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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

8 w8 M6 S2 B" H! P- [) g客户要求如下,如果哪家工厂可以做,请和我联系
5 j+ \7 I+ @! Q) \8 J& T2 X' X1 t; h> The application that we have in mind is similar to others that we commonly
" \8 x- [3 `* C( x! i4 z* b> have. If we were to pay for FCC approval, we would want to use the modem
" C7 l, m/ ^% E: w0 |* _ > units in all similar applications under the same approval number.
2 D4 L; Q# L3 e. C1 l( E* o% v > Therefore, we would like to be able to configure the units to a specific
% F# C+ `' i! ?- P/ { > application. For the business that we do, this approach will yield more
- E+ k/ i0 d2 e+ g > sales based on the same product and approval. We are interested in the
& M h" H" J) r. Y0 ]7 _ > following specifications:
1 N a" }) B9 c5 @) \ >
) s1 I, t Z% e' c! O/ j> - 2 inputs at the Transmitter with three possibilities;
( j5 I! l+ s' i- n > 2 analog
3 f. n! C( p* Y( A> 2 digital
" x' e8 n: d+ d1 p4 i' d> 1 analog and 1 digital
9 \& j1 x0 `6 i$ |6 x/ X >
8 I% V* Z6 m, }5 M> - 2 outputs at the Receiver with three possibilities to match inputs
( W5 S2 T {5 T >
+ ^' f9 ^5 W$ K! H4 q> - Ability to configure/define analog Transmitter input ranges through
/ i2 l: p" v. B) T9 l > simple programming method to correspond with full-range analog Receiver
; r# Y. y- F' T> outputs (0 - full voltage).
; d& U+ e9 u b, o% n>
8 A) }3 u# m: ? C- e. G& @; G0 O$ P> - Ability to configure and set sample rates for the inputs.
$ q5 M2 T6 t$ x5 p >
8 z$ r) f1 S1 \' ^' y% S4 W" d> - Digital output on Transmitter that turns on during the sampling period.
! p6 D; o* H7 Y H7 r% D( }/ K >
8 Z$ Q$ l/ u6 q, P, ?+ g. ^2 x+ w> - Ability to configure a power saving Sleep Mode in the Transmitter by
* \8 `5 i' n+ W0 ^ > both software control and input hardware control.
5 g, d( d8 L( w- z8 Q>
1 E( D5 |3 e% k$ m, b > In order to configure the units, we would need a way to make the
5 w4 }2 p$ o! s$ P* s7 X. }( ^> settings. This would preferably be from a computer terminal so that
' {0 }; V! I9 ^" @ R > configurations can be saved or easily duplicated for production volumes.
! }: j3 a) q$ Y3 d2 D > The units should be small and compact with shielding, and able to mount
- M& v; i, f1 P) K0 Y0 i6 p0 ? > to a printed circuit board with header connector.
+ @+ _) _ W: j0 k# `! T. _& S>
/ U9 I+ N8 q' Q. H& G$ q> At this time, we are interested in samples of a pair of modems that
* t; K6 r) T' M; Y/ v > might be similar to this proposed system. We do not expect that you
- I' G8 x0 G$ _1 u u > provide all of these specifications at this time. I can describe our
) A0 m# I* t( A5 m% I" m: D2 D) x > immediate application needs in the next email if this project is of
( w2 U, T5 M& q: z @# ?# P > interest to you. Perhaps you can make the samples by those
; g) K, a9 L2 N6 h > specifications. This will allow us to test your radios before we move
& n { N- Q0 ~> forward. We are interested in your 900MHz radio to start.
$ t3 a, |; S& b, ~6 T
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