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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

) y @" m9 y- V0 W9 Q3 _: c/ e1 O+ q5 U 客户要求如下,如果哪家工厂可以做,请和我联系
& H# W* J( y# R; c! f9 m; \7 q7 t> The application that we have in mind is similar to others that we commonly
/ i% m+ K2 l. ]8 J4 T& H0 G > have. If we were to pay for FCC approval, we would want to use the modem
% Q: w& n3 S; l# D > units in all similar applications under the same approval number.
3 R+ R7 c0 v% ^" y2 c9 @. Y> Therefore, we would like to be able to configure the units to a specific
! C' d* B$ P1 f) V7 s- H6 H9 { > application. For the business that we do, this approach will yield more
0 T$ ?1 P% z! k> sales based on the same product and approval. We are interested in the
/ _6 s# `4 U! F0 b5 f* b1 G: b5 d> following specifications:
. U* n4 [# R r6 v3 B ]>
, T* p, ~+ ~8 J) W7 E > - 2 inputs at the Transmitter with three possibilities;
2 e7 L, n- Q* E& T. ?) n> 2 analog
9 v" S: P- ^3 l7 k1 a' {> 2 digital
( [: Z. L' {4 A' Q1 J6 _, A' D > 1 analog and 1 digital
8 T: S, l/ T, e) J >
3 s6 |. r+ f9 H. ^3 I+ b9 I7 v- z > - 2 outputs at the Receiver with three possibilities to match inputs
' o( V, c+ h( n1 z) T>
) J: d' R6 h3 V; x > - Ability to configure/define analog Transmitter input ranges through
; _* _# S; g0 l- F z5 @> simple programming method to correspond with full-range analog Receiver
5 A9 c: j7 {) l" E; ~! Z# f6 `, @7 g/ c> outputs (0 - full voltage).
2 f. z+ \/ i8 ?" F9 V>
9 J& t% m, ~7 w > - Ability to configure and set sample rates for the inputs.
5 w' i2 t* o3 f, D; m >
# N$ W, V7 ?" J2 K > - Digital output on Transmitter that turns on during the sampling period.
4 q' o2 w4 e2 t. F >
( U) k4 w, w' W$ h/ B, \> - Ability to configure a power saving Sleep Mode in the Transmitter by
) M9 R1 Q( T" Z/ C> both software control and input hardware control.
7 f! f( q, i( ]0 X" Y3 H >
6 O) H% [2 {8 l+ \8 l > In order to configure the units, we would need a way to make the
1 j" i( k3 d9 g$ z A% ~> settings. This would preferably be from a computer terminal so that
" P v6 S0 ?8 X+ C: j; N> configurations can be saved or easily duplicated for production volumes.
8 O# v5 [( `2 _; e: k. g> The units should be small and compact with shielding, and able to mount
; g2 {$ Z. v3 T1 E! i# L- z2 s > to a printed circuit board with header connector.
' ~5 u0 Q4 @; c4 T >
: D% e5 I+ ?/ N9 p8 C" [1 U3 | > At this time, we are interested in samples of a pair of modems that
6 v& T ?" D9 _% ] > might be similar to this proposed system. We do not expect that you
2 {1 i9 J' Q$ t* d1 b& x> provide all of these specifications at this time. I can describe our
u0 u( j) [& q0 v8 J> immediate application needs in the next email if this project is of
$ Q3 O' O# v9 H8 D P > interest to you. Perhaps you can make the samples by those
6 S! j* M. N, D- x& } > specifications. This will allow us to test your radios before we move
9 p0 r- ~5 c& i" ?6 f> forward. We are interested in your 900MHz radio to start.
# y% {5 y7 V* a# ^& N6 R0 N
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