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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

( |2 t5 }2 z) w 客户要求如下,如果哪家工厂可以做,请和我联系
9 c/ B6 G* s2 V' G > The application that we have in mind is similar to others that we commonly
0 ^2 X$ e3 M3 u3 C > have. If we were to pay for FCC approval, we would want to use the modem
! t+ ~! |" v5 ] > units in all similar applications under the same approval number.
2 n+ ~) E+ ]8 h' L6 b> Therefore, we would like to be able to configure the units to a specific
% v$ A8 q! A# i) ~! a) s> application. For the business that we do, this approach will yield more
% w# F6 T V; |& |2 a Y4 H0 c > sales based on the same product and approval. We are interested in the
2 p( d: o& c2 q9 {! `6 ^$ Y> following specifications:
- O. a) {2 M5 o$ j >
2 W/ \6 T! r4 _+ ~7 q2 ?: ?/ V# {- @> - 2 inputs at the Transmitter with three possibilities;
) C2 s! O+ V& H > 2 analog
( B5 { d5 i# ~4 u8 N > 2 digital
; G. u/ ~9 j e8 ~% {) |> 1 analog and 1 digital
: E" a+ s- w6 M5 `>
# c) j# A& J5 s+ O( W% A> - 2 outputs at the Receiver with three possibilities to match inputs
" \7 ?2 U6 e9 m& ^+ S$ s5 I. H >
9 r% a' E! B) ^3 ~: O' k > - Ability to configure/define analog Transmitter input ranges through
9 M; `+ Q4 }' i; i7 s {> simple programming method to correspond with full-range analog Receiver
+ m4 d* C7 C9 q0 Q > outputs (0 - full voltage).
* P. C6 r# ~' v& u* R>
- k) p( w4 i% V1 i* u! M > - Ability to configure and set sample rates for the inputs.
# w5 x) K0 ~' Q+ v" x>
, S' q8 @* _, O+ \, @( q > - Digital output on Transmitter that turns on during the sampling period.
' I9 @6 Q% ^; V$ r8 K4 a; O% j>
" l6 F" Y$ H* D$ l3 v; b/ A> - Ability to configure a power saving Sleep Mode in the Transmitter by
$ |# b. s# A: t) x% J. D4 E> both software control and input hardware control.
! s) z1 _1 n) R" Q& ^( k >
* R" v# m! |. {> In order to configure the units, we would need a way to make the
& c2 O0 M; G9 Z4 Q> settings. This would preferably be from a computer terminal so that
' q6 U& | d) m3 {" t8 N/ {/ _) B > configurations can be saved or easily duplicated for production volumes.
! Q! V- b5 r) I2 q+ ]+ }> The units should be small and compact with shielding, and able to mount
4 I3 F/ l2 T0 u1 o t > to a printed circuit board with header connector.
+ L& k! a% q& g) Y. q >
& V7 y" l3 b- c5 Y( g+ q > At this time, we are interested in samples of a pair of modems that
: M6 B8 ]2 P7 T* `1 g > might be similar to this proposed system. We do not expect that you
. _1 u9 a9 L! R1 G- s4 I% { > provide all of these specifications at this time. I can describe our
' D. K* e0 |: Z- G) u > immediate application needs in the next email if this project is of
% \: b3 _% m! z3 }7 `' d > interest to you. Perhaps you can make the samples by those
1 L# W, j! Z7 F0 A/ D > specifications. This will allow us to test your radios before we move
2 \- H* Y" u7 n# u7 a> forward. We are interested in your 900MHz radio to start.
& q4 }1 B( ?3 ]& N
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