to be able to configure the units to a specific
: {- W7 A- `. G* S > application. For the business that we do, this approach will yield more
1 `1 I$ I7 Z! r5 `) j> sales based on the same product and approval. We are interested in the
9 Q+ W+ h9 }/ f: a& z [ l& D> following specifications:
P9 ~ r5 F0 s6 i B9 { >
* r: b3 K0 \# V( A > - 2 inputs at the Transmitter with three possibilities;
6 D% R( H. g$ t; S3 {5 _# f2 @ > 2 analog
- L- K& l! S9 s* w+ s: M> 2 digital
2 V7 N2 w3 {+ c, p4 o > 1 analog and 1 digital
0 A- V+ f, d3 _' q>
; n, I5 B9 P, {+ a > - 2 outputs at the Receiver with three possibilities to match inputs
0 M; W1 w/ M$ r7 s3 \6 K5 c >
$ q( _+ [4 w" i! O) V- ?; B3 [7 z > - Ability to configure/define analog Transmitter input ranges through
) F6 r$ z5 b; }6 M5 g> simple programming method to correspond with full-range analog Receiver
$ N. s; Z$ Y& o) l4 T1 L1 g > outputs (0 - full voltage).
) I( W* z9 c1 o8 @) w+ A3 k >
, P& d: [/ K2 X8 e: c" S0 q/ [ > - Ability to configure and set sample rates for the inputs.
1 i' b2 t' D. | >
2 N' ]1 H2 A4 C! l' R > - Digital output on Transmitter that turns on during the sampling period.
" g- Z& L: b, @) _. N2 m >
6 w+ e3 R. ^. e+ u5 g/ B0 F: d# p> - Ability to configure a power saving Sleep Mode in the Transmitter by
3 z1 z* H* ^$ y: C> both software control and input hardware control.
- [0 |3 e' l* [( a; D4 |% w: h% H8 z>
# A; \) J/ {* z U' e7 C4 ~ > In order to configure the units, we would need a way to make the
1 J- |$ a3 l7 ?- I9 x> settings. This would preferably be from a computer terminal so that
0 ]' V2 q, R) Y! O& U; {: _$ h" s8 N> configurations can be saved or easily duplicated for production volumes.
# x) k. R* P/ N' D: n$ H/ R> The units should be small and compact with shielding, and able to mount
. r- [: G* M8 f6 k+ s > to a printed circuit board with header connector.
; [' i$ R& |% Z# R" p( T>
3 k2 E. s; o) o M2 i> At this time, we are interested in samples of a pair of modems that
3 [+ [ z8 i# s > might be similar to this proposed system. We do not expect that you
- c \. X0 C' R( @* k4 y: Y2 N3 G9 u q> provide all of these specifications at this time. I can describe our
2 U) H9 I6 H, O! B; v> immediate application needs in the next email if this project is of
& {* _* d- \# h, p G' J> interest to you. Perhaps you can make the samples by those
* S% w! k: k* d+ S w# Q( R8 J* p4 a> specifications. This will allow us to test your radios before we move
m2 s+ O2 t$ y% c0 s6 d) t > forward. We are interested in your 900MHz radio to start.
4 I4 y' j4 x2 A3 g
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