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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

: x, |! W8 M# D9 g' F u. f, a' [* [ 客户要求如下,如果哪家工厂可以做,请和我联系
7 ]# G9 B: x& x- J$ W > The application that we have in mind is similar to others that we commonly
" N5 g0 M4 u) T+ n+ O0 h* l> have. If we were to pay for FCC approval, we would want to use the modem
0 j( M9 K0 g" A2 W> units in all similar applications under the same approval number.
; ~, k1 H5 e4 k! o( B) P, E' ^> Therefore, we would like to be able to configure the units to a specific
- R; V1 R5 | h& B, [$ P> application. For the business that we do, this approach will yield more
+ f- z$ U# n" \$ ] > sales based on the same product and approval. We are interested in the
6 Y; b6 u, M& `6 \ p* b: m1 x> following specifications:
" R8 n; |% G% p4 k/ {: X>
$ C7 v- B+ D6 ~" U5 V > - 2 inputs at the Transmitter with three possibilities;
& G' \6 g: ?* ]! u- T6 K* C2 f> 2 analog
% X; I# a* z$ V> 2 digital
2 p5 E- H' Y" m5 h1 @6 k& j> 1 analog and 1 digital
6 M1 F' [1 d9 z% w) W >
5 n3 ]7 {9 e& P2 k4 b/ R E% U a> - 2 outputs at the Receiver with three possibilities to match inputs
" ` _3 A/ f+ @/ _" g>
+ F4 E" {) ], z1 b1 U# P& V! B* K7 ] > - Ability to configure/define analog Transmitter input ranges through
; t/ R( ]# I# p4 y4 B > simple programming method to correspond with full-range analog Receiver
/ D# M1 V- r$ h* T4 g( g- L' [1 j> outputs (0 - full voltage).
& E4 s6 L$ k$ y) O% `: q >
5 C6 Z3 y& ?! k) p2 f3 l- V( m> - Ability to configure and set sample rates for the inputs.
j. e# {' z' M, d! C >
4 T2 h1 ]; ^: V; X+ w$ ]> - Digital output on Transmitter that turns on during the sampling period.
( V. {- c# u( E>
* F; X$ b( l( T. O1 }& H* w, v! b > - Ability to configure a power saving Sleep Mode in the Transmitter by
+ _, [* ^) c& Q5 O. K0 |3 ?7 U > both software control and input hardware control.
# }7 O/ \( G3 b' ]9 E! t% e, _ >
- @6 O0 _' L1 X$ R! \& M( y3 H) }( q0 { > In order to configure the units, we would need a way to make the
+ _- Z8 ^- V3 [1 | u > settings. This would preferably be from a computer terminal so that
: {/ t1 y3 J. W% m, V> configurations can be saved or easily duplicated for production volumes.
3 O( ~# f9 d J > The units should be small and compact with shielding, and able to mount
# D1 b# x# a+ A: g. H7 b- q > to a printed circuit board with header connector.
% N" }9 d m' L, n >
4 M* o5 Z- S1 ^. d) E4 Y; m3 n > At this time, we are interested in samples of a pair of modems that
& \( C- ` z* N0 N5 \* j> might be similar to this proposed system. We do not expect that you
: |2 G1 @/ l" P- s, q* X. H( @1 k2 X > provide all of these specifications at this time. I can describe our
: \$ V# y$ d) v" E4 P- A# n> immediate application needs in the next email if this project is of
( \; \7 c& h% A S2 ~6 U4 Q, h> interest to you. Perhaps you can make the samples by those
5 ^; P/ y. i, I3 T7 F4 L2 V> specifications. This will allow us to test your radios before we move
* |) W& h0 q, `' r > forward. We are interested in your 900MHz radio to start.
$ k: `4 ~* d1 t v, O
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