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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 L$ Z1 n0 X5 @: |, h6 U客户要求如下,如果哪家工厂可以做,请和我联系
F) t' q" Y& t, F3 D; V% O> The application that we have in mind is similar to others that we commonly
6 }! w" \/ g' D, y P > have. If we were to pay for FCC approval, we would want to use the modem
+ Z% J$ n3 R$ b! j( ^5 Q > units in all similar applications under the same approval number.
% F9 K8 R/ _- n! d# l3 _2 D > Therefore, we would like to be able to configure the units to a specific
A( y2 Y1 o5 u> application. For the business that we do, this approach will yield more
- n0 E. I& w" A3 O8 C > sales based on the same product and approval. We are interested in the
1 p. k/ E7 w& P3 `> following specifications:
! x6 ^# ^# O2 ?, ]>
! C! G' |9 B. e: Z C. N) d > - 2 inputs at the Transmitter with three possibilities;
9 m9 D: t" n a5 p; E> 2 analog
7 X- f* ?. S' `5 O9 V! ] > 2 digital
6 i4 j. J3 u: _1 o& ~9 d> 1 analog and 1 digital
+ M: O/ F- _( \$ s >
7 r! G! F3 z# h8 { a > - 2 outputs at the Receiver with three possibilities to match inputs
$ d% W. ~& {/ R3 I6 J >
" A/ \! J6 I# N8 z3 X, e> - Ability to configure/define analog Transmitter input ranges through
1 h. K9 I' }5 x' v> simple programming method to correspond with full-range analog Receiver
5 n b4 }! I' Z# d K> outputs (0 - full voltage).
7 B/ T' F, |* D1 q/ M' c>
; [/ u4 q w6 |8 n> - Ability to configure and set sample rates for the inputs.
( T' a1 w7 u- S >
, m5 X, f( L+ _" l! T0 G Y > - Digital output on Transmitter that turns on during the sampling period.
5 T4 `0 F! ~. E& P! P. s>
/ q/ I. v. u' E+ b0 v > - Ability to configure a power saving Sleep Mode in the Transmitter by
* r% W! o6 a7 h9 o9 n% @> both software control and input hardware control.
: |" o$ C# j+ O >
3 M. c1 u6 {* R; e > In order to configure the units, we would need a way to make the
0 g6 V( [8 G& t V; y/ T* Q8 x > settings. This would preferably be from a computer terminal so that
. u8 w- P+ \! J( ~3 ?> configurations can be saved or easily duplicated for production volumes.
8 S( U; V) D9 ?4 e2 I. q2 ^3 i > The units should be small and compact with shielding, and able to mount
% ]* [5 x% G; a' d: v> to a printed circuit board with header connector.
( X: Y: ^- R! t- F >
$ ^& I; a/ s9 _- {( V$ n > At this time, we are interested in samples of a pair of modems that
, M. B3 A3 ?% M$ J. v: } > might be similar to this proposed system. We do not expect that you
2 }5 b) l9 t( F. ]: u s% L > provide all of these specifications at this time. I can describe our
. w, c6 K( P. O6 v, j R. t> immediate application needs in the next email if this project is of
5 \& ^6 G; ?) t5 i# ` > interest to you. Perhaps you can make the samples by those
3 x6 ^9 h; h M0 w> specifications. This will allow us to test your radios before we move
2 U% q4 m2 a) J! }* Y$ m0 i) R6 @& ~ > forward. We are interested in your 900MHz radio to start.
; c5 V; c1 y: k' ^
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