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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 J2 c' B) p' X) T( Q" g# M3 P8 ^客户要求如下,如果哪家工厂可以做,请和我联系
. x! [; J7 b+ f* I6 {* n1 H> The application that we have in mind is similar to others that we commonly
. |& n; M i5 m > have. If we were to pay for FCC approval, we would want to use the modem
; t: _3 e5 N, r1 N; h> units in all similar applications under the same approval number.
3 g; Z/ F( s9 l# l > Therefore, we would like to be able to configure the units to a specific
) ?6 B7 q, I( x3 ~9 {* ` > application. For the business that we do, this approach will yield more
& y) l. e, V" R0 f > sales based on the same product and approval. We are interested in the
+ z( P# y: K* W) A% y> following specifications:
5 K* ^8 u$ R% Q >
+ F" n8 {0 P( x3 ]% A > - 2 inputs at the Transmitter with three possibilities;
& s$ @5 [3 Z5 O0 @0 K# s( } > 2 analog
. ^8 F3 t$ V8 v' z2 ?5 a+ P > 2 digital
* a: \& M: ?: [9 n0 z: | > 1 analog and 1 digital
2 B! ?7 y1 v9 t- i2 \$ y >
6 b/ W9 ^5 x" Y> - 2 outputs at the Receiver with three possibilities to match inputs
2 |5 {+ ?* n) s: O >
1 d- k- h L" Q > - Ability to configure/define analog Transmitter input ranges through
7 U' X3 r. E' j8 W7 G > simple programming method to correspond with full-range analog Receiver
3 u5 D) }1 O2 `9 Z+ _9 D> outputs (0 - full voltage).
2 Z7 l9 b" g0 V, U9 N >
% |3 z% Q: R+ L8 s# l- ~2 w" n > - Ability to configure and set sample rates for the inputs.
4 J7 _' |8 @6 {" h; a: F) O>
$ K5 [7 S. J+ L> - Digital output on Transmitter that turns on during the sampling period.
1 G' L% |+ f5 t2 b& j >
- [3 k- `: y3 k& Z/ [- m* D# k& T > - Ability to configure a power saving Sleep Mode in the Transmitter by
. t, x( P9 ?& ?) ]$ f+ Z! Z> both software control and input hardware control.
4 E( f1 A6 L, K% U >
3 ~2 L2 B0 g. f3 l0 ^ > In order to configure the units, we would need a way to make the
* H% o( ~# w2 N+ m> settings. This would preferably be from a computer terminal so that
% y( \5 t% ^9 }! R) o) M! a: d4 y > configurations can be saved or easily duplicated for production volumes.
9 `! S( k0 R: k$ o: b> The units should be small and compact with shielding, and able to mount
+ m- k7 W# p) s> to a printed circuit board with header connector.
6 v- P4 i! r: s5 G >
4 U* R5 C' p+ y > At this time, we are interested in samples of a pair of modems that
$ ~- P( _8 y: M( K9 t) ~ > might be similar to this proposed system. We do not expect that you
' d, t8 u8 X) p+ k1 O( i> provide all of these specifications at this time. I can describe our
7 U" M: l' [3 A> immediate application needs in the next email if this project is of
. Q3 ~4 F! h" Q0 b > interest to you. Perhaps you can make the samples by those
# ]+ f! [; |& G8 W3 w5 h+ u1 c> specifications. This will allow us to test your radios before we move
/ U7 z4 ]2 R# E! G2 y2 z0 V> forward. We are interested in your 900MHz radio to start.
. `- M- V, y; Z7 r0 Z- U
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