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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

6 ^ i8 H' c6 ^1 | 客户要求如下,如果哪家工厂可以做,请和我联系
* k" t6 `" k2 D1 p/ D. q: w > The application that we have in mind is similar to others that we commonly
- t8 O7 X7 J3 B! i > have. If we were to pay for FCC approval, we would want to use the modem
9 l: B. c w& U: ?> units in all similar applications under the same approval number.
" N4 u6 b0 @+ N, ^> Therefore, we would like to be able to configure the units to a specific
5 c4 e+ ^6 H; m v, M > application. For the business that we do, this approach will yield more
2 K1 s- @" Q( c > sales based on the same product and approval. We are interested in the
' o- k( ~5 Y( o7 T8 q( B > following specifications:
4 u8 A4 j# q J) e >
, I/ ?8 I J8 O. i# |- o> - 2 inputs at the Transmitter with three possibilities;
: D! [5 J" z; _* O> 2 analog
1 ~, Z6 m7 E" C9 v > 2 digital
# v$ W- l8 ?9 a> 1 analog and 1 digital
& }9 K7 H, ^" t! y2 G>
4 m2 i( W/ x. _) u/ r0 G> - 2 outputs at the Receiver with three possibilities to match inputs
7 |, k5 l+ z7 E( c>
9 Q- E* q7 H2 Y> - Ability to configure/define analog Transmitter input ranges through
& M( A i* h; w# H> simple programming method to correspond with full-range analog Receiver
' a, p8 v9 ~7 _! o > outputs (0 - full voltage).
+ q/ E1 l1 V# _4 g3 @9 j4 k& f >
! t3 n- l- r# V; }> - Ability to configure and set sample rates for the inputs.
3 C: t3 @/ S4 r" a6 |>
# }! m! K8 x. x+ _5 G4 w) l> - Digital output on Transmitter that turns on during the sampling period.
: ^& E& s. c$ z1 m$ r) o2 O, y>
& f; n3 O0 t d! h > - Ability to configure a power saving Sleep Mode in the Transmitter by
8 z# Q# \: L* f9 F7 `$ l8 t > both software control and input hardware control.
( j) [* s2 X4 ~ k) r' c$ ?' J>
! r& ?" m" z! f. s > In order to configure the units, we would need a way to make the
" y: e7 g: A: o, h# l7 [> settings. This would preferably be from a computer terminal so that
) Q0 X# J) n9 x _" G/ e2 x > configurations can be saved or easily duplicated for production volumes.
& |7 B; n: m' J0 y& W2 |> The units should be small and compact with shielding, and able to mount
Z! u7 M. h5 N& T2 Q. \; w8 B1 l w > to a printed circuit board with header connector.
7 O4 w$ C5 @% m" Z >
7 o& Z- a! s1 v8 s; T > At this time, we are interested in samples of a pair of modems that
+ {( A0 v9 \- d t3 N/ [# h> might be similar to this proposed system. We do not expect that you
, U a( o/ ?' j4 p5 k/ K3 o' p > provide all of these specifications at this time. I can describe our
& k; _1 C0 _3 n# z> immediate application needs in the next email if this project is of
8 o9 q) ~( r; e. P3 G/ z" [ > interest to you. Perhaps you can make the samples by those
: R, e& M) Y: p+ L > specifications. This will allow us to test your radios before we move
, q3 |9 J% V& F+ ^% t* e> forward. We are interested in your 900MHz radio to start.
2 r) K- q0 {0 e$ G2 p
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