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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

9 b4 b) { G+ C/ S X t: x 客户要求如下,如果哪家工厂可以做,请和我联系
1 a0 W9 `5 f# i7 W> The application that we have in mind is similar to others that we commonly
& h! @) q! B" K > have. If we were to pay for FCC approval, we would want to use the modem
! a# ]5 A" I& x > units in all similar applications under the same approval number.
. a/ J6 r# H& G2 C# E5 a) t5 Z > Therefore, we would like to be able to configure the units to a specific
5 a) ~. c7 T" l- v0 m/ T1 {> application. For the business that we do, this approach will yield more
+ T, @9 Q$ b7 `& ]) A0 j> sales based on the same product and approval. We are interested in the
* c R% c( q0 @+ h> following specifications:
3 W& o5 O- I" k0 k8 M x>
' S) `3 f5 ?0 q > - 2 inputs at the Transmitter with three possibilities;
& N" t! q! Z5 W5 \% F> 2 analog
8 ^, B2 `& V0 | > 2 digital
4 y, J6 K( p' {. m1 [, u( I> 1 analog and 1 digital
' Z3 }! t% \7 ^: P C3 [. p>
3 V' T# _+ ?; Q; L ]: F6 [ > - 2 outputs at the Receiver with three possibilities to match inputs
$ D, B1 r$ ?+ u# J+ I >
2 H7 ~# q, T/ v! d" L> - Ability to configure/define analog Transmitter input ranges through
. X& n2 A/ U% M/ F8 L3 R > simple programming method to correspond with full-range analog Receiver
. _3 r: {$ ^8 T" \9 C> outputs (0 - full voltage).
8 B2 q/ o z& i* R& g/ D3 C >
# B1 R& O: O) Z# ]8 C1 k> - Ability to configure and set sample rates for the inputs.
2 B& R( i6 o/ v# D; p$ x' q >
+ T0 {2 R# w( R6 ]2 ^+ h5 i > - Digital output on Transmitter that turns on during the sampling period.
( l1 M" Z+ Y8 s) d1 @>
3 o4 h9 Y2 V! Q m. U > - Ability to configure a power saving Sleep Mode in the Transmitter by
) @9 A! n+ w) S5 e: w1 I > both software control and input hardware control.
7 h+ {/ C) L5 A/ i/ d/ f9 W; @ >
" v. B0 \1 t/ x K> In order to configure the units, we would need a way to make the
( H; `& A" e. e: t) X > settings. This would preferably be from a computer terminal so that
, `6 n9 p: L. a( E% P> configurations can be saved or easily duplicated for production volumes.
7 Q' O, j x/ S0 X7 S> The units should be small and compact with shielding, and able to mount
; |3 M5 ~! S0 X( x# B+ B. b% j> to a printed circuit board with header connector.
+ n3 U' ~8 d& o' l" p( f' q, Q >
/ L0 t1 c2 H# ^% e. C% `7 g/ X > At this time, we are interested in samples of a pair of modems that
/ _* O5 M! D9 ^. N, `) E4 Z" |> might be similar to this proposed system. We do not expect that you
& ?" C3 l4 U& D > provide all of these specifications at this time. I can describe our
- w& X$ G: l3 K% Z+ U$ \( e# j; M > immediate application needs in the next email if this project is of
4 B0 k- O' n! W5 I) N> interest to you. Perhaps you can make the samples by those
8 c* D2 Z# r9 \5 [ > specifications. This will allow us to test your radios before we move
3 ^/ P" W1 ^( ]" x- m> forward. We are interested in your 900MHz radio to start.
5 `& k& e3 q7 v
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