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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

$ }3 T. K2 o' |! [8 o 客户要求如下,如果哪家工厂可以做,请和我联系
: X- s9 q' ?% N0 f' t9 b1 \! X > The application that we have in mind is similar to others that we commonly
9 \: v; b/ [/ c8 J/ a3 Y > have. If we were to pay for FCC approval, we would want to use the modem
3 K- u& Z6 r" H. ]6 y& d* t > units in all similar applications under the same approval number.
; l% x/ r% ^# i! g > Therefore, we would like to be able to configure the units to a specific
$ `1 ]0 @* P9 K> application. For the business that we do, this approach will yield more
: O8 q4 A$ R1 s6 I5 x> sales based on the same product and approval. We are interested in the
r( S ` M! |' y8 \* T> following specifications:
* V9 X7 v; |" {0 b! u3 [ >
4 s7 M5 ]2 B5 y' t) W* _> - 2 inputs at the Transmitter with three possibilities;
# B7 T7 l3 w) d2 i- H) d( G. R5 f% L> 2 analog
+ m- V5 j) m: m > 2 digital
6 Q( K. ^8 E, i( P6 A > 1 analog and 1 digital
( H$ }# c, a7 f& y( q- t% Y0 v1 k>
" l, |' L. r; k7 d p7 h7 ~4 O > - 2 outputs at the Receiver with three possibilities to match inputs
0 K/ }/ E* y0 i4 ]>
7 F% P% X" U4 Y6 L > - Ability to configure/define analog Transmitter input ranges through
$ N! S2 _) M! _2 c8 e/ J > simple programming method to correspond with full-range analog Receiver
" h/ {* G1 r8 q0 n( v5 }7 N> outputs (0 - full voltage).
: i2 ?) D @2 O>
% m' |; N5 [5 t! v( \9 D; [ > - Ability to configure and set sample rates for the inputs.
5 {7 @! w0 {6 S/ {* V. w>
6 }4 E' u5 X- q! ?# a1 \1 }) g/ F > - Digital output on Transmitter that turns on during the sampling period.
! O+ W6 b2 m! _ >
- Y. t/ ^. {8 } > - Ability to configure a power saving Sleep Mode in the Transmitter by
( t$ h2 N5 {. S& q> both software control and input hardware control.
; }8 d9 i/ n" D' g>
! u( I* ~4 o# u5 j) y& [ > In order to configure the units, we would need a way to make the
2 p* D* C7 n4 }) k- P7 {. y; g> settings. This would preferably be from a computer terminal so that
# [2 m4 o/ c! u, M5 _. H' D( ?4 @. X> configurations can be saved or easily duplicated for production volumes.
% P# Q h, h( F# C > The units should be small and compact with shielding, and able to mount
/ w3 I! M. _+ ~& {3 A > to a printed circuit board with header connector.
; C2 y6 o2 Q1 {>
% V) W* e8 R/ ]2 ?& O! C3 G% W# D4 Z> At this time, we are interested in samples of a pair of modems that
( v W% t. @" I( Y% r> might be similar to this proposed system. We do not expect that you
" [2 j; r1 r& X# M > provide all of these specifications at this time. I can describe our
/ W. m+ s/ {6 p% M" S8 z6 t> immediate application needs in the next email if this project is of
( F/ G: A4 V3 ^5 P* a > interest to you. Perhaps you can make the samples by those
; \7 z! N% O6 V8 n> specifications. This will allow us to test your radios before we move
: k- f: p5 B6 p/ ] > forward. We are interested in your 900MHz radio to start.
& o, I- {2 S6 }9 [
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