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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

( o/ G* f& o. W2 ~9 v# V 客户要求如下,如果哪家工厂可以做,请和我联系
1 E: z7 C0 `- o: A" }& O> The application that we have in mind is similar to others that we commonly
; P6 ]' e& ^4 ]. B> have. If we were to pay for FCC approval, we would want to use the modem
( e7 D6 j% v1 H5 V5 [% a > units in all similar applications under the same approval number.
( W3 }* [/ V) | f" _ > Therefore, we would like to be able to configure the units to a specific
; i+ W2 z- U5 { > application. For the business that we do, this approach will yield more
3 O# F' _* q' z > sales based on the same product and approval. We are interested in the
2 _* `! c( J. C7 g" R( m3 f> following specifications:
; N$ F0 [ l, i >
! `, ` O: d- e& b3 L3 b> - 2 inputs at the Transmitter with three possibilities;
& D c4 e V+ U6 a; y$ ~> 2 analog
3 y' k" F$ B! h( @2 l4 l0 ?3 x; h. S> 2 digital
. o5 w8 s/ C5 m6 j7 I2 d8 F8 m > 1 analog and 1 digital
, P" N, V, L' n, E >
$ Y r9 D5 g. f- U> - 2 outputs at the Receiver with three possibilities to match inputs
& V1 U; F. j7 O+ C+ V. A' ?5 t( c9 U>
% o+ @; i% R# c Q% M: U > - Ability to configure/define analog Transmitter input ranges through
7 {9 W2 \1 y, t* h9 I" C> simple programming method to correspond with full-range analog Receiver
* E4 w) V) A, w8 y: ~: s > outputs (0 - full voltage).
' F* b$ i. b# G# l>
; W! d) h/ p3 b8 @, j7 K- p/ r> - Ability to configure and set sample rates for the inputs.
7 d' J0 @, Z" }% s: T2 p>
" L" w: l* @# s2 B4 @/ n9 w > - Digital output on Transmitter that turns on during the sampling period.
: H) T- I I1 w# Q: T( }7 b>
8 ?0 K/ W5 c% N) _) q C' z4 t > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 ~1 ~% {* U$ L' K2 ~+ F2 Z$ ]3 A > both software control and input hardware control.
" \0 V5 O: |/ d+ C& [! S >
* [. ?# l3 {2 X3 s > In order to configure the units, we would need a way to make the
4 P9 W" i- z) D9 }7 ?5 W( z> settings. This would preferably be from a computer terminal so that
9 t" P9 f5 G* r# O% k2 X: f! M > configurations can be saved or easily duplicated for production volumes.
! C1 {% _# F; P9 z8 C: `0 P > The units should be small and compact with shielding, and able to mount
* s* R1 C* Q; ^1 L8 U4 Z; a > to a printed circuit board with header connector.
, Y3 k8 n' T5 _& i6 n>
$ }- ^; l- r% Q# V9 j4 t1 S > At this time, we are interested in samples of a pair of modems that
& R, x4 d: S9 v2 v! d* e! W8 Y> might be similar to this proposed system. We do not expect that you
* ^! d A' b9 F* d% f9 X> provide all of these specifications at this time. I can describe our
; B! K# H: @( q! L > immediate application needs in the next email if this project is of
8 q. {. X/ n% f& v8 O3 H+ E1 O> interest to you. Perhaps you can make the samples by those
9 E+ `) X3 [" z1 n" ~0 \' S" k% W > specifications. This will allow us to test your radios before we move
0 O) z) @# l2 a6 m> forward. We are interested in your 900MHz radio to start.
1 ?, T5 ^) p6 ~" K" [- S
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