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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

0 i- E* V& M+ c$ o客户要求如下,如果哪家工厂可以做,请和我联系
: V+ W$ K7 }1 G+ c' H > The application that we have in mind is similar to others that we commonly
$ P0 Y. M$ z; `. v$ |2 z- j9 \> have. If we were to pay for FCC approval, we would want to use the modem
* n. r( I2 K. k2 B+ j> units in all similar applications under the same approval number.
7 s, j: M; ]8 y5 ?' B5 H7 u! T > Therefore, we would like to be able to configure the units to a specific
2 r) q& }) K! E& v > application. For the business that we do, this approach will yield more
2 e6 `6 l) D6 j: f9 J > sales based on the same product and approval. We are interested in the
* }/ L; R& ?- k> following specifications:
6 ?8 {. L# I9 f >
& a) i- ?. f) ^6 G4 i$ w5 X> - 2 inputs at the Transmitter with three possibilities;
$ q \5 y4 l4 e* q > 2 analog
. R7 t9 `4 ?7 A6 E! Z! k0 O2 [8 F- l > 2 digital
- c9 J' x' _. R. c3 S& }> 1 analog and 1 digital
% j S9 n" v q6 S>
( O' O! u' |: j, n> - 2 outputs at the Receiver with three possibilities to match inputs
3 {7 J* i+ t$ J8 c4 q; e. N >
! a2 P% Y! \9 u& l# C1 `! v> - Ability to configure/define analog Transmitter input ranges through
' Q7 H* p- F2 J- D9 _3 H' z) U( c; U > simple programming method to correspond with full-range analog Receiver
7 A- ^$ ^0 I$ w- h" @9 k > outputs (0 - full voltage).
. c( H% ^. s- U9 ?* t: v >
6 M8 {9 U# A( ^! r> - Ability to configure and set sample rates for the inputs.
. E' D( L9 H. o% r >
/ Y' M; y7 {3 O7 u2 x4 n$ R > - Digital output on Transmitter that turns on during the sampling period.
6 F$ k9 F, R/ C >
2 P) m1 \' m0 I* n > - Ability to configure a power saving Sleep Mode in the Transmitter by
* i* }: I, S$ d' i; x6 [ > both software control and input hardware control.
# B3 R0 X; O* `# ^>
: F; U5 L, e, I; ?/ ]> In order to configure the units, we would need a way to make the
2 b1 w- V* u Z3 w! g > settings. This would preferably be from a computer terminal so that
: ~, u a ?9 p> configurations can be saved or easily duplicated for production volumes.
' s) _& O: w4 o* l d3 t4 i> The units should be small and compact with shielding, and able to mount
! O* H+ L# H: i" W > to a printed circuit board with header connector.
N8 C0 t& C# ]; X( s+ L3 C* M! V>
; U! t7 u. V6 B) e$ j > At this time, we are interested in samples of a pair of modems that
! \* `3 _/ D: }" k. R> might be similar to this proposed system. We do not expect that you
6 V# B" N7 X& e n1 I6 g) N> provide all of these specifications at this time. I can describe our
6 M& @6 U0 C3 R: z! _ > immediate application needs in the next email if this project is of
* W/ p! |( i* V% T6 H6 b1 F" e> interest to you. Perhaps you can make the samples by those
9 i" c% E- e% Q R1 B$ G t" u" A% i& O > specifications. This will allow us to test your radios before we move
U7 K& o7 S& x- l > forward. We are interested in your 900MHz radio to start.
4 y2 q3 f' C) }0 R) o8 H. N
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