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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

$ Z3 d, ~+ a' f9 @ L 客户要求如下,如果哪家工厂可以做,请和我联系
$ `6 t/ E6 Y4 Z% ^! { c A> The application that we have in mind is similar to others that we commonly
& J5 Z! x) W$ y( B# a2 A5 @ > have. If we were to pay for FCC approval, we would want to use the modem
/ ]& j+ S, h% ]4 N* z( H+ |- q> units in all similar applications under the same approval number.
& u9 m) z+ Z/ l > Therefore, we would like to be able to configure the units to a specific
! Y J% k; w* _# u0 x- \( ` > application. For the business that we do, this approach will yield more
+ t( S6 i) v4 y* [/ X) c4 ?8 j > sales based on the same product and approval. We are interested in the
3 S3 S h9 G6 c) q4 ^! \> following specifications:
- [; ^8 T& s! o) K0 E( L- \1 ` >
, B6 f# }7 m* V- G > - 2 inputs at the Transmitter with three possibilities;
: Q. r7 p( f! s- H: y6 C! o> 2 analog
( @7 X: Q2 @6 y+ I> 2 digital
4 V; {% c5 ]. a) b o1 `$ ` > 1 analog and 1 digital
* N" }' r. ?% b# p >
/ L) q2 v, j+ {: F% y' t, U> - 2 outputs at the Receiver with three possibilities to match inputs
: D/ I: h$ \# ] >
6 ~8 W* f( V/ u% T" ~ E> - Ability to configure/define analog Transmitter input ranges through
- {9 {4 ~6 t% w1 H$ o q/ K' z> simple programming method to correspond with full-range analog Receiver
1 O0 E, Z0 Z/ `) a) X. J > outputs (0 - full voltage).
1 u, `$ t9 o, D5 U, O; O. N>
# T/ d# J; L1 c l) p0 f9 k; _# M > - Ability to configure and set sample rates for the inputs.
$ k, z7 v7 q/ I$ B>
/ u p! m- X2 S$ R# a4 e8 i' ]) F > - Digital output on Transmitter that turns on during the sampling period.
! R% G0 o x% j1 ~7 i>
2 k# h, ?' Z- i, u- ^. E> - Ability to configure a power saving Sleep Mode in the Transmitter by
% g6 V! W6 G' d- s8 e* i& a> both software control and input hardware control.
1 g, _) u# e" o* h" o! g >
9 ~% r* l0 l4 ^( E> In order to configure the units, we would need a way to make the
5 }; \6 \" R8 N+ V& y3 a > settings. This would preferably be from a computer terminal so that
& Y% n, H4 r3 X% ~! n1 L l& Q> configurations can be saved or easily duplicated for production volumes.
3 O0 H' v0 T4 o2 Z- x& q# q! ~ > The units should be small and compact with shielding, and able to mount
0 Y% U; O, l+ Q7 T; K3 B! u > to a printed circuit board with header connector.
" | `( h% L& N6 r>
5 U( g- w% W% a5 i+ l! G2 @# O! ]> At this time, we are interested in samples of a pair of modems that
' t1 \5 N# x) U' `; ]9 w9 g0 R > might be similar to this proposed system. We do not expect that you
5 f9 d8 e3 c9 F% v6 x" {) S > provide all of these specifications at this time. I can describe our
5 ?2 M" t6 f$ n( A { > immediate application needs in the next email if this project is of
8 ^3 W3 z5 T7 ~* |2 u4 A > interest to you. Perhaps you can make the samples by those
9 h8 \: q- T0 ?) l1 j9 i/ N1 I9 p8 A > specifications. This will allow us to test your radios before we move
/ \2 \6 K4 P) {7 z0 i1 v% H" W c7 A > forward. We are interested in your 900MHz radio to start.
; \3 u. l$ K- G" S8 M: ]
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