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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

0 P! E& M0 R& u: Z 客户要求如下,如果哪家工厂可以做,请和我联系
|9 q8 V Z/ j$ }; t$ d4 n> The application that we have in mind is similar to others that we commonly
0 }2 q6 y5 R3 z; u> have. If we were to pay for FCC approval, we would want to use the modem
$ F$ ~8 @$ U0 u$ ]. | > units in all similar applications under the same approval number.
3 R8 G$ y- B2 L > Therefore, we would like to be able to configure the units to a specific
4 A' F. U9 Q' H L' D8 o5 L. z0 @0 A > application. For the business that we do, this approach will yield more
5 O0 e! b0 b% O- m' d4 E> sales based on the same product and approval. We are interested in the
, |# r* V& d. z- J9 \$ ~5 l0 Y> following specifications:
3 L6 l9 ~- m8 l' Y4 }>
5 Z/ W' W$ ]. e0 F$ _ > - 2 inputs at the Transmitter with three possibilities;
1 n' Q3 Z& r8 e: G > 2 analog
' K2 h* a/ `5 \ > 2 digital
* l' H4 P" n0 x+ H > 1 analog and 1 digital
C4 S8 x% x$ S6 ]% z >
% b6 o) N7 o5 A > - 2 outputs at the Receiver with three possibilities to match inputs
$ m3 L4 }! a& [0 { >
/ J$ [7 P1 S, j/ R d$ s* r' C> - Ability to configure/define analog Transmitter input ranges through
9 D1 u# B3 X- ~& |2 M9 v> simple programming method to correspond with full-range analog Receiver
( R- Q8 a0 y6 V( w. n& e8 C8 x: q > outputs (0 - full voltage).
9 ]! S7 R) m8 d5 \ >
6 D2 A$ l" w7 ? > - Ability to configure and set sample rates for the inputs.
6 q; H1 d2 @: D$ j( } >
; j1 {4 t; s! o! S( @5 [> - Digital output on Transmitter that turns on during the sampling period.
( |# O+ ?4 e7 e$ X/ a+ |. W >
* t {& @# Q3 O3 P C+ Q3 W > - Ability to configure a power saving Sleep Mode in the Transmitter by
% f" i. S/ O! I! ]; J0 {> both software control and input hardware control.
! q1 g; j' }, B6 W>
: D/ g% t2 M+ E$ G9 r1 B > In order to configure the units, we would need a way to make the
z4 D! {9 C- K9 V5 w$ ]> settings. This would preferably be from a computer terminal so that
2 ?7 @ v: Q' W9 E6 {( ]9 ]% w> configurations can be saved or easily duplicated for production volumes.
+ m+ b, W, |5 ~ > The units should be small and compact with shielding, and able to mount
* R8 t8 ~% f: ^ > to a printed circuit board with header connector.
6 w/ \2 l: q3 h! R9 m6 ^ >
* \0 o7 W; f/ Z0 D6 d2 d> At this time, we are interested in samples of a pair of modems that
9 R) Y1 w& w/ P) g8 p. J > might be similar to this proposed system. We do not expect that you
+ @. R% T$ q. A$ ]> provide all of these specifications at this time. I can describe our
3 Q' W, p/ m- ]; H> immediate application needs in the next email if this project is of
- H8 C! r& L& x0 p4 H. z0 ?9 r> interest to you. Perhaps you can make the samples by those
( I, f. Z6 }8 N8 k; q6 M8 c* L$ L# n> specifications. This will allow us to test your radios before we move
1 D+ q7 t* i% Q" `: x( [! Y* }> forward. We are interested in your 900MHz radio to start.
3 G7 F9 l O4 u* t* l! p y
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