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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

, d0 R( n+ q( c/ {* M客户要求如下,如果哪家工厂可以做,请和我联系
u& b9 B. p$ o' ~7 M* ~. B> The application that we have in mind is similar to others that we commonly
$ N ~- z8 v2 Z3 |2 Q > have. If we were to pay for FCC approval, we would want to use the modem
n$ b; v) O5 j9 W; N > units in all similar applications under the same approval number.
! Z0 P$ `; e5 F! j1 N > Therefore, we would like to be able to configure the units to a specific
U8 L" O& h Y$ x > application. For the business that we do, this approach will yield more
! c4 F3 J2 Y; _' c% D4 U5 t+ R> sales based on the same product and approval. We are interested in the
5 Z/ z9 I9 d9 v: R8 ]> following specifications:
% T2 N } N# l2 l7 @* s4 _ >
6 n! I. r8 p' w- O2 C. J. j> - 2 inputs at the Transmitter with three possibilities;
( X* s' K9 O# ^2 b- ?& V> 2 analog
3 C- E: C% M8 h3 K > 2 digital
4 U, g/ J: }8 e# q> 1 analog and 1 digital
6 k3 s* n8 ]% l3 f- D. J, k8 H>
% m; J1 ]+ S7 c( \1 s" S- Q8 `! w$ r > - 2 outputs at the Receiver with three possibilities to match inputs
: Y% _$ [# ]5 @ `; I >
* n+ E, Y' b/ {4 D A> - Ability to configure/define analog Transmitter input ranges through
' z, d' y* x; b- { > simple programming method to correspond with full-range analog Receiver
) ^8 l4 s5 T3 A" j+ Q$ Y7 h! ?> outputs (0 - full voltage).
6 H7 B, c, l8 Z$ G/ c >
$ F* E! _/ e( e& b$ _ > - Ability to configure and set sample rates for the inputs.
+ `1 E9 [8 \) u6 R- ^' a1 l >
: v$ U# G# Z2 Q; c( j. Y3 l9 l > - Digital output on Transmitter that turns on during the sampling period.
3 l! ^% g- w: C, K% f' f( x2 i >
9 w/ X. C8 @6 p> - Ability to configure a power saving Sleep Mode in the Transmitter by
9 W5 {: g$ E/ {> both software control and input hardware control.
% q; W2 Z' E1 D( X>
- a" p c9 s$ c1 w > In order to configure the units, we would need a way to make the
& d! J" ^5 W8 Q0 N' N8 V: W' N* K > settings. This would preferably be from a computer terminal so that
* x9 U* X. c b+ _+ R> configurations can be saved or easily duplicated for production volumes.
1 M/ o# V, f- r6 p3 }) ?4 Y > The units should be small and compact with shielding, and able to mount
# O7 W( x9 B% z& r> to a printed circuit board with header connector.
" w0 t. X. ?3 {$ V( @9 a1 K' \& k0 { >
8 M0 J) h- ~/ }9 k+ `> At this time, we are interested in samples of a pair of modems that
# U" H. d; B8 j' M8 P, J( c > might be similar to this proposed system. We do not expect that you
. y2 I& g H- }$ A( m0 ^ k> provide all of these specifications at this time. I can describe our
1 G6 ?% M0 m3 R. ~6 _ > immediate application needs in the next email if this project is of
9 ` \: a1 R# ]! l> interest to you. Perhaps you can make the samples by those
7 h1 ~7 Y3 g9 `) Y: F2 T> specifications. This will allow us to test your radios before we move
/ a7 W* ^1 k7 w# s > forward. We are interested in your 900MHz radio to start.
+ ~( j- P+ m1 \- a f( P
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