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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

% e1 w/ F" ]4 Z4 {' F; m) `客户要求如下,如果哪家工厂可以做,请和我联系
( e2 V! b) o) @6 | > The application that we have in mind is similar to others that we commonly
* u: E' P# C& ] l> have. If we were to pay for FCC approval, we would want to use the modem
4 O% _# B) P! \& \! {> units in all similar applications under the same approval number.
, U% m$ T1 g7 y> Therefore, we would like to be able to configure the units to a specific
% M6 G& Q. h7 ~; }) W6 W > application. For the business that we do, this approach will yield more
2 r* d8 O% w) E5 z2 S0 T > sales based on the same product and approval. We are interested in the
6 H; M7 @* ^8 F# ]) o, x+ D/ p > following specifications:
- R% i* k2 f2 { >
! G+ B3 d/ Q2 B+ @> - 2 inputs at the Transmitter with three possibilities;
% u* [- s+ B- s, L> 2 analog
! L4 ~3 F+ Q$ t. E' [ > 2 digital
8 F4 g) ~6 k$ B> 1 analog and 1 digital
3 t+ I% \9 q8 G e( O>
# X: ^: a( y- U > - 2 outputs at the Receiver with three possibilities to match inputs
& [# B9 S6 k) H>
; n+ \, i4 Z/ U. ~6 s. t > - Ability to configure/define analog Transmitter input ranges through
& x6 \' F; t/ W2 r! `: O5 b > simple programming method to correspond with full-range analog Receiver
) X0 W) P. b/ C$ K. W9 w> outputs (0 - full voltage).
# R, _2 i* x$ i( \9 g8 G4 \8 H>
0 V( f. f& c6 T' Q. W S4 k, r5 Q> - Ability to configure and set sample rates for the inputs.
1 X9 f6 v" l% l& K" }) v& d >
% S4 Q; G/ a1 D+ a; G Y: U> - Digital output on Transmitter that turns on during the sampling period.
# e- {; B. L, t) S4 I4 J! J >
* @% o0 v: a% d) p/ f4 R8 X > - Ability to configure a power saving Sleep Mode in the Transmitter by
2 }0 f2 G e" d> both software control and input hardware control.
) h& s) w* U/ Y7 l9 _" Z, K>
/ e, p n- \$ s+ ?2 V2 ? > In order to configure the units, we would need a way to make the
* b# l! j; u: f > settings. This would preferably be from a computer terminal so that
4 R5 W$ O1 }" {% i> configurations can be saved or easily duplicated for production volumes.
5 F1 j/ T# {8 l4 ` > The units should be small and compact with shielding, and able to mount
* o! j6 w. ?5 d- R: N% e) {> to a printed circuit board with header connector.
e" T: H5 H" n! f6 Y >
& Q) F. [) Y8 B > At this time, we are interested in samples of a pair of modems that
! e- x" X6 M% j! F! X' t> might be similar to this proposed system. We do not expect that you
* m7 f7 I; i9 T% O; k& f8 L+ Y" W> provide all of these specifications at this time. I can describe our
" W& V& E# p$ p* g- ?8 s1 H& V9 _ > immediate application needs in the next email if this project is of
9 O- @/ D- `5 I5 I7 d9 \& o> interest to you. Perhaps you can make the samples by those
6 D& d: t: {$ w0 S> specifications. This will allow us to test your radios before we move
% ]1 g" s7 `& c- A$ L> forward. We are interested in your 900MHz radio to start.
; D1 X1 _! s- X, Z- n( d
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