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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 H8 V( o5 w0 R: z& W0 Q0 F1 } 客户要求如下,如果哪家工厂可以做,请和我联系
+ `3 W. j+ w0 P% s6 e > The application that we have in mind is similar to others that we commonly
- ?. a6 h$ B( \# k, T- _# o9 U > have. If we were to pay for FCC approval, we would want to use the modem
; I0 F- X2 m8 I7 h6 o> units in all similar applications under the same approval number.
1 L4 I3 _ h, t) v1 ^. v. H, _> Therefore, we would like to be able to configure the units to a specific
" X1 L" ~( E5 N# {# ~ > application. For the business that we do, this approach will yield more
6 V( R) e( L) }3 I7 p- c> sales based on the same product and approval. We are interested in the
) N6 f/ P# O3 Z$ L> following specifications:
: i$ p+ ?) I: [, j( f$ d1 C9 u>
3 F s" i2 g. y8 g5 r+ }> - 2 inputs at the Transmitter with three possibilities;
% u! [9 E; w4 Z& v, Y9 s; `$ U > 2 analog
! N8 b3 |* B4 U# v> 2 digital
- V3 [7 k) b3 Y> 1 analog and 1 digital
4 }1 h+ ~+ G9 B' p9 k* C3 z >
0 @1 Y: g/ P& z! @2 k> - 2 outputs at the Receiver with three possibilities to match inputs
j3 o3 J. J i) u>
( g* ]7 T5 U/ c- Q2 w > - Ability to configure/define analog Transmitter input ranges through
: i0 a: j6 m5 x! {# {4 P8 U2 k# u> simple programming method to correspond with full-range analog Receiver
# H' K; N5 H. W> outputs (0 - full voltage).
5 w5 P/ p9 K# Z, F >
) [ m' p0 v# M1 s3 Q2 ^2 Z> - Ability to configure and set sample rates for the inputs.
9 S7 P' }7 m0 m" F >
4 ]* h) b0 B2 j4 @ > - Digital output on Transmitter that turns on during the sampling period.
$ t& D' c' j, Z4 X) D# L >
7 C- d# W; `5 s' C+ m6 Z8 p> - Ability to configure a power saving Sleep Mode in the Transmitter by
5 |* o6 `3 V( m% D i9 W% x0 r> both software control and input hardware control.
1 ]$ \% q+ |) e- `3 d >
, [5 M; s/ L- s# k; Z4 j) O > In order to configure the units, we would need a way to make the
+ D7 b9 T+ B7 y+ F > settings. This would preferably be from a computer terminal so that
/ p( p7 E/ K: u" O! i) w# o' a' }9 J > configurations can be saved or easily duplicated for production volumes.
$ ], z3 W) W# A8 d7 T0 u > The units should be small and compact with shielding, and able to mount
+ J/ e% L% b" y' @ > to a printed circuit board with header connector.
6 G' o" @9 U5 z/ Y>
) @' e1 `7 v, ] Y m" }; M+ D3 C > At this time, we are interested in samples of a pair of modems that
% ^* c0 a: f! }% D > might be similar to this proposed system. We do not expect that you
$ A; o: k! e" h; [> provide all of these specifications at this time. I can describe our
' d/ Q y6 w- Z6 N: m& ]% J0 } > immediate application needs in the next email if this project is of
, p2 `% M1 b0 v, Q > interest to you. Perhaps you can make the samples by those
; `: G- f" ?$ Q" J( x) S; J- ?. S: ] > specifications. This will allow us to test your radios before we move
A1 B( F: @: J) F5 j, ~; B; w > forward. We are interested in your 900MHz radio to start.
+ P# [7 L$ P# f; B
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