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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

# M2 q! S. ?- Q1 \& E1 { 客户要求如下,如果哪家工厂可以做,请和我联系
; }6 j% {& o% }; }; q% P1 n) P" ^ > The application that we have in mind is similar to others that we commonly
, R D: V4 H; T > have. If we were to pay for FCC approval, we would want to use the modem
! f& S3 K, H7 q: K > units in all similar applications under the same approval number.
6 h2 P, i- {- U+ A. ?* n; C6 R9 h > Therefore, we would like to be able to configure the units to a specific
- k4 c4 J z+ ~- ?> application. For the business that we do, this approach will yield more
. s' [6 T9 Q- r$ T# m7 T* I > sales based on the same product and approval. We are interested in the
, `; b% @( Q D- o: M > following specifications:
4 [ ~' Y4 ^- G8 D>
" v( D1 L$ c$ e0 `. [> - 2 inputs at the Transmitter with three possibilities;
. @6 z9 O& X5 q% }0 n& v > 2 analog
" l' A p) s5 C" t0 c6 S$ B > 2 digital
9 ~! h- _4 j# Q; b' I( `> 1 analog and 1 digital
. W! p) z$ A2 {, ^# G/ u( g >
. Q7 V& I6 b/ {& F z4 b > - 2 outputs at the Receiver with three possibilities to match inputs
/ n' Z+ L, O) j+ k( Y' @ >
- o$ ]5 w9 v. k7 K. z0 G> - Ability to configure/define analog Transmitter input ranges through
5 J5 D# z& Z+ G, l, v# a/ l> simple programming method to correspond with full-range analog Receiver
( H4 A4 z! s* V1 w: C6 h7 G > outputs (0 - full voltage).
0 L8 @- X/ t; {' A2 c>
# X* E+ Z- E3 w _8 j* e5 C5 ^0 l0 p> - Ability to configure and set sample rates for the inputs.
+ R* Z: t. l4 c, q>
' d$ m G: E1 @+ ]" `. A m> - Digital output on Transmitter that turns on during the sampling period.
3 H! }, v6 R' r>
! b7 |* t4 e7 ?: U0 d> - Ability to configure a power saving Sleep Mode in the Transmitter by
s4 z$ }: p, v8 l1 }6 _. Z( U > both software control and input hardware control.
: N' o' C0 F9 Z3 _ >
* m' ^5 u4 v& _( x > In order to configure the units, we would need a way to make the
6 i' `' u* V/ k3 q> settings. This would preferably be from a computer terminal so that
3 P% | R% X( B, ~" d > configurations can be saved or easily duplicated for production volumes.
5 d8 `/ k- {3 d& @3 W' P3 @ > The units should be small and compact with shielding, and able to mount
) J4 P- _( ^* |& D, S' d > to a printed circuit board with header connector.
; h5 v0 Y/ ]9 ] s9 _# f>
: k1 i6 c/ d5 ` Q > At this time, we are interested in samples of a pair of modems that
) h; J. s' f- t; N) |> might be similar to this proposed system. We do not expect that you
! l9 i& l/ d& n8 W& D > provide all of these specifications at this time. I can describe our
5 r7 Y" @. P2 ~ > immediate application needs in the next email if this project is of
* y# n4 U& U o: M. T; P> interest to you. Perhaps you can make the samples by those
: A# ^/ L, j4 g+ \# y$ a > specifications. This will allow us to test your radios before we move
" \8 B. e5 n9 s' {3 K- Q+ l$ F > forward. We are interested in your 900MHz radio to start.
& ^4 N1 d' q" o, `( v) @
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