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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

; [' S7 }! |8 ~+ I/ Y+ C6 p/ a客户要求如下,如果哪家工厂可以做,请和我联系
. G/ I2 c' }; h# X" ?. T> The application that we have in mind is similar to others that we commonly
, ~/ X) c5 q% |, M+ S9 o7 x> have. If we were to pay for FCC approval, we would want to use the modem
. U# t- G( y: L: l) b4 I1 c# P > units in all similar applications under the same approval number.
; ^2 y) a! N9 g! l& i4 E/ w! y> Therefore, we would like to be able to configure the units to a specific
5 x ^. ?" n- y/ n> application. For the business that we do, this approach will yield more
" ] }# l8 k* @2 @) O( I% ]) p% O> sales based on the same product and approval. We are interested in the
; {: F! ^6 H( e5 {> following specifications:
3 I2 D0 [8 }+ i >
" A# M4 C, h/ p+ A) y- ^0 Y > - 2 inputs at the Transmitter with three possibilities;
5 K1 G8 F( S) ~3 s' C> 2 analog
4 v4 F6 ?* M) @. @4 ~% `2 z> 2 digital
3 d4 ^2 c# n, P0 e9 A Q" \9 Q- j > 1 analog and 1 digital
- x% ?% P( H; [. n8 O) S >
: ^9 m* ^7 i6 f> - 2 outputs at the Receiver with three possibilities to match inputs
1 a/ F# u# `5 Y: N >
) B3 s" f7 n" y% |: H> - Ability to configure/define analog Transmitter input ranges through
* f. s2 r: g3 z8 i6 ` > simple programming method to correspond with full-range analog Receiver
" P2 C" R* t. h+ c/ f3 x > outputs (0 - full voltage).
$ p6 W& p- f/ v# X- f: C4 Y>
1 ~! R: r8 d, ~# f8 R' T > - Ability to configure and set sample rates for the inputs.
" |% g& @7 G! v. Q5 N>
4 v2 V( }( G$ i6 k+ S > - Digital output on Transmitter that turns on during the sampling period.
, B! D9 u' s4 I; U( y# J- J>
' g+ h1 |* W2 p- u> - Ability to configure a power saving Sleep Mode in the Transmitter by
" _ _: ?# k7 i' i, d: q> both software control and input hardware control.
( X/ w9 P5 z [$ S8 k >
3 E8 H) W. T9 z8 X, }> In order to configure the units, we would need a way to make the
$ a+ v9 z& M" r/ u& ~ X > settings. This would preferably be from a computer terminal so that
" m$ ]4 \) G9 i2 O$ [1 f" {1 F> configurations can be saved or easily duplicated for production volumes.
8 J1 f& [/ ~' k' ?5 p> The units should be small and compact with shielding, and able to mount
o0 m: s. n4 k* L4 ~! B > to a printed circuit board with header connector.
% h, B* ^! a& u' w3 ]7 b3 q$ Z' O>
$ I- x; | C# y" n > At this time, we are interested in samples of a pair of modems that
# x$ F. c0 V3 ~6 X5 _> might be similar to this proposed system. We do not expect that you
6 i: l% Y# p+ F# f2 ^7 ? E/ v> provide all of these specifications at this time. I can describe our
9 I# |, f0 b+ V. J5 ]+ m> immediate application needs in the next email if this project is of
2 C6 X8 h" }, X3 G) Y8 P > interest to you. Perhaps you can make the samples by those
+ `0 X `, G8 ^& h3 d> specifications. This will allow us to test your radios before we move
) p2 o& d4 }$ G4 ~8 _ > forward. We are interested in your 900MHz radio to start.
8 e$ q- @/ x- Y
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