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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

1 N, t* n3 h8 p% N# Y 客户要求如下,如果哪家工厂可以做,请和我联系
9 A; k: Z$ g/ D) S/ J > The application that we have in mind is similar to others that we commonly
, W* }# o0 H; t" H q > have. If we were to pay for FCC approval, we would want to use the modem
s, ]: I- ^8 k# v1 q> units in all similar applications under the same approval number.
/ n- Z* B* F, Y# v( k# Y- p0 Y > Therefore, we would like to be able to configure the units to a specific
8 R3 B5 {8 }' ~9 B0 ~0 Y& H- R > application. For the business that we do, this approach will yield more
$ o/ A, ~! B, j6 `0 a1 q( P > sales based on the same product and approval. We are interested in the
3 a6 [. [8 F \& H; n& l3 a> following specifications:
: K6 m a- u- r! L" }) i3 g >
0 M; h# n1 q0 J, L& ]5 E2 P > - 2 inputs at the Transmitter with three possibilities;
- a Z0 R# }+ G. O( H9 i> 2 analog
7 H$ @' l7 y0 f, l ~( l7 P> 2 digital
" G# ?( @: H" S2 v3 m4 J> 1 analog and 1 digital
9 C5 @) F2 Z h( w% N0 a" K>
9 Y6 N6 f, r5 S% w \2 F > - 2 outputs at the Receiver with three possibilities to match inputs
. H7 y+ Q( I% t4 M>
" H; m) L+ a3 w) Y > - Ability to configure/define analog Transmitter input ranges through
# A* w8 W0 d% q1 h% @2 H( @/ U/ u> simple programming method to correspond with full-range analog Receiver
4 H6 b2 W3 q! P* X; {3 `/ @* ~+ ~ > outputs (0 - full voltage).
: o8 [0 P: H0 A4 F >
9 A8 p# [7 g" E- S2 _> - Ability to configure and set sample rates for the inputs.
3 ~2 d% b/ s3 J0 b- w. S>
# x$ |3 X. Y1 Q' ~: J> - Digital output on Transmitter that turns on during the sampling period.
9 X3 z2 {! O2 f$ k >
0 c$ U$ P# o& R8 z > - Ability to configure a power saving Sleep Mode in the Transmitter by
& I, a+ Q* C6 R1 ] X > both software control and input hardware control.
; Z* |; u5 a' [: W# B. j/ F >
! `2 V8 J# v9 x8 F) N> In order to configure the units, we would need a way to make the
/ F/ H; P( L2 P/ b9 b! g8 a> settings. This would preferably be from a computer terminal so that
" x1 b7 {& i2 h n> configurations can be saved or easily duplicated for production volumes.
9 I, I; l& R* p4 x8 p> The units should be small and compact with shielding, and able to mount
h6 A, P/ b- @9 |> to a printed circuit board with header connector.
8 x E0 W3 I+ ?5 _9 q >
: ?1 \5 A- Z/ n4 S' z) ^> At this time, we are interested in samples of a pair of modems that
) Y3 W: {; U Q3 M/ b> might be similar to this proposed system. We do not expect that you
8 a' |+ f* T& a> provide all of these specifications at this time. I can describe our
; B" y Z' g1 o$ D> immediate application needs in the next email if this project is of
0 j" l- r4 _9 |( X > interest to you. Perhaps you can make the samples by those
) `2 Q. x. ]" m& J) G- x* x: i> specifications. This will allow us to test your radios before we move
" s# E! V8 `# s5 {> forward. We are interested in your 900MHz radio to start.
; i+ ^6 Y$ O8 X; |
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