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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

: H' D: n. c4 y. j客户要求如下,如果哪家工厂可以做,请和我联系
/ V7 J9 s/ V1 p! c. r. z; x3 I$ r > The application that we have in mind is similar to others that we commonly
% i7 } t0 {9 g$ d$ \" ]/ H > have. If we were to pay for FCC approval, we would want to use the modem
$ o4 z( S$ V* g( N, ~4 z, J( q > units in all similar applications under the same approval number.
' ]1 d% L! ~0 z> Therefore, we would like to be able to configure the units to a specific
! k7 B6 h' c' x5 |( p> application. For the business that we do, this approach will yield more
+ S9 {* e8 E8 L/ [6 j6 A> sales based on the same product and approval. We are interested in the
% z! q5 {+ S, b8 }) l& v> following specifications:
1 W1 N- ^! o! x# U>
$ U- m; D$ W: | z9 N> - 2 inputs at the Transmitter with three possibilities;
3 N& g) l2 d& R; ~+ \4 B> 2 analog
6 N; k* t5 t# @& R9 v7 o> 2 digital
! ?0 |8 v4 i! R4 s4 n> 1 analog and 1 digital
& \* a t2 m- P8 n/ W# b>
8 M7 r4 ?6 B$ V. m> - 2 outputs at the Receiver with three possibilities to match inputs
R3 v) l$ o8 k/ [$ h: @; x ^ >
" p4 \5 t7 @. p$ ]! T6 m3 h$ x> - Ability to configure/define analog Transmitter input ranges through
6 z" a) _+ R+ X/ Y5 B' X) B> simple programming method to correspond with full-range analog Receiver
4 B4 O# Y* K8 u* J* ^> outputs (0 - full voltage).
3 H+ R, \; W7 j4 Q3 V6 k >
; `' f" j! t. P ^$ @" E/ j% B q > - Ability to configure and set sample rates for the inputs.
3 E& u9 j" C7 z/ L2 P6 y6 \- H >
, y9 X0 `4 Y* i4 z > - Digital output on Transmitter that turns on during the sampling period.
2 r+ W h$ I1 ^' F2 s >
- @* k; [2 [6 M, M> - Ability to configure a power saving Sleep Mode in the Transmitter by
% _3 x. l: z( p% S; K> both software control and input hardware control.
* u- o: F p! b >
4 F+ R5 r, u2 |' p7 R> In order to configure the units, we would need a way to make the
+ q2 A* a& S6 l6 N% T5 X8 T0 Y > settings. This would preferably be from a computer terminal so that
1 K- T4 k5 S- B6 o/ X V > configurations can be saved or easily duplicated for production volumes.
2 O8 N. x; }$ [2 ^+ C > The units should be small and compact with shielding, and able to mount
7 u3 x6 |8 e6 M% D& G$ D+ y$ K> to a printed circuit board with header connector.
0 |3 h4 c2 v7 ~: @1 ^>
4 r/ e" n4 `( s > At this time, we are interested in samples of a pair of modems that
3 a3 n0 G2 p1 l4 x1 O> might be similar to this proposed system. We do not expect that you
$ |( s' w, `7 M( w( }3 M h> provide all of these specifications at this time. I can describe our
! ?' k3 L8 S: R) k( K% D" R > immediate application needs in the next email if this project is of
! e$ o1 Z6 S9 p- o! T" C> interest to you. Perhaps you can make the samples by those
. ^, ?! L& Y, G% g+ Y: F > specifications. This will allow us to test your radios before we move
7 F& ?# q2 c. b1 j> forward. We are interested in your 900MHz radio to start.
8 B ]8 U/ f: q& S) i/ O& k
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