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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

+ D+ w% ^2 n* m5 b* J 客户要求如下,如果哪家工厂可以做,请和我联系
# ~0 i9 k# h; C7 a5 p# m/ Z > The application that we have in mind is similar to others that we commonly
7 W' x$ ?0 {7 P) R O$ r" f T > have. If we were to pay for FCC approval, we would want to use the modem
9 D# `# A/ ]$ G8 x > units in all similar applications under the same approval number.
, x7 y2 N0 F2 g9 p# v6 ` > Therefore, we would like to be able to configure the units to a specific
. g5 F& R) z0 H> application. For the business that we do, this approach will yield more
5 Q% o4 P$ h: U+ f > sales based on the same product and approval. We are interested in the
$ m7 v" X6 p$ Z3 G* i% d > following specifications:
$ f1 y7 }5 z) A3 k. N( i>
% m0 t% F5 \- ?/ w8 i% m! c2 p > - 2 inputs at the Transmitter with three possibilities;
7 b3 D2 D5 l* H Q# @> 2 analog
& s1 L% F7 q- s9 \* K3 k> 2 digital
9 b9 R; d: I& M0 F> 1 analog and 1 digital
/ \; e6 U/ @) A/ s' K >
' M6 o4 i5 h$ L> - 2 outputs at the Receiver with three possibilities to match inputs
+ B2 z t% i' }, M: B" | >
1 x4 ^( D3 z8 R- Z > - Ability to configure/define analog Transmitter input ranges through
5 J! B' T; r& ]0 {# q; Q > simple programming method to correspond with full-range analog Receiver
- [8 i3 K8 X3 `- Q' E. o! l4 p; ` > outputs (0 - full voltage).
8 Q' }4 A' F5 p. q U>
+ F% O( \$ I4 L) V: v> - Ability to configure and set sample rates for the inputs.
$ P6 g, a* L: R1 }# @, L* V>
9 G/ \1 [6 i% ^6 S! q3 m* K> - Digital output on Transmitter that turns on during the sampling period.
, Q" d0 G5 w, C9 K" M3 Y( b>
- A# O" | W4 U8 Q> - Ability to configure a power saving Sleep Mode in the Transmitter by
: g7 m# n Z. L4 F8 Z% Q' V > both software control and input hardware control.
2 q7 @9 i2 A$ p! {" z& X >
# l: ^3 b3 |9 Q > In order to configure the units, we would need a way to make the
- l1 T( V4 |+ t6 U& O: X> settings. This would preferably be from a computer terminal so that
+ g( u p t& Y' Q/ o) B# Q1 T > configurations can be saved or easily duplicated for production volumes.
% ^& |! U- _* I, T l) w> The units should be small and compact with shielding, and able to mount
$ l$ i- N J* p5 Z0 o> to a printed circuit board with header connector.
- I. b% o& ]3 X% q9 D! c, B >
4 \& u0 s( b2 Z3 t> At this time, we are interested in samples of a pair of modems that
$ @6 S$ E4 I: Q8 c @; k > might be similar to this proposed system. We do not expect that you
U# H0 e6 l( A+ w' e > provide all of these specifications at this time. I can describe our
7 A9 z) H: R1 ~6 Y, b' a* F" H > immediate application needs in the next email if this project is of
& @& _$ @) `6 f0 p# ^> interest to you. Perhaps you can make the samples by those
: L3 [9 f, X' C> specifications. This will allow us to test your radios before we move
/ V9 y3 H8 c4 s) x- z> forward. We are interested in your 900MHz radio to start.
+ j$ X% V2 c s9 I+ T
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