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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

5 ~6 W _3 I5 [/ n3 f! `9 ` 客户要求如下,如果哪家工厂可以做,请和我联系
0 }% ]$ T2 q% B" s7 `( v7 D> The application that we have in mind is similar to others that we commonly
3 b( }% F5 n: R> have. If we were to pay for FCC approval, we would want to use the modem
6 t, K$ V x) P7 D( H- Z > units in all similar applications under the same approval number.
! M6 |+ m( v2 j! U* R0 v, _8 }> Therefore, we would like to be able to configure the units to a specific
9 I: c8 T8 l, W1 o% x) y, h' `> application. For the business that we do, this approach will yield more
. }: C8 H6 S' W: ~9 P> sales based on the same product and approval. We are interested in the
5 E) p1 }7 J* B+ I3 B* |0 G > following specifications:
9 ]& N3 Q# C! f3 Y# w) C>
% S2 S X- C D# Q* _+ L$ x> - 2 inputs at the Transmitter with three possibilities;
2 S8 e* ?2 q: G, V/ b. k& W% d > 2 analog
g) Q# t" B! ^( v4 o> 2 digital
3 M8 y! z% G/ \! N7 i> 1 analog and 1 digital
, Y/ x4 d4 F- c4 C5 W. X9 B>
' P6 q& _! e6 b5 ?6 u4 g/ Q > - 2 outputs at the Receiver with three possibilities to match inputs
( B# U: o; O! E. |( n >
& G0 t5 A/ H% E6 {9 v> - Ability to configure/define analog Transmitter input ranges through
! K) b3 l( v4 Q, Q& T# Y5 D > simple programming method to correspond with full-range analog Receiver
; T9 ^/ u* R: b6 x9 N5 y( Z> outputs (0 - full voltage).
$ X3 D/ |4 C; T/ ?* l: F, A! ` >
% B5 n- p" T& ?% u* Q8 D# H > - Ability to configure and set sample rates for the inputs.
4 u, L, {( H: R$ |: [+ D3 ?/ A. x6 v7 E >
' @8 N/ d. ~* C+ W2 p7 \2 l> - Digital output on Transmitter that turns on during the sampling period.
6 v5 q7 o# Z) ^>
: Y j" G7 }* P/ L: }' ^% x+ w9 { > - Ability to configure a power saving Sleep Mode in the Transmitter by
5 O/ _0 ^( W# [' C' D> both software control and input hardware control.
- `2 m7 B& [, }>
/ i5 [& T* {% B5 E; N, K> In order to configure the units, we would need a way to make the
3 C( V/ O9 u9 r5 I8 J% P/ J/ M9 @) R' ~ > settings. This would preferably be from a computer terminal so that
$ I) }4 B5 H0 d+ @. y2 V5 r > configurations can be saved or easily duplicated for production volumes.
! D- s+ \, E& ?' s) L' ~ > The units should be small and compact with shielding, and able to mount
p* r9 Z) Q5 @# n7 F > to a printed circuit board with header connector.
0 U& \$ H! e$ T0 `! C>
7 p2 k* ], z& }* Y > At this time, we are interested in samples of a pair of modems that
. [5 t d c" X6 _+ x6 ]) h> might be similar to this proposed system. We do not expect that you
& Z1 ]! _! R7 J0 O0 E> provide all of these specifications at this time. I can describe our
: s' Y/ v7 c; W0 j> immediate application needs in the next email if this project is of
) X/ m1 i+ Z r+ y0 N9 o: P* S > interest to you. Perhaps you can make the samples by those
+ {) b) M$ @, v3 a! w2 I> specifications. This will allow us to test your radios before we move
8 ^ y7 u- y! J9 {: J1 g> forward. We are interested in your 900MHz radio to start.
' A, V( }3 l. {7 y$ L+ C8 m# g D
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