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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

- x8 P2 T# H" u0 S( y8 c# }客户要求如下,如果哪家工厂可以做,请和我联系
# Y$ F1 L3 f3 f. q: N3 D4 b- m > The application that we have in mind is similar to others that we commonly
0 W' x8 o3 {0 i1 p' Q9 Q$ A3 Q- x> have. If we were to pay for FCC approval, we would want to use the modem
/ ~( n9 x6 c: g3 \' \& M0 W9 y > units in all similar applications under the same approval number.
" F) S Z+ |" h6 g; P> Therefore, we would like to be able to configure the units to a specific
, i1 S& o# l+ B) B2 S> application. For the business that we do, this approach will yield more
3 ]6 J. m. ~ c b2 v# Q8 k- A> sales based on the same product and approval. We are interested in the
) X3 k) B2 d: r: D+ P4 E8 C> following specifications:
9 w: H/ Q7 \" q! [, v" o& s1 D7 V+ l >
9 ~. b$ }6 j+ C) C% D > - 2 inputs at the Transmitter with three possibilities;
- G1 v1 @2 `6 i$ h8 c2 [- `: `' G > 2 analog
! m5 n! r3 i% }- C% P6 m> 2 digital
) B5 A) G* J0 c0 g+ e > 1 analog and 1 digital
( c4 l0 X2 s$ A- d4 ^8 V) K >
: H5 i- D6 x% _: u$ ~, Y+ e8 O9 x' y> - 2 outputs at the Receiver with three possibilities to match inputs
3 p1 ~$ Y, \, j) D' w>
( e8 g# Z6 ^5 h! S8 Y5 ^& K > - Ability to configure/define analog Transmitter input ranges through
6 v& A6 `0 {4 e/ s6 l5 v1 u' _> simple programming method to correspond with full-range analog Receiver
* k2 @* n- l/ g > outputs (0 - full voltage).
7 _. @# H% T+ _9 {6 J; [>
/ b$ X0 z8 W8 {% e> - Ability to configure and set sample rates for the inputs.
/ E8 ?& d4 E) Q* M% P ? >
4 c6 B; }8 n! @) i > - Digital output on Transmitter that turns on during the sampling period.
) _' C2 A$ r$ L' I! u+ g>
$ @: h7 N: W3 u> - Ability to configure a power saving Sleep Mode in the Transmitter by
" l) a* y4 @8 ^; K8 P% s> both software control and input hardware control.
, x2 b5 p5 b% d* V* n8 w>
/ ^- q% y% n q* Y- y> In order to configure the units, we would need a way to make the
$ x4 L5 u8 V2 W! b1 b) E# l1 G- w> settings. This would preferably be from a computer terminal so that
% l) G( s- G! F8 N9 ^7 J) }> configurations can be saved or easily duplicated for production volumes.
3 q- {, K4 u5 z# q5 \& T8 Z" ^ > The units should be small and compact with shielding, and able to mount
3 W! c- j+ m+ @; s2 D2 |% S2 G > to a printed circuit board with header connector.
# u5 W7 d+ l# H+ X. f# f >
" B- n, C4 C$ C > At this time, we are interested in samples of a pair of modems that
* e* _! g6 B9 y7 J# X > might be similar to this proposed system. We do not expect that you
b; {$ C4 x+ ~0 D% l2 e7 ?3 q' s> provide all of these specifications at this time. I can describe our
+ s4 I. W& `0 S X3 A > immediate application needs in the next email if this project is of
: K# M' C! ?0 z+ p> interest to you. Perhaps you can make the samples by those
2 t2 {/ q9 v+ E> specifications. This will allow us to test your radios before we move
% ^7 d. l n5 h4 ^9 I2 n> forward. We are interested in your 900MHz radio to start.
6 d- [# J- g7 i/ y
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