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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

m- x: q6 h- ~! W6 O3 [( v$ _# g客户要求如下,如果哪家工厂可以做,请和我联系
9 X9 Y$ e! N# T% E > The application that we have in mind is similar to others that we commonly
I% m3 A: U/ `6 R I> have. If we were to pay for FCC approval, we would want to use the modem
. O# E0 D. P& S% U+ z% {7 o > units in all similar applications under the same approval number.
4 V8 T9 f+ f) h> Therefore, we would like to be able to configure the units to a specific
' |( N& k4 e7 v0 T/ J> application. For the business that we do, this approach will yield more
7 [, M/ @& _: E) S# b > sales based on the same product and approval. We are interested in the
7 t5 y2 y8 g$ Q7 Y# }; S( O> following specifications:
' {' J k3 z2 j2 C>
3 y; y# n3 b1 Y" J9 u: T > - 2 inputs at the Transmitter with three possibilities;
# @5 T$ I+ k* M: v > 2 analog
1 U( P' q- i2 @6 S3 W! c0 ~% \ > 2 digital
3 P( u% R' n A) w3 \. w1 [> 1 analog and 1 digital
, g% T; s5 @8 F >
3 P- J9 K9 t* a8 l* Y> - 2 outputs at the Receiver with three possibilities to match inputs
. H# r( p. P7 x# [7 i8 F >
1 p# M1 E/ Q% @+ o& [" V5 M> - Ability to configure/define analog Transmitter input ranges through
# s& I( z: m d. P! p* p+ x* D > simple programming method to correspond with full-range analog Receiver
8 z+ m1 f! e V> outputs (0 - full voltage).
3 W5 G* \% i' |+ Y. |) | >
, c( b) h9 A6 m) |, c- f3 o> - Ability to configure and set sample rates for the inputs.
1 U% {3 H( Q3 U/ L& i2 o >
# m4 f) O3 T1 Z; q9 A > - Digital output on Transmitter that turns on during the sampling period.
& o& Z+ b$ t* j; q: i >
9 @, ]* ?) D% |+ w: K5 j X> - Ability to configure a power saving Sleep Mode in the Transmitter by
~# R- q' `: }$ s& P3 r > both software control and input hardware control.
& D1 y) u( p9 M: ^9 {>
& J; j! r% c7 ]* U9 N > In order to configure the units, we would need a way to make the
5 w- t9 q, Z8 y& G1 \ > settings. This would preferably be from a computer terminal so that
2 f/ h7 F1 z, I3 R! L# _- o > configurations can be saved or easily duplicated for production volumes.
: t# N; x1 e j1 y> The units should be small and compact with shielding, and able to mount
4 n$ J# K/ E! Z' c$ i; C > to a printed circuit board with header connector.
_/ R8 f% Z8 {& K4 W3 f% J* z >
3 W q/ z3 o8 {( q3 t > At this time, we are interested in samples of a pair of modems that
! O8 A2 L& Y/ u/ I# e> might be similar to this proposed system. We do not expect that you
* g/ B+ i4 v' V4 P; }( K" R > provide all of these specifications at this time. I can describe our
' D$ G4 f E( B3 O- m$ c' R. N > immediate application needs in the next email if this project is of
2 r. x( O! k; x5 C1 a > interest to you. Perhaps you can make the samples by those
9 ?- E& W* k6 E7 v" D > specifications. This will allow us to test your radios before we move
- }$ T; q8 u' Q> forward. We are interested in your 900MHz radio to start.
# ]; H# {% i6 }% w0 K8 l
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