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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

8 A! {' Y6 G5 z) W5 ^ 客户要求如下,如果哪家工厂可以做,请和我联系
: {+ M/ D W! T: e0 B5 Q* a > The application that we have in mind is similar to others that we commonly
# [7 ]1 H2 w- w, |> have. If we were to pay for FCC approval, we would want to use the modem
6 B: Z+ a1 j2 b9 V$ N- _5 t> units in all similar applications under the same approval number.
1 J5 R/ h* B9 `$ q > Therefore, we would like to be able to configure the units to a specific
* F, T: [$ ~8 t > application. For the business that we do, this approach will yield more
- H3 h2 j$ z2 n. a > sales based on the same product and approval. We are interested in the
# Z! \1 c2 C% V4 E > following specifications:
" U' r5 G* h3 h( D! J >
9 h8 I& U5 i8 @2 N8 D* A > - 2 inputs at the Transmitter with three possibilities;
0 l" r; Z" d7 ^7 u$ c8 g4 B > 2 analog
+ R* x. M0 |4 T9 S# B8 s> 2 digital
( _8 ~: J! s8 j2 U > 1 analog and 1 digital
2 T3 O. L- C. G$ T* O* ]- }7 s >
! n9 [% ]2 V( d5 `# C1 a/ D > - 2 outputs at the Receiver with three possibilities to match inputs
Q, k4 }) G: B. c6 E >
) Y' F& D2 y! f. Q> - Ability to configure/define analog Transmitter input ranges through
1 ~8 A* j2 Q N1 B> simple programming method to correspond with full-range analog Receiver
# P* y! H, G$ s% C> outputs (0 - full voltage).
& ?" h5 ^6 O$ R, G* u' [/ y. ~4 E >
7 a; A" t" F0 y: Y9 | > - Ability to configure and set sample rates for the inputs.
. i; g7 `) l( z3 G+ V; L, P: ]>
9 I8 ?! o) ?4 f" ?" V: ]% \ > - Digital output on Transmitter that turns on during the sampling period.
7 o* M8 v0 T# E>
9 Q1 Z6 I3 z7 c# e6 F e* b# ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
) d+ _1 P, D; k, I> both software control and input hardware control.
+ d4 N$ z/ Q1 K: V* k>
, a( s) g& u) m; G3 ^0 K z > In order to configure the units, we would need a way to make the
. L# r6 D6 J3 ? > settings. This would preferably be from a computer terminal so that
?) N l# H4 D- b4 R5 U> configurations can be saved or easily duplicated for production volumes.
* F. X, J+ w6 ]( ~ Q> The units should be small and compact with shielding, and able to mount
) H; |# x3 g" V. h > to a printed circuit board with header connector.
9 _1 u, u# _- p1 ` >
% c; v% i4 k; g/ d' z > At this time, we are interested in samples of a pair of modems that
: m0 m8 T' a1 h; X W. _: {> might be similar to this proposed system. We do not expect that you
" ]; G" l/ W+ B8 w( h > provide all of these specifications at this time. I can describe our
6 g* h/ L; h) o1 ` > immediate application needs in the next email if this project is of
! h. C; }" A3 V1 A4 P* j. R > interest to you. Perhaps you can make the samples by those
* s8 p, A: A# P2 A* M, B! g > specifications. This will allow us to test your radios before we move
, m8 Q z: U6 e& M2 B: B% K8 i > forward. We are interested in your 900MHz radio to start.
4 b/ W6 k9 L+ }% _0 c# s! d* A
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