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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

3 k* E7 I1 S& Z9 H& f 客户要求如下,如果哪家工厂可以做,请和我联系
" b1 T1 U% {' D7 @( v4 G> The application that we have in mind is similar to others that we commonly
1 S4 i$ h- v3 G. |, B$ P5 G& D > have. If we were to pay for FCC approval, we would want to use the modem
6 y5 q: s3 H3 y7 U> units in all similar applications under the same approval number.
7 f8 k' H/ ~, U5 c% b1 L > Therefore, we would like to be able to configure the units to a specific
% l9 K4 [" O8 ~. a> application. For the business that we do, this approach will yield more
: J# h/ ?5 x1 Q' N' t0 P, P> sales based on the same product and approval. We are interested in the
, i/ b, T5 N% J. Y> following specifications:
& j E' e+ [* b- x" H0 G>
% L) t2 P6 e+ K& q8 W > - 2 inputs at the Transmitter with three possibilities;
# C( n6 w8 a5 V' l > 2 analog
! _1 S5 }3 h+ x > 2 digital
# D- I; J2 G$ w1 l1 y7 g > 1 analog and 1 digital
8 G4 O, @ T8 F* L2 C/ ~ ?" t >
6 W/ \2 _6 _, l$ ~( p% v > - 2 outputs at the Receiver with three possibilities to match inputs
+ e& |9 }4 {! M- \5 s! S>
# M+ S4 e$ t6 ^* R4 L D% v > - Ability to configure/define analog Transmitter input ranges through
) n- E: g4 t! j$ n > simple programming method to correspond with full-range analog Receiver
" Z( C5 e# N/ F > outputs (0 - full voltage).
5 v; O+ {" w5 d# w>
5 F5 E A( R: s; K> - Ability to configure and set sample rates for the inputs.
- m R( B% e) I% ` >
1 Q+ S% X0 |) J$ B7 q& y > - Digital output on Transmitter that turns on during the sampling period.
. z6 |: L: ^% f5 K" m9 o2 z2 { >
2 W" O: }) e2 o- ^2 _( s$ t> - Ability to configure a power saving Sleep Mode in the Transmitter by
) R3 K$ N2 u* I2 P0 a2 u( @9 f > both software control and input hardware control.
O% U- s( F' Q% l& c/ k/ z' k >
9 T0 I7 v3 @' i' c> In order to configure the units, we would need a way to make the
4 j% {2 f% ^2 @5 t& `> settings. This would preferably be from a computer terminal so that
+ u9 `1 ^) {1 f% `+ s: [> configurations can be saved or easily duplicated for production volumes.
9 j- f$ D0 R- T/ X> The units should be small and compact with shielding, and able to mount
; |% u- ?8 U! I1 U6 | > to a printed circuit board with header connector.
: l: z+ @) @! j/ e# {' L0 a >
) a# X0 f3 t1 i+ _6 j) K> At this time, we are interested in samples of a pair of modems that
$ S' T" _) P( U/ e> might be similar to this proposed system. We do not expect that you
5 U) Z4 Q; Q! C2 c# f > provide all of these specifications at this time. I can describe our
. n3 P# Q; n* M1 \3 O+ U2 H > immediate application needs in the next email if this project is of
2 V/ H' n7 h1 i7 l > interest to you. Perhaps you can make the samples by those
% U) u1 @ f) F) b0 r > specifications. This will allow us to test your radios before we move
7 [1 h/ _' d+ H9 @2 V% X* K, c > forward. We are interested in your 900MHz radio to start.
9 C. H$ q) s) {( H1 T
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