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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

j9 {$ p5 ?4 {1 _0 U客户要求如下,如果哪家工厂可以做,请和我联系
- f* P4 S6 j* l1 [# v! r' k8 s3 k5 u > The application that we have in mind is similar to others that we commonly
6 A( V& q5 n, @3 b6 Z> have. If we were to pay for FCC approval, we would want to use the modem
: D* d& ^3 H5 }% L# {* v [. d> units in all similar applications under the same approval number.
0 D3 k) `) X# b! h" E8 j# O+ D M; g > Therefore, we would like to be able to configure the units to a specific
% w, P q( Q/ ]' T+ F( ^> application. For the business that we do, this approach will yield more
) \* W$ i9 i! O) z0 M o$ D; i* K> sales based on the same product and approval. We are interested in the
! K" a8 x' W, t: V+ y- ?> following specifications:
8 |: c$ ~9 q6 B* a4 K& I >
$ f+ P, U9 p. f1 ^" H! y> - 2 inputs at the Transmitter with three possibilities;
$ b3 z/ m3 u- z0 E P2 z> 2 analog
. K4 v( ?& r' d9 p9 G' Q> 2 digital
3 m: ~( e$ M5 [- P! l1 m2 x > 1 analog and 1 digital
/ J3 H3 x5 n5 d& j$ _% a& z# ?>
" i+ O7 {8 v, U8 @: n) L; I> - 2 outputs at the Receiver with three possibilities to match inputs
% N0 }; A3 q& O% P9 j: R& l>
# P9 y5 x. [3 k% t1 k> - Ability to configure/define analog Transmitter input ranges through
3 G; `9 M* p9 k> simple programming method to correspond with full-range analog Receiver
5 Y! A+ s. w( G+ B4 s6 G! T> outputs (0 - full voltage).
3 t, q; z, X+ z2 {- [. d3 ?$ ~ >
/ J: G) \6 @ N( N0 i > - Ability to configure and set sample rates for the inputs.
6 i0 _# Z, D, ]9 ^- b7 E; M" j1 Y >
+ ^3 P" V! T) P6 q+ d# X" a8 y7 I> - Digital output on Transmitter that turns on during the sampling period.
! p' A) w) F) m0 v+ Y: r/ k>
8 e, N7 `" g8 s* a4 x > - Ability to configure a power saving Sleep Mode in the Transmitter by
' i# H1 e) Y1 x( x> both software control and input hardware control.
6 {! X; F1 d4 j0 g- g8 E# J3 |>
3 Z5 y( A5 K5 g/ M. Z2 j; ~0 A! J1 c > In order to configure the units, we would need a way to make the
, q' p: H5 i5 }5 P5 b/ b> settings. This would preferably be from a computer terminal so that
! q* ~$ _# y) ` > configurations can be saved or easily duplicated for production volumes.
: T3 c- S% a( h > The units should be small and compact with shielding, and able to mount
8 X) p5 ]. x* @) t5 q# `> to a printed circuit board with header connector.
; \ d% j9 _3 x+ S) M* [/ x1 N- O, u>
' _3 M) o* V8 J) d. [> At this time, we are interested in samples of a pair of modems that
& l$ N i- O# ]- L' X > might be similar to this proposed system. We do not expect that you
: R0 c G* v; [* |> provide all of these specifications at this time. I can describe our
( c( {. F2 C" G9 A3 `4 t > immediate application needs in the next email if this project is of
. i8 P* O$ W* ?2 t# q6 r- h/ q > interest to you. Perhaps you can make the samples by those
0 o' _$ U% s. ^, i > specifications. This will allow us to test your radios before we move
: ~, j% T% Q/ x7 v > forward. We are interested in your 900MHz radio to start.
- B, U/ M! v. L! c& k; i. T# I
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