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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

1 Z8 M0 g; h* S9 b' F4 m) t) y 客户要求如下,如果哪家工厂可以做,请和我联系
2 m3 @# a9 v1 C. ?% D; S* h > The application that we have in mind is similar to others that we commonly
6 G8 _0 M. }0 t% K1 M" R) F > have. If we were to pay for FCC approval, we would want to use the modem
& W# p4 u/ k/ Y" Y: W2 L$ A4 ]" W5 `> units in all similar applications under the same approval number.
$ e0 F7 r& ~$ w/ I0 D > Therefore, we would like to be able to configure the units to a specific
9 e8 w0 q M, |' G> application. For the business that we do, this approach will yield more
/ Z% a0 k+ w# P# \+ U> sales based on the same product and approval. We are interested in the
) b. J0 K) d# S1 S. q6 c> following specifications:
$ Y' v- x% Q! H3 D2 B1 Z C0 `>
( P! ]( H1 |2 T Y; w> - 2 inputs at the Transmitter with three possibilities;
+ M/ b6 X/ H" ^! f! ^ e. i > 2 analog
0 x7 f2 h; H2 O0 n) R2 a: P> 2 digital
8 ~. h/ }! r3 f > 1 analog and 1 digital
% M6 _" |; d; r/ z>
* w2 C; F* [# }- m, v! n > - 2 outputs at the Receiver with three possibilities to match inputs
, j G7 P3 k& M3 @>
t9 @- w2 P" z7 p9 b> - Ability to configure/define analog Transmitter input ranges through
7 R) B# j8 \2 E7 L9 n5 P > simple programming method to correspond with full-range analog Receiver
! {! L$ ^$ p( ]- R> outputs (0 - full voltage).
5 n8 o$ Z7 P! v2 f! V3 ?>
1 I- P0 J+ R# X: f4 ~ U > - Ability to configure and set sample rates for the inputs.
, @8 `- }. K9 e1 \4 u `7 F* D" ] >
) P4 A1 b5 ~/ H( Q > - Digital output on Transmitter that turns on during the sampling period.
6 Y1 E2 D }- ] >
, {! ~& C/ Y9 Q1 } > - Ability to configure a power saving Sleep Mode in the Transmitter by
- ?: J: Q/ g' S- P$ U% `' n; Z6 z2 | > both software control and input hardware control.
. K( }) a/ S# f1 U >
; ?' e7 @% n9 R" ?1 G> In order to configure the units, we would need a way to make the
- w: O" q2 U3 \> settings. This would preferably be from a computer terminal so that
4 D& g% L6 y: V7 K$ I > configurations can be saved or easily duplicated for production volumes.
. ]* @0 @% s% v; b4 i9 a# ] > The units should be small and compact with shielding, and able to mount
! X# @# K5 G: |. h2 e) E# N > to a printed circuit board with header connector.
& ]' ]2 F0 \+ `, N2 {- v>
# x7 ]7 d$ A9 t4 R" P! a> At this time, we are interested in samples of a pair of modems that
1 J8 ~# Q1 P6 O4 l% h9 d: |8 W > might be similar to this proposed system. We do not expect that you
# l; I! o; O( ^) H: e > provide all of these specifications at this time. I can describe our
! S; i6 v7 g. f- _> immediate application needs in the next email if this project is of
! Q/ ^* R: q! p4 E> interest to you. Perhaps you can make the samples by those
+ A; X! P, m0 ^/ z# U+ z2 \ > specifications. This will allow us to test your radios before we move
/ @' `3 J" q3 O6 Z" | > forward. We are interested in your 900MHz radio to start.
0 z* C, K- {% O: f3 O
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