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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

6 i) g- o8 @( O. L! W% X! ]客户要求如下,如果哪家工厂可以做,请和我联系
& O% @1 J' G& ~' Z2 R> The application that we have in mind is similar to others that we commonly
9 F+ P8 G& y% `; K0 I& y> have. If we were to pay for FCC approval, we would want to use the modem
8 T' {; V) S9 t% }> units in all similar applications under the same approval number.
/ i6 N* T5 z' m( N > Therefore, we would like to be able to configure the units to a specific
5 n; J' P, B- f3 {* p$ h* A( a> application. For the business that we do, this approach will yield more
9 R2 `1 d5 v; g> sales based on the same product and approval. We are interested in the
; F# ]# @( d+ G3 t/ S > following specifications:
; P# l" [ D$ I# B4 e$ g" M >
0 F' P: F" {6 I > - 2 inputs at the Transmitter with three possibilities;
W. d/ _) r1 N3 G" P5 ^> 2 analog
0 F6 V' f4 l u% O! t0 |. ^ > 2 digital
& c' Q9 x V& Y9 k> 1 analog and 1 digital
& H- @% }+ O( w3 x- _4 K >
& ~- E- y( ]9 c7 z2 g N& W > - 2 outputs at the Receiver with three possibilities to match inputs
3 b; c$ z' D5 z* }% R9 s4 C. c >
8 V8 d1 y; t( o> - Ability to configure/define analog Transmitter input ranges through
( i1 c1 ~4 S+ p* H. G4 G > simple programming method to correspond with full-range analog Receiver
5 y9 ?1 J. c) C8 d- i- G > outputs (0 - full voltage).
! f- e( Y! \! g f ?7 V>
! Y5 B6 M+ r; B% M# j> - Ability to configure and set sample rates for the inputs.
5 f3 j# F8 b5 g9 A2 X+ G8 E1 ]& S, k>
* V* V' W: X- s$ n7 L> - Digital output on Transmitter that turns on during the sampling period.
3 H( w1 B, L9 r >
, g& Q. z6 U2 C5 D > - Ability to configure a power saving Sleep Mode in the Transmitter by
3 l; _2 s/ S1 K& O) A# F8 G> both software control and input hardware control.
8 ~; {7 g0 }# g2 l3 A5 y5 M >
$ H5 Q2 h6 i/ K > In order to configure the units, we would need a way to make the
! k: }$ t" M( M( x/ K" g" {- D: B/ ^. C> settings. This would preferably be from a computer terminal so that
+ a7 M+ G: k4 F" c: K8 p9 ?/ x) a> configurations can be saved or easily duplicated for production volumes.
: L% @' y! b+ x6 p > The units should be small and compact with shielding, and able to mount
- ?. j" t5 Q2 O > to a printed circuit board with header connector.
* d, k6 ~9 B. M >
5 w9 u- @6 V, ?* v1 ~ ~: z> At this time, we are interested in samples of a pair of modems that
6 k1 @: g5 h* f6 O5 [6 c> might be similar to this proposed system. We do not expect that you
; G' y4 A' T) U! r9 `> provide all of these specifications at this time. I can describe our
$ ~* M& w7 n2 q" u6 P' m > immediate application needs in the next email if this project is of
# v8 C- Y* m* c F* k3 y; c5 S> interest to you. Perhaps you can make the samples by those
- E- X% L, Z* i u( V8 k! D> specifications. This will allow us to test your radios before we move
) f) i7 [9 i8 R+ S9 W > forward. We are interested in your 900MHz radio to start.
0 B& C5 M+ B3 ]) a# a$ I7 \
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