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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

% u0 S6 n3 G- [; p+ b) l; \ 客户要求如下,如果哪家工厂可以做,请和我联系
0 }1 l0 c! ]) q, f* e> The application that we have in mind is similar to others that we commonly
0 `6 W/ |9 L; Z# ~* q% z0 R( s) l > have. If we were to pay for FCC approval, we would want to use the modem
+ a1 b2 J4 K, D# t d$ ]9 j> units in all similar applications under the same approval number.
1 O! _' F6 h' M4 o! ?8 q4 {8 w> Therefore, we would like to be able to configure the units to a specific
, j9 P) m! G, n5 |8 G# ^6 B4 }7 ^ > application. For the business that we do, this approach will yield more
' _ m5 o9 C! |2 p6 d# U* y> sales based on the same product and approval. We are interested in the
* G! T N& g; v' K> following specifications:
7 f# K* ^) s* k% @>
- q; l: A$ Q1 m' X > - 2 inputs at the Transmitter with three possibilities;
0 F! _0 D1 V4 ~# H- C7 v> 2 analog
; R' _' N/ q4 n3 V > 2 digital
) R, d4 m I: P" i1 q > 1 analog and 1 digital
1 N! Q: v0 C* a: @# ]. j >
- W! d9 q6 O+ j4 F& W> - 2 outputs at the Receiver with three possibilities to match inputs
. g$ F! g4 u' |' h+ k% C3 [ >
8 C: s' ?6 V$ q: q5 z$ R0 t- h$ l > - Ability to configure/define analog Transmitter input ranges through
* w- r) |, U7 o8 m2 j1 h# i5 r> simple programming method to correspond with full-range analog Receiver
2 ^3 B1 ^2 h& t4 d5 n* [ x8 @& ]; Z > outputs (0 - full voltage).
$ ?' M! R, c, L/ ^( Z/ r0 m >
: E4 K; Y: a+ f> - Ability to configure and set sample rates for the inputs.
m) ~0 [3 y u>
( U) u- R0 f6 \) w& o > - Digital output on Transmitter that turns on during the sampling period.
: `0 b0 [9 R. s5 q$ ^4 X* z >
: D" ^( ]- l' h4 Y: R2 S H> - Ability to configure a power saving Sleep Mode in the Transmitter by
/ h. h2 `( B( f> both software control and input hardware control.
! i; U8 I' J% L1 d0 Q>
$ [3 s% ?1 g0 D! P > In order to configure the units, we would need a way to make the
9 e* n% q; q3 j% J2 x0 s; A$ {! K > settings. This would preferably be from a computer terminal so that
( Q2 j% a9 R0 s( Z' Z > configurations can be saved or easily duplicated for production volumes.
: \8 ~" {; B. ]9 P' V$ E+ @> The units should be small and compact with shielding, and able to mount
* x7 _ B$ K' h* m! p: H* `" P > to a printed circuit board with header connector.
& F$ t- c4 G3 f* v7 L3 E5 m5 K >
f1 `( u/ H$ R6 b; @* N > At this time, we are interested in samples of a pair of modems that
; l1 x5 G) C# v3 U$ W> might be similar to this proposed system. We do not expect that you
: C% a# W7 r+ K* d( G/ D4 F > provide all of these specifications at this time. I can describe our
% w$ ]% R0 h0 }3 z( x > immediate application needs in the next email if this project is of
' |/ P9 Z' ^( E$ C1 u: v> interest to you. Perhaps you can make the samples by those
* N5 }& c+ c7 i" W/ G2 W > specifications. This will allow us to test your radios before we move
: p' y! g2 D1 Y0 S> forward. We are interested in your 900MHz radio to start.
" \! K; `9 n' V! G" H( K
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