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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

& ~2 o& N( v+ F/ ]: z/ ~ 客户要求如下,如果哪家工厂可以做,请和我联系
: A4 o+ l% M, n, I% w> The application that we have in mind is similar to others that we commonly
* I) {, I2 K5 p> have. If we were to pay for FCC approval, we would want to use the modem
3 O( B8 _: Y& D, l4 y3 {5 p0 F( w7 I> units in all similar applications under the same approval number.
9 c- D; i, Z7 C+ c > Therefore, we would like to be able to configure the units to a specific
. v4 Y; B( t+ k7 J+ L> application. For the business that we do, this approach will yield more
* }% W6 F+ a d1 }. [: n3 k4 }5 S" x* c* O> sales based on the same product and approval. We are interested in the
% x: R3 w% O' i7 ]: ^+ H; L6 \5 P> following specifications:
" A/ t1 H9 N: a* d* ^: b0 Z>
+ c% N/ e8 Q' I. m# } m> - 2 inputs at the Transmitter with three possibilities;
7 a4 Y" q2 i$ }: r3 K > 2 analog
; P/ u8 \1 z9 E `> 2 digital
, P9 c- ?# d8 c- u) L% w > 1 analog and 1 digital
! \# f3 k. p% |5 l1 O- G4 \>
7 h$ Q: ~' Q" k! Q9 |> - 2 outputs at the Receiver with three possibilities to match inputs
. O$ Z5 T( N. R! b" v+ j7 G; N >
, L2 S" M: N/ e4 }* X! z> - Ability to configure/define analog Transmitter input ranges through
+ e) f4 X9 g) O> simple programming method to correspond with full-range analog Receiver
* z( {0 E7 e) W8 R> outputs (0 - full voltage).
9 h) O. P0 F, T>
7 K4 A3 Y0 X9 N> - Ability to configure and set sample rates for the inputs.
% |8 T5 J+ l$ F3 |% t >
; d, O: a. i7 k3 _! U > - Digital output on Transmitter that turns on during the sampling period.
2 R1 N1 x" Y3 C>
% h. i$ N* z4 g9 l' ] > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 q* B% G! e8 ]* A" A> both software control and input hardware control.
, T/ B: n$ ~6 b0 S; X0 b >
6 R/ z- O8 [ ?- s> In order to configure the units, we would need a way to make the
3 v( P/ @! G& o/ P, }> settings. This would preferably be from a computer terminal so that
8 \7 Z4 U9 O1 G1 Z > configurations can be saved or easily duplicated for production volumes.
) r9 S' H# G7 L- F8 Z" P9 ^ > The units should be small and compact with shielding, and able to mount
- a) q5 e/ c9 D0 m [. v> to a printed circuit board with header connector.
0 J' O) H; J( _# J& Y$ o( G h >
6 G8 G2 j, h' z* @> At this time, we are interested in samples of a pair of modems that
* }4 [; p5 Z' @3 @" ~. \- @1 V8 _> might be similar to this proposed system. We do not expect that you
* E5 S h% D7 k3 W! K> provide all of these specifications at this time. I can describe our
! m( V9 r+ R# A; P0 T" {> immediate application needs in the next email if this project is of
- G% G. p7 b D9 z E> interest to you. Perhaps you can make the samples by those
# P. w+ r! G4 @) B4 W3 \2 V > specifications. This will allow us to test your radios before we move
6 I9 z! c* }" m> forward. We are interested in your 900MHz radio to start.
! g3 M N& @" _$ q. [! {# g- x6 g; B
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