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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

6 Y4 R) v: n8 R 客户要求如下,如果哪家工厂可以做,请和我联系
4 q& ~ U! [& v> The application that we have in mind is similar to others that we commonly
* u. W+ `8 z3 Z5 `* U9 N, N> have. If we were to pay for FCC approval, we would want to use the modem
8 n2 g* y4 \- E> units in all similar applications under the same approval number.
6 m# f5 \7 A0 u3 {* r7 ]6 j> Therefore, we would like to be able to configure the units to a specific
- F2 I$ j2 D3 ^% B> application. For the business that we do, this approach will yield more
: T2 l( x% r8 }7 a> sales based on the same product and approval. We are interested in the
7 Z* n& b# N; M$ X: _; h l > following specifications:
2 o% r/ ~3 [) R" l4 G; \>
/ ^9 @5 U$ }6 W/ M( d > - 2 inputs at the Transmitter with three possibilities;
8 G; H5 ]/ y* I! G> 2 analog
2 }# U& N4 g" K- _$ @: R; U> 2 digital
8 X1 h( W* V* O% L > 1 analog and 1 digital
8 |0 I! }$ f9 d* q2 D>
S) {+ j6 F. z! I/ j8 L> - 2 outputs at the Receiver with three possibilities to match inputs
9 U$ Q u$ m6 v/ B3 {; T+ T. i% f >
[2 i4 D, M+ O6 o% W > - Ability to configure/define analog Transmitter input ranges through
2 @7 Y2 s7 S; J$ m> simple programming method to correspond with full-range analog Receiver
& a/ d1 }" l2 B% X& h6 B7 s* v > outputs (0 - full voltage).
- d$ }$ k; ~3 l* }1 u& m! Q>
* }# H0 V2 L+ `7 l% q7 O; S> - Ability to configure and set sample rates for the inputs.
7 N9 ~% ~3 \" B4 i0 r( A4 u7 M >
3 f! r' k: c+ A' F8 W+ B> - Digital output on Transmitter that turns on during the sampling period.
/ N H+ F0 g, A0 A; l3 x6 q/ m >
1 F" V P6 V: w- R4 E7 Q > - Ability to configure a power saving Sleep Mode in the Transmitter by
- _/ L, p8 z+ o; k$ g > both software control and input hardware control.
% ]& C" j+ N0 V# q& h/ ~>
8 F% Z5 x) K2 t$ y+ m. {> In order to configure the units, we would need a way to make the
2 V; i2 L5 ?# \0 d$ D+ ~ > settings. This would preferably be from a computer terminal so that
, F, |; G( e/ @( S> configurations can be saved or easily duplicated for production volumes.
: @! |" b, s. r; p > The units should be small and compact with shielding, and able to mount
" u5 O7 N q& u9 e, [1 \6 h> to a printed circuit board with header connector.
2 w% m5 }3 t& r! A' @2 l>
- U% r# L; ?2 r > At this time, we are interested in samples of a pair of modems that
. I' l& g5 y( L' D" z> might be similar to this proposed system. We do not expect that you
! {5 }7 o2 z4 [ > provide all of these specifications at this time. I can describe our
5 e; t- _1 d/ f( f. g/ k. k> immediate application needs in the next email if this project is of
, F4 V3 e" q5 z9 k' ~, T> interest to you. Perhaps you can make the samples by those
- r4 B* n2 U+ n3 T7 i- R' b> specifications. This will allow us to test your radios before we move
6 ^# n4 v+ r1 w z/ m> forward. We are interested in your 900MHz radio to start.
, k2 {- u2 v- b
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