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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

4 q+ e" `# M6 Y! k$ _/ u 客户要求如下,如果哪家工厂可以做,请和我联系
/ y; o$ p0 M/ S+ J$ z. [ b9 ~ > The application that we have in mind is similar to others that we commonly
" _; ^) u' \8 ?, i' k > have. If we were to pay for FCC approval, we would want to use the modem
. c# h! m( N* X( Y- s > units in all similar applications under the same approval number.
4 M& Z7 A4 b" H) {" Y> Therefore, we would like to be able to configure the units to a specific
: K0 R+ b0 s% G" g+ x> application. For the business that we do, this approach will yield more
6 a* s1 x# T# S( Y" q8 Q > sales based on the same product and approval. We are interested in the
& Q/ ?& e" c' `* ?" B: x% D > following specifications:
9 X; L* ^! b. J >
3 I8 ?7 g, f2 i: B% F8 P; _9 h > - 2 inputs at the Transmitter with three possibilities;
5 Q1 g8 ~6 d( {> 2 analog
& ?% R: k/ I- l2 h: O7 s6 f> 2 digital
# \, D- M+ V7 ]( P> 1 analog and 1 digital
% U+ d% y/ j2 k Q! w8 c0 I" c>
# y* k% [9 l9 ^: B; w& Q4 _ > - 2 outputs at the Receiver with three possibilities to match inputs
, B* v+ W! c! D8 T9 @& H >
+ W1 }% K: A/ F > - Ability to configure/define analog Transmitter input ranges through
6 o) j, F. m0 y2 F5 A > simple programming method to correspond with full-range analog Receiver
: Y% ?6 D3 p' s" e) O3 I- q! R > outputs (0 - full voltage).
' _5 a( V% \) T0 T7 a>
1 ~8 z7 d4 u" h > - Ability to configure and set sample rates for the inputs.
7 N1 S W3 V4 d( Y. R) q >
% e, Q1 U* d- Y( Q0 m' X6 s/ { > - Digital output on Transmitter that turns on during the sampling period.
6 N2 L# [$ I( S* J( y>
% d6 b2 F" a* S2 y' W9 q' k3 I> - Ability to configure a power saving Sleep Mode in the Transmitter by
( |8 u, n* E) X4 J > both software control and input hardware control.
& U: Z/ {! l) |( A7 ~& y1 i >
% }* d) N' ?* f* y1 O > In order to configure the units, we would need a way to make the
# ?9 d, y2 n, L > settings. This would preferably be from a computer terminal so that
: I2 M S r2 V( }4 E > configurations can be saved or easily duplicated for production volumes.
! C6 E5 i0 v) z > The units should be small and compact with shielding, and able to mount
0 O9 z! J% y$ k2 ~> to a printed circuit board with header connector.
3 V N6 M& j+ H7 m8 \4 Z7 i >
7 E3 A: K3 p$ w8 a' M> At this time, we are interested in samples of a pair of modems that
& X/ z6 ]# B4 @7 Z3 l; A# Z > might be similar to this proposed system. We do not expect that you
0 o9 ~1 b' W9 a# Z1 s# f' Z" t> provide all of these specifications at this time. I can describe our
7 J6 b/ b# ?0 Y, `$ }: K3 s* T> immediate application needs in the next email if this project is of
, c) n' a- V8 h5 L > interest to you. Perhaps you can make the samples by those
6 ?* ]7 T Y- r) d> specifications. This will allow us to test your radios before we move
: e% f; ], W2 c9 C$ u( b3 q L# F; s8 c> forward. We are interested in your 900MHz radio to start.
4 t V5 E8 H- M# F$ Z4 o6 K
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