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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

- t- U3 ]+ {' Z3 \. w. L! _& s 客户要求如下,如果哪家工厂可以做,请和我联系
( i. i4 G& X" z/ B8 d' o) D> The application that we have in mind is similar to others that we commonly
3 L) j) l" W4 Z" B w7 @. O> have. If we were to pay for FCC approval, we would want to use the modem
, b8 F+ u F, |: n' f0 L# ~ > units in all similar applications under the same approval number.
! q6 Q% p0 w. B/ b6 l7 S > Therefore, we would like to be able to configure the units to a specific
$ M# G$ n+ J" G H' z" W x6 b& T. e > application. For the business that we do, this approach will yield more
! {( l4 O! N \3 I- F6 K > sales based on the same product and approval. We are interested in the
- r$ o1 r/ X1 \> following specifications:
/ R5 O3 f0 o# v! b* d2 I/ K, [ I>
. L: t; ^4 U+ U' u* F4 }6 H > - 2 inputs at the Transmitter with three possibilities;
4 O$ W+ o$ g: b" B> 2 analog
4 x& `. b! L' R7 [> 2 digital
Z* |9 o7 C6 [- t% d3 j/ | > 1 analog and 1 digital
9 s% I+ M% x- D& L! ~% a8 n; c9 @ >
# p; H1 C3 C, K) v> - 2 outputs at the Receiver with three possibilities to match inputs
& X9 l( l% @' j' R >
$ i( d0 z# i: U: p3 n( @ > - Ability to configure/define analog Transmitter input ranges through
: ^ Q. X* E. p Q& \" l > simple programming method to correspond with full-range analog Receiver
) x; v1 b( s& f- ?2 F4 M1 w> outputs (0 - full voltage).
9 s6 t: }6 x7 I0 o >
& v; L2 w: i! p! v- q# \. s> - Ability to configure and set sample rates for the inputs.
/ g' S+ J, t- {8 P" U1 B( _. E >
3 e, F9 Z) K, v' X' ?> - Digital output on Transmitter that turns on during the sampling period.
% h' k0 V& Z# b0 e >
2 D" i+ ]6 ]6 M8 j- s > - Ability to configure a power saving Sleep Mode in the Transmitter by
, x& f+ H8 |9 a# g. A( }: T$ O> both software control and input hardware control.
0 n+ l. P) H8 J1 U; Y9 A- k>
" W4 J3 ]/ w+ H J% B0 f$ e( _* G > In order to configure the units, we would need a way to make the
3 Y# J0 D% B9 t- p# y( L* F > settings. This would preferably be from a computer terminal so that
1 o: B2 k2 f" Z3 V& D7 Q> configurations can be saved or easily duplicated for production volumes.
$ W, c: g9 p, J4 @> The units should be small and compact with shielding, and able to mount
/ ]+ W; g! r h" T > to a printed circuit board with header connector.
) q. c6 v3 `& j+ { @: ^ >
% A6 m: f% O5 H& |* D> At this time, we are interested in samples of a pair of modems that
& K/ r1 J r* m6 O1 V > might be similar to this proposed system. We do not expect that you
8 Y. e/ L. h. Q4 @) |9 d > provide all of these specifications at this time. I can describe our
0 G l4 h/ o1 j- ], `8 U1 C2 Q2 W> immediate application needs in the next email if this project is of
5 Z# q) }4 H( O# s( b8 s, W > interest to you. Perhaps you can make the samples by those
( k7 E- k8 K/ m! u > specifications. This will allow us to test your radios before we move
+ |2 a4 u5 c4 M& r > forward. We are interested in your 900MHz radio to start.
" D+ g! m$ s; h/ I
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