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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

/ C, e/ A2 }% p客户要求如下,如果哪家工厂可以做,请和我联系
% }* ]/ i1 U8 X, \4 a; g> The application that we have in mind is similar to others that we commonly
% B9 q, P) I7 S4 e+ N, s2 X> have. If we were to pay for FCC approval, we would want to use the modem
. Y- L/ K. I! X. H: Y, E > units in all similar applications under the same approval number.
. Y* k; |; v0 q/ B J3 Y7 v' B' x > Therefore, we would like to be able to configure the units to a specific
1 l$ _4 p C! [ K# ^! u A7 p( m> application. For the business that we do, this approach will yield more
# \, b8 O J3 \1 N8 N0 f > sales based on the same product and approval. We are interested in the
! S. @7 U; j: u7 A# Q8 X( H> following specifications:
& @. t5 T7 V \! P/ K4 y>
) n k& E% {3 H7 z> - 2 inputs at the Transmitter with three possibilities;
E |, Z# m, ^6 t! O/ N! _> 2 analog
4 r- v, t/ o% y% Q% ^> 2 digital
3 b! o$ O# ^9 \> 1 analog and 1 digital
8 ^# u' z& M, Q$ m >
' `3 C% k3 U. L1 g> - 2 outputs at the Receiver with three possibilities to match inputs
3 ~; t5 c& k- n- } >
, D+ S* c! W( j2 q7 U( Q> - Ability to configure/define analog Transmitter input ranges through
1 }" v6 C# G# L. ^> simple programming method to correspond with full-range analog Receiver
6 o) @5 \. l$ P# D, J > outputs (0 - full voltage).
* @ ?6 Q9 v5 F) Q) a) V >
$ c2 b: H4 q9 h; c9 i# x5 _> - Ability to configure and set sample rates for the inputs.
0 t8 i/ Q( a; N' z& N/ |>
0 P! V. v1 t. X: p! l> - Digital output on Transmitter that turns on during the sampling period.
/ {: R; [: }) G) f. Y$ h6 H>
5 Q) F+ q; @& A0 L9 f+ m% W1 O > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 F, L, H6 [' J1 l1 x > both software control and input hardware control.
. Y* {; z- \) R% k" }6 S>
2 ]2 O" I' c: \7 _9 m) ^9 @0 e> In order to configure the units, we would need a way to make the
. q4 d G5 P/ X/ P' ^ > settings. This would preferably be from a computer terminal so that
' d/ I; P- S8 ^> configurations can be saved or easily duplicated for production volumes.
% R9 w. k- ]: p* ~8 m> The units should be small and compact with shielding, and able to mount
% X: `7 V6 k- l> to a printed circuit board with header connector.
8 `8 r& M# y; W5 R& U>
7 K. Q4 y; Z/ H/ e x) B6 k> At this time, we are interested in samples of a pair of modems that
2 y$ c/ l- ]* `+ Y. V4 q > might be similar to this proposed system. We do not expect that you
9 d' I2 l8 |% @' @2 ?$ X q8 R$ R/ z > provide all of these specifications at this time. I can describe our
& {; r( ~2 |% t> immediate application needs in the next email if this project is of
. M, f7 r! ]3 v2 f4 ~3 E1 G6 P > interest to you. Perhaps you can make the samples by those
% X8 R8 e# f* `& O8 _* m > specifications. This will allow us to test your radios before we move
: g, P3 ?) x; U" J* G) H$ t > forward. We are interested in your 900MHz radio to start.
: a1 ~2 k" G: F- a' Y
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