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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

. j, ^; ?" {0 g" c7 \% o客户要求如下,如果哪家工厂可以做,请和我联系
1 T% d1 i5 C1 ?7 q% S7 m* M> The application that we have in mind is similar to others that we commonly
5 D! n4 z* Q9 l7 ~3 _> have. If we were to pay for FCC approval, we would want to use the modem
/ I. f- |/ N0 T, B B. x> units in all similar applications under the same approval number.
2 Y# B! A3 b& A$ \> Therefore, we would like to be able to configure the units to a specific
2 o" T/ g' @! h# P> application. For the business that we do, this approach will yield more
- R) B) ~! z/ x > sales based on the same product and approval. We are interested in the
+ L4 ?/ q+ z( O/ x$ } > following specifications:
8 \5 d! k5 k5 }. M; c P>
, a# J8 u1 d$ e/ R, j% w2 [ > - 2 inputs at the Transmitter with three possibilities;
+ O9 Y/ J5 ~/ H0 r1 L% Y > 2 analog
) {% o* Y# }. J8 v$ I7 U> 2 digital
& b& u6 D& y. I4 g3 D' ?; ` > 1 analog and 1 digital
5 {- A) y/ b& h8 {/ m' W >
0 X9 Z) Y( u8 K/ {* n6 u( g3 W > - 2 outputs at the Receiver with three possibilities to match inputs
5 q4 K$ S/ {+ _7 u; b) R>
. e6 _ u5 {' p/ T! Z. m > - Ability to configure/define analog Transmitter input ranges through
, Q t6 G6 K/ `9 l> simple programming method to correspond with full-range analog Receiver
+ W5 e: I" {* k. {: d+ M7 E; X2 o9 i, [> outputs (0 - full voltage).
6 t& e1 H6 ^. _4 W0 b+ m>
' F3 q2 p! I5 h > - Ability to configure and set sample rates for the inputs.
( }. y+ b; d* C, v6 y >
, O9 m# }, ?! H& s8 s> - Digital output on Transmitter that turns on during the sampling period.
! n4 L( U N# F. z- z>
- @8 E8 D& `2 s* R5 Q0 h > - Ability to configure a power saving Sleep Mode in the Transmitter by
4 m$ X4 O; W& g! w) k> both software control and input hardware control.
) t5 W1 j) @, w/ E& y: X >
+ o' J) X4 `0 T9 k( Z+ Y& _ > In order to configure the units, we would need a way to make the
; F$ u3 J, Z5 ~7 s7 E* a J: V) a> settings. This would preferably be from a computer terminal so that
. {3 m9 I5 c/ a% A> configurations can be saved or easily duplicated for production volumes.
0 B' ~4 d8 [+ j# j* t > The units should be small and compact with shielding, and able to mount
; ?" e- |% F& j+ `1 t > to a printed circuit board with header connector.
6 H# x5 g' d" n `0 l' H: F>
- S& U/ |* R' h4 b > At this time, we are interested in samples of a pair of modems that
% O" K3 n8 O+ y) s2 D1 Z> might be similar to this proposed system. We do not expect that you
# G( ]" T$ e. o2 ?+ { > provide all of these specifications at this time. I can describe our
' `' d$ M" S% m/ v1 V4 Y > immediate application needs in the next email if this project is of
3 s& L1 P+ H1 @) E> interest to you. Perhaps you can make the samples by those
: _5 m+ J2 d9 X+ Q% T > specifications. This will allow us to test your radios before we move
+ ]/ L7 s, g) z9 N > forward. We are interested in your 900MHz radio to start.
N e) W1 S g' k
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