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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 G7 Q' C9 O4 W, g+ d 客户要求如下,如果哪家工厂可以做,请和我联系
+ x, V% p" {2 g2 l3 d> The application that we have in mind is similar to others that we commonly
% J; e s( i8 n8 v6 P' M5 o> have. If we were to pay for FCC approval, we would want to use the modem
- F' `1 K. c7 d" ?+ C& D' ^, {> units in all similar applications under the same approval number.
2 b) T5 Q( V$ y/ `, ` > Therefore, we would like to be able to configure the units to a specific
1 m4 [: D3 _; @, t( n > application. For the business that we do, this approach will yield more
# [3 c( ~) [) y3 X7 C6 P: } > sales based on the same product and approval. We are interested in the
8 B, ~! H) D8 J$ i% K# |* X> following specifications:
4 h# p7 Q% g N/ `. O# E>
9 q9 I" x% K+ Z8 | > - 2 inputs at the Transmitter with three possibilities;
0 R( b& W) ?; V; b- G6 x) u > 2 analog
3 B" q1 S4 l4 Y/ t: Q+ c1 H+ ^ > 2 digital
% e& S; U" H0 o7 k/ S( y# V > 1 analog and 1 digital
3 c" Y) u' @% f( N >
+ b0 k, ]! a0 H5 R' F2 B > - 2 outputs at the Receiver with three possibilities to match inputs
, I s! q' @% i7 ~* {9 J, H >
S) {- W3 g3 b, n> - Ability to configure/define analog Transmitter input ranges through
: M6 J1 L; S W9 x @> simple programming method to correspond with full-range analog Receiver
1 j! v) }" b" C' H( k> outputs (0 - full voltage).
# ]1 i6 ?% _3 k+ o: q( v" T; L >
" I9 P+ j, N6 P4 @* b3 H > - Ability to configure and set sample rates for the inputs.
8 @! K# G! i' s" y; Z& a# Y! w* h >
& l9 q( V% p/ G. _/ V7 m> - Digital output on Transmitter that turns on during the sampling period.
' L' [9 w' A. `5 S# \, f/ s" C>
/ ]- w$ H& @6 F. R. \ V > - Ability to configure a power saving Sleep Mode in the Transmitter by
[! N2 Z# b" R; D8 y7 o > both software control and input hardware control.
$ O0 }5 w b9 a1 G9 ?: a>
% D. b( n/ Q5 U > In order to configure the units, we would need a way to make the
6 `1 x( W% T9 p: C% _ b2 G- G > settings. This would preferably be from a computer terminal so that
- B% \; k8 I8 O5 ?> configurations can be saved or easily duplicated for production volumes.
. x; T# g- o) |7 ~9 t1 G> The units should be small and compact with shielding, and able to mount
* T1 k, ^( [# x R > to a printed circuit board with header connector.
- F: o" a- n4 N1 | >
4 i0 A, y( \* z- f. I7 m1 o5 I: H, D( ^> At this time, we are interested in samples of a pair of modems that
1 x- a3 b5 }) T: ~% ]$ ~> might be similar to this proposed system. We do not expect that you
2 x6 P5 j4 v) F: n> provide all of these specifications at this time. I can describe our
' u, Z% t2 E$ X1 W9 S- h > immediate application needs in the next email if this project is of
$ s+ I5 h1 Q' R5 R, P > interest to you. Perhaps you can make the samples by those
, f. M7 u- p7 q0 k > specifications. This will allow us to test your radios before we move
5 o) b9 u# F1 [# D& A( E2 X > forward. We are interested in your 900MHz radio to start.
! C7 x* {# }+ v1 D
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