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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 }; q$ D D9 D5 m9 L 客户要求如下,如果哪家工厂可以做,请和我联系
& \6 p, j4 w! M' S% b: P, p+ t > The application that we have in mind is similar to others that we commonly
' D) L0 E! h5 J/ d5 { > have. If we were to pay for FCC approval, we would want to use the modem
! M8 G4 v# q% ~/ T; S/ w> units in all similar applications under the same approval number.
0 |% a& j+ R% D- @% s9 f > Therefore, we would like to be able to configure the units to a specific
1 u$ V* p$ H d% [> application. For the business that we do, this approach will yield more
( J7 {7 i& ~1 ~" E" C > sales based on the same product and approval. We are interested in the
6 T P7 ]# k3 h- U& N) ?- s/ x> following specifications:
: G8 N7 F' W# ^2 t" Y) \$ U% a8 C >
# L: E) D/ P$ I8 C$ l > - 2 inputs at the Transmitter with three possibilities;
! g6 m* n6 Q% t > 2 analog
; B9 \9 y1 L! J0 d> 2 digital
# b, F; y# q/ h& m! y* m0 Z* E > 1 analog and 1 digital
9 g& I" ?' O' d+ H& v>
& a% Y/ t! Z T% R q7 T5 S > - 2 outputs at the Receiver with three possibilities to match inputs
. M/ y6 ~! M: \ D0 k >
. c3 W( }, l7 X( D: t) q- S> - Ability to configure/define analog Transmitter input ranges through
( O$ r4 V6 u0 z5 b- Q> simple programming method to correspond with full-range analog Receiver
n7 t7 b3 P, r a > outputs (0 - full voltage).
/ z6 }4 U, b* b3 I9 Z: O% V, E >
# y( u) B6 J1 \* `% Z9 _ > - Ability to configure and set sample rates for the inputs.
8 S6 x& N, p% b; e>
8 t# r# X$ z$ x- I- L1 y> - Digital output on Transmitter that turns on during the sampling period.
: f$ x! {& A7 t9 Q% Z- x! g$ G ] >
% D: n7 q# M& d/ a7 c > - Ability to configure a power saving Sleep Mode in the Transmitter by
- |! ]- e) b7 N- d( a" k) Y> both software control and input hardware control.
3 `) i1 k( E" v" Z, O >
1 l3 G5 ]6 U) P3 F) ~8 {; ~4 f > In order to configure the units, we would need a way to make the
# [4 b7 B! s# `> settings. This would preferably be from a computer terminal so that
; k* l/ s3 O7 B8 j) {1 l! ]> configurations can be saved or easily duplicated for production volumes.
, V: h: X- u: d3 v; c> The units should be small and compact with shielding, and able to mount
* p# h- p1 O( Q: ?+ `> to a printed circuit board with header connector.
, P) p8 u! n7 N% T5 ^- Z2 ?. n8 A>
( n4 ?8 }5 Y6 x& Y$ ` > At this time, we are interested in samples of a pair of modems that
7 u3 @ a1 r- {> might be similar to this proposed system. We do not expect that you
5 r7 c! V. }8 z; u5 m& C> provide all of these specifications at this time. I can describe our
0 h! e s+ Q) x- Q9 Z+ e> immediate application needs in the next email if this project is of
X6 o$ a4 U' n: A7 p > interest to you. Perhaps you can make the samples by those
; e: u2 ~ M; N& r2 {6 K/ S8 Q. e > specifications. This will allow us to test your radios before we move
7 e0 y; \ p, W/ C8 e, M$ v2 Q > forward. We are interested in your 900MHz radio to start.
& q( Q8 L0 e6 i& r# ~: H
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