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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

* \; @- ^& C9 V, J( R6 l& e. U8 ~& b L客户要求如下,如果哪家工厂可以做,请和我联系
& g6 P5 j/ V2 t9 J> The application that we have in mind is similar to others that we commonly
9 E& R5 ?* p+ y& s; v G > have. If we were to pay for FCC approval, we would want to use the modem
2 I* o+ c8 d7 H. g6 a; t> units in all similar applications under the same approval number.
- A B# _: g W* v" C > Therefore, we would like to be able to configure the units to a specific
8 |' G, M8 k; U: q > application. For the business that we do, this approach will yield more
* n! H8 z) F# l ]> sales based on the same product and approval. We are interested in the
: [; d [" I; g: p > following specifications:
- }1 _" r! j3 k5 H! v' ?9 P: N& C >
/ `4 c+ y$ i! ?& J> - 2 inputs at the Transmitter with three possibilities;
+ C2 e& v, s Z3 a0 C9 t% C- ]2 l > 2 analog
3 i2 }8 i4 D9 J5 J7 g9 i z9 v > 2 digital
/ ?6 u! @$ n k+ P% [4 w& o0 ^ > 1 analog and 1 digital
; p3 \5 Q: ^6 b) {5 ]( `% D>
/ T# A; X- Y' T7 J" J: { > - 2 outputs at the Receiver with three possibilities to match inputs
~9 a4 D& M) Y" |5 ]" B! t2 E>
3 P# }! E/ r4 r* m0 E > - Ability to configure/define analog Transmitter input ranges through
4 F3 ?3 `6 I* H > simple programming method to correspond with full-range analog Receiver
6 F: Q( b: N+ K, R$ ?> outputs (0 - full voltage).
+ j9 E: k/ ~: W% x: h>
( ~7 P/ m' a( K; F0 |! j6 R* G> - Ability to configure and set sample rates for the inputs.
5 [$ @ |5 k: _ >
8 i3 l# ^3 v( W% e$ z- X> - Digital output on Transmitter that turns on during the sampling period.
5 s# E: }, a2 \* I) ?+ _ >
% ? `* |6 Z- \, K> - Ability to configure a power saving Sleep Mode in the Transmitter by
1 X% Y' _" J+ I5 M9 v# {/ `4 L8 F> both software control and input hardware control.
. b. N& Y2 g# c: q- M>
; k; x9 K) m( d, e& L) h% B> In order to configure the units, we would need a way to make the
& ?# j6 Z2 M4 T, [, V& z > settings. This would preferably be from a computer terminal so that
; o* r6 S7 b; x9 i, p! a > configurations can be saved or easily duplicated for production volumes.
0 B% u2 l! m3 Q" t9 Z/ ~ > The units should be small and compact with shielding, and able to mount
6 w" }: K$ v8 u' k! F3 D4 p > to a printed circuit board with header connector.
; Z7 I: P e7 @# f" u+ r>
b0 e. F7 S0 Z/ l' n5 Y& f> At this time, we are interested in samples of a pair of modems that
: o+ y& m; Q) U- k > might be similar to this proposed system. We do not expect that you
- e( h# j* O, t# ?- R> provide all of these specifications at this time. I can describe our
2 g4 i- |7 J, O+ T9 Q6 ?9 G, Y > immediate application needs in the next email if this project is of
5 { L$ {; S# ?/ ?> interest to you. Perhaps you can make the samples by those
& n% t& b' i$ p4 U: C> specifications. This will allow us to test your radios before we move
( R2 n; V% p7 `8 B > forward. We are interested in your 900MHz radio to start.
! m; R6 n7 w! U$ O; u; w" R' G
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