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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

/ T+ y& E p) h: F 客户要求如下,如果哪家工厂可以做,请和我联系
( y# i+ Y" `8 q& s- a9 q' j> The application that we have in mind is similar to others that we commonly
& z' J& k6 s% g$ p9 [2 J% ]1 M> have. If we were to pay for FCC approval, we would want to use the modem
' D0 ]1 ?0 v7 @( ^: T: T; f> units in all similar applications under the same approval number.
- ~9 q' |& o6 X" A2 f> Therefore, we would like to be able to configure the units to a specific
& V& c1 G" H" U7 Z; h2 z/ i0 T> application. For the business that we do, this approach will yield more
9 q) b1 r2 Z9 E. Y) Q& f5 w > sales based on the same product and approval. We are interested in the
% z0 d) {! z% l2 a9 F > following specifications:
s3 U4 z: @9 `0 ?! i, e: Z>
# D5 V. t- e+ H1 f% N |. k > - 2 inputs at the Transmitter with three possibilities;
e# R3 j K+ y > 2 analog
7 D* H3 j& L6 p7 j: I; P > 2 digital
9 F9 H0 M9 `3 S% ^* j> 1 analog and 1 digital
) h C( L( z1 ~) s0 Z \ >
/ h( O3 \* o; S1 |& M0 ?8 I > - 2 outputs at the Receiver with three possibilities to match inputs
4 O' `) B& @' t1 F/ @5 R' s9 c>
1 l+ t& C; K9 V+ S* ^ > - Ability to configure/define analog Transmitter input ranges through
" m( K( ]4 B! H. d1 ? > simple programming method to correspond with full-range analog Receiver
7 p, y ^. n$ S4 ~6 Q: |2 K$ f7 i > outputs (0 - full voltage).
, T8 e9 ?6 y4 h>
5 \& A" T" T# }+ H' M" a) @> - Ability to configure and set sample rates for the inputs.
c5 i! j# E0 ?% L>
/ [7 O" E3 z) v# z$ u# v8 @ > - Digital output on Transmitter that turns on during the sampling period.
) k$ ?8 d. ~: `. X2 E3 S! B" U4 ~>
4 n9 M- P' j1 e U$ D& Z+ l! }> - Ability to configure a power saving Sleep Mode in the Transmitter by
S9 [8 k# ^' h- x+ C9 T> both software control and input hardware control.
: K/ p( ?5 D n* ]$ B9 U>
1 X7 i2 F, Y6 {& m [9 {; n+ [> In order to configure the units, we would need a way to make the
2 k6 w: S- W1 u1 m& Q> settings. This would preferably be from a computer terminal so that
1 v! ]4 z2 F( O" H* c> configurations can be saved or easily duplicated for production volumes.
& E; S o# k* A3 D, L+ ?: ^2 y! y > The units should be small and compact with shielding, and able to mount
7 P1 d. f: B. K0 `! N" t1 M: |> to a printed circuit board with header connector.
5 a) X; P1 O# d: X. ^>
& U2 O0 C+ ~3 u# d > At this time, we are interested in samples of a pair of modems that
8 U- n/ x. G j6 c > might be similar to this proposed system. We do not expect that you
+ d: q' @5 \4 x: c% ~2 T5 d> provide all of these specifications at this time. I can describe our
$ Q/ D# r0 q9 q. E8 U: x9 |> immediate application needs in the next email if this project is of
5 {* V( t# Y: g+ t- R( |# O > interest to you. Perhaps you can make the samples by those
: Z1 F9 E3 I7 O5 q$ F > specifications. This will allow us to test your radios before we move
: v# r$ i' E* d# X> forward. We are interested in your 900MHz radio to start.
8 y4 [1 d- G4 o! u u
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