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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

" a8 n( V% w- z. N c客户要求如下,如果哪家工厂可以做,请和我联系
1 z' c4 N0 c9 N8 C4 [: f7 z# Q > The application that we have in mind is similar to others that we commonly
! n' J" j% ?4 ~2 e$ I( ]6 y > have. If we were to pay for FCC approval, we would want to use the modem
, q9 z' J) c- W > units in all similar applications under the same approval number.
+ ?" p1 ~2 C q0 D H0 [5 } > Therefore, we would like to be able to configure the units to a specific
+ J3 v; O8 e: A! o7 p > application. For the business that we do, this approach will yield more
2 o* _( s- b e$ U c, n4 n > sales based on the same product and approval. We are interested in the
2 S- j5 T7 w, D8 o. u) l > following specifications:
& ]$ Q0 Y) f, N3 j5 m3 n. n# H7 ? >
# s1 G" X2 ~1 J5 U1 M > - 2 inputs at the Transmitter with three possibilities;
q+ W' W* F0 K1 U& d O> 2 analog
& g5 M3 s7 G. l# F# C! Z > 2 digital
' x* {8 L4 K1 K1 ?7 e> 1 analog and 1 digital
# O! h% m+ X+ A8 }3 _6 W4 Q>
! u' f! g2 f+ L> - 2 outputs at the Receiver with three possibilities to match inputs
+ Y0 w+ W1 U9 ~! P# j >
* j2 U" {- T$ O9 F$ r6 W( D, p7 ~> - Ability to configure/define analog Transmitter input ranges through
" v5 G0 S( C+ x; |: a > simple programming method to correspond with full-range analog Receiver
9 E/ ^' L# H0 B) W> outputs (0 - full voltage).
( i3 n4 A6 b1 v4 @" j; r3 j3 Y/ P >
% A6 P0 i, E+ ]3 _ > - Ability to configure and set sample rates for the inputs.
0 v" v4 F7 H' b8 N/ Y >
9 S' D. g! S" D! Z7 i0 e4 l; d> - Digital output on Transmitter that turns on during the sampling period.
# n+ R! w- U2 m) `4 ^' R >
6 @, Z( P7 n4 \* O% [- U+ t > - Ability to configure a power saving Sleep Mode in the Transmitter by
$ l0 T3 g" \9 m' U% F8 F3 N> both software control and input hardware control.
0 x+ T$ C( u" w7 t>
" h2 D. L6 W3 b> In order to configure the units, we would need a way to make the
3 n8 y; H- E% ` > settings. This would preferably be from a computer terminal so that
4 v3 E1 q% R" l6 s' t) z3 | > configurations can be saved or easily duplicated for production volumes.
- K) W) N7 t( ^ > The units should be small and compact with shielding, and able to mount
Q; s. ?1 j7 u/ `: H > to a printed circuit board with header connector.
0 n, G9 Y6 p6 r >
5 l8 u4 q6 y0 a+ n. g& ]' a> At this time, we are interested in samples of a pair of modems that
' H# v' u$ _7 l1 j > might be similar to this proposed system. We do not expect that you
& b; V% ^6 Q* a7 ^* w1 q > provide all of these specifications at this time. I can describe our
: K, ~$ J/ Q" i! |7 f* x> immediate application needs in the next email if this project is of
" j h( x! l# u > interest to you. Perhaps you can make the samples by those
) N5 \7 _" h9 u5 j8 a9 p& x> specifications. This will allow us to test your radios before we move
. O0 x3 ]+ t# \/ A. a( l7 ?> forward. We are interested in your 900MHz radio to start.
, K: `; _" z& U1 v B2 c
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