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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, f- b6 e: }/ w! ~客户要求如下,如果哪家工厂可以做,请和我联系
4 c4 j' W( a4 K2 _ H& l L; y > The application that we have in mind is similar to others that we commonly
9 J( h; ^1 l% M8 m3 W > have. If we were to pay for FCC approval, we would want to use the modem
2 R3 h Q X& _( d/ n > units in all similar applications under the same approval number.
7 b5 X' Y* v1 ?> Therefore, we would like to be able to configure the units to a specific
8 F; h, g7 F2 r; R6 r > application. For the business that we do, this approach will yield more
% [* m) @& v1 J) E > sales based on the same product and approval. We are interested in the
" F' p* `( K; c9 H- t6 ]8 v8 w > following specifications:
, E* f- U! Q; Y% k$ m>
& {2 ^4 v# c8 s! i1 W0 j> - 2 inputs at the Transmitter with three possibilities;
: q' Q/ c# w5 ?6 v- r > 2 analog
1 ?6 W; \; D# Y) k4 t0 v > 2 digital
: L" g2 E4 J4 t, B$ l> 1 analog and 1 digital
: R9 N/ s4 n" u' e" w2 P >
' _3 D9 x/ j: u- V > - 2 outputs at the Receiver with three possibilities to match inputs
% h; A4 s1 z% ?7 O+ a7 g" l. M>
5 ~6 t2 M$ v, g J. ?; O > - Ability to configure/define analog Transmitter input ranges through
/ O/ t1 M( P( {7 w( o> simple programming method to correspond with full-range analog Receiver
2 ~# C1 w3 t( G> outputs (0 - full voltage).
! z/ H! m. w, a) a5 L) Y >
) }, h1 }7 ~% s G6 t4 n' o; H1 a6 J> - Ability to configure and set sample rates for the inputs.
$ C2 b4 q# ^+ p1 j+ M" n- t >
0 l. s. ]/ S8 |6 v% C3 j, L> - Digital output on Transmitter that turns on during the sampling period.
3 l, m) H ?) L$ a8 A1 j>
5 m* R9 j( k' U, y* P/ i9 }; \> - Ability to configure a power saving Sleep Mode in the Transmitter by
8 R+ Z# U9 v' }2 ^> both software control and input hardware control.
1 M; I) u' a, ~7 U+ X( A>
0 F- n9 n# u4 i! y9 @' V# s> In order to configure the units, we would need a way to make the
3 D5 M8 Q' T3 s$ b3 V> settings. This would preferably be from a computer terminal so that
% `* G/ H7 N) [ k; b8 S y+ p. Q" \> configurations can be saved or easily duplicated for production volumes.
( h. r% `% |9 \, t4 a) X( K" x9 Y7 ^> The units should be small and compact with shielding, and able to mount
" F. m8 p! |3 F: Q > to a printed circuit board with header connector.
1 e6 D# C: d( m8 c6 I>
2 Y) U5 K- q D5 j3 s% L> At this time, we are interested in samples of a pair of modems that
: [9 M- R0 ?0 i9 t6 d( w> might be similar to this proposed system. We do not expect that you
/ n$ W8 w8 N) Z3 J& p& F M4 m8 G > provide all of these specifications at this time. I can describe our
) d1 `' j9 ^% w> immediate application needs in the next email if this project is of
/ g" k$ r: S( A% [> interest to you. Perhaps you can make the samples by those
; J+ `4 e. {: V' U- X m > specifications. This will allow us to test your radios before we move
9 N9 @& s- Z( U8 J& p; z+ q! P4 T > forward. We are interested in your 900MHz radio to start.
1 M2 R) ]" J/ \& g9 _
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