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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

2 A# W0 ]3 w- |$ m3 R客户要求如下,如果哪家工厂可以做,请和我联系
. Z+ i' C" E6 l7 s# ~$ z3 ^ > The application that we have in mind is similar to others that we commonly
4 P2 j { C" H7 d4 r > have. If we were to pay for FCC approval, we would want to use the modem
3 W7 g( {/ a5 R: S > units in all similar applications under the same approval number.
; B6 M k' _6 k# Y) Z3 B> Therefore, we would like to be able to configure the units to a specific
& `6 {/ p6 O3 W4 p1 X> application. For the business that we do, this approach will yield more
8 V, `% M# m: ]) U/ T> sales based on the same product and approval. We are interested in the
6 R% [2 N. B$ |+ d( N! ]; W* Z > following specifications:
8 Q9 f6 F/ V& U. T>
/ @) N1 t, R' l! |> - 2 inputs at the Transmitter with three possibilities;
_" m# O5 m2 D. V: C# }> 2 analog
. D# g) Y5 y# H5 i1 d: n1 W > 2 digital
: M4 q" ^- C9 X5 z& k+ ]> 1 analog and 1 digital
# r: S( i+ \, p# |7 ^! e8 |>
+ O5 P+ U4 ]. A5 n > - 2 outputs at the Receiver with three possibilities to match inputs
$ n8 g( V1 |0 ~$ \' Y>
$ H" v1 r& d* ~> - Ability to configure/define analog Transmitter input ranges through
5 ?( ~2 k' a' b3 w- c) E> simple programming method to correspond with full-range analog Receiver
6 j$ a) w$ R0 {! Q > outputs (0 - full voltage).
. y1 c* `9 D0 {>
5 }% _; ]* C) S> - Ability to configure and set sample rates for the inputs.
' I3 \* P& q( g2 D( K>
, f% Z6 [7 c9 | > - Digital output on Transmitter that turns on during the sampling period.
# g; N; @- D& y- z9 Q n>
) p9 g+ e& k4 {1 b* P0 r. D> - Ability to configure a power saving Sleep Mode in the Transmitter by
7 w z) P: o' H3 _6 S > both software control and input hardware control.
5 D: s4 {8 I7 N6 T$ ]" [2 e: O >
% C% d- E; p. J0 F! G3 X, P > In order to configure the units, we would need a way to make the
8 c8 b F4 z5 d> settings. This would preferably be from a computer terminal so that
3 b7 @! n2 E$ I" k# t4 H > configurations can be saved or easily duplicated for production volumes.
- a! |) f8 s) C/ G1 P. M- _: S0 W > The units should be small and compact with shielding, and able to mount
% D5 P" J) m. c* F+ D! }& h- U; X > to a printed circuit board with header connector.
, V& s8 {9 W/ N/ P" @9 O >
# z1 ]' C" H+ Q; K6 ~! |> At this time, we are interested in samples of a pair of modems that
9 e' w- Z+ g* ^9 }9 q ~( G+ p6 \9 n > might be similar to this proposed system. We do not expect that you
# n; ?" O# j# p4 E5 { > provide all of these specifications at this time. I can describe our
7 S2 @. }' S/ Y4 A> immediate application needs in the next email if this project is of
5 C! b8 H) y: B > interest to you. Perhaps you can make the samples by those
1 e9 k x8 y7 b: H > specifications. This will allow us to test your radios before we move
0 {! f5 [+ ]3 C$ s> forward. We are interested in your 900MHz radio to start.
3 Z3 ]5 x4 F* R3 W' P) ]9 \# _: C
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