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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 F% Z0 c: N8 N客户要求如下,如果哪家工厂可以做,请和我联系
5 O- n' i; `2 } > The application that we have in mind is similar to others that we commonly
1 ~ Z: b- U' F3 q. @> have. If we were to pay for FCC approval, we would want to use the modem
$ n" b6 J. n" q8 L% s > units in all similar applications under the same approval number.
" \+ B, W0 ~/ a6 T M) V" D$ x( j> Therefore, we would like to be able to configure the units to a specific
" k$ J- E7 h* D- c3 Y > application. For the business that we do, this approach will yield more
& S: {1 |3 i7 U5 p' S; C8 `> sales based on the same product and approval. We are interested in the
0 {9 r l$ Z* J: b& _ > following specifications:
8 f" h5 O( I+ b>
/ ^( V2 k* C' @7 C6 k, o) x" m> - 2 inputs at the Transmitter with three possibilities;
7 F( V! `$ ]% R& X1 h> 2 analog
/ E4 K% G: p9 X0 H9 E7 l9 ^ > 2 digital
+ u, [( T: o, X. }! ~; d > 1 analog and 1 digital
5 }) e- ? n6 Q% X9 B; ^% M>
" Q) e- B8 Q9 D' _+ D# p/ s > - 2 outputs at the Receiver with three possibilities to match inputs
1 u- g7 P& \: S>
# ? C/ F9 e" O. |* F0 w+ R > - Ability to configure/define analog Transmitter input ranges through
( t$ K0 ^- |3 G& e# ]5 ~3 [ > simple programming method to correspond with full-range analog Receiver
) v. ~7 F# i c3 S > outputs (0 - full voltage).
4 O3 B G9 P1 f y>
$ V- C7 \- w5 N {: c) q6 E5 y C> - Ability to configure and set sample rates for the inputs.
" ]) a) ~/ t6 [& d >
8 O+ j' U; _: k. Y: k > - Digital output on Transmitter that turns on during the sampling period.
0 E8 B2 t9 e. l$ _& n >
( K& Q A8 ^; y ~! \: @7 W& _, ?) e* N > - Ability to configure a power saving Sleep Mode in the Transmitter by
( ~7 R$ R: Q+ W# |! [% G1 K > both software control and input hardware control.
4 e0 Y9 w# x8 H>
) B7 Q# N- @! i, c; d) Q> In order to configure the units, we would need a way to make the
7 h4 X. o" z0 l( g5 { > settings. This would preferably be from a computer terminal so that
& n; A3 n1 r$ p! ?> configurations can be saved or easily duplicated for production volumes.
7 a3 M2 }, D7 x6 Z) z* m# f > The units should be small and compact with shielding, and able to mount
T. T/ A1 N& p, C) e* |6 c% x > to a printed circuit board with header connector.
' ~$ H- o2 B& @. m( `: d% \! T1 @: j$ S>
7 J! b- s* [. s8 @> At this time, we are interested in samples of a pair of modems that
h, `: Q* t# \2 s e% W> might be similar to this proposed system. We do not expect that you
8 I9 O# ?3 L! J1 Z3 g" ]6 n6 V# [> provide all of these specifications at this time. I can describe our
3 M5 h+ j; p* C2 C( ~2 ^> immediate application needs in the next email if this project is of
+ z# M$ G& p) g; h" o( r7 d' h> interest to you. Perhaps you can make the samples by those
$ R) |# J. z4 S5 P2 v2 d0 ? > specifications. This will allow us to test your radios before we move
8 y) z8 ?. q5 E( S ^> forward. We are interested in your 900MHz radio to start.
- {3 k0 c& T, u2 A: R' u/ B! f: x
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