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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

4 C. P2 E& g. x. q客户要求如下,如果哪家工厂可以做,请和我联系
( d# \% Y3 B4 b H, A > The application that we have in mind is similar to others that we commonly
' o1 o! h$ b; i8 |' Y/ B" k- D> have. If we were to pay for FCC approval, we would want to use the modem
& F+ ?1 t, n1 g, _* `' R; q> units in all similar applications under the same approval number.
4 w& m0 r: O9 d b" ? > Therefore, we would like to be able to configure the units to a specific
1 g/ b5 `7 R+ {! k5 K > application. For the business that we do, this approach will yield more
* E% B: m7 g' Q. Z9 i> sales based on the same product and approval. We are interested in the
- u$ D3 c! I/ H* \> following specifications:
8 L; ^4 g0 I- x1 d3 n5 {8 k>
1 m# O+ ~. a' |9 I0 A. p( j > - 2 inputs at the Transmitter with three possibilities;
/ B, c" j* R. y B1 I8 a > 2 analog
2 e6 D# Z! a( d8 [% Q+ P > 2 digital
; w5 g& `: b4 Q( W, z8 I > 1 analog and 1 digital
2 _( D p2 X* L& q) ~1 }& T>
) z) b! i$ E* @, L& y> - 2 outputs at the Receiver with three possibilities to match inputs
4 D$ |/ e: X. l, n) T/ {, a z >
- [9 {9 \+ y9 p* K" W% Z. g0 U> - Ability to configure/define analog Transmitter input ranges through
: M; M& z1 I2 {- R2 X: T > simple programming method to correspond with full-range analog Receiver
8 p. } D" v7 m( B1 w& S) |! R, R) g> outputs (0 - full voltage).
4 w+ |/ p/ B/ I6 l >
3 q8 w, O. c# h- I6 [' H7 `> - Ability to configure and set sample rates for the inputs.
0 `1 J7 i7 I# @# s: N>
, i8 v4 `5 J8 B. P > - Digital output on Transmitter that turns on during the sampling period.
6 M$ |& L0 s# t' h' [5 O>
- j8 s: ?' i5 a- L" V> - Ability to configure a power saving Sleep Mode in the Transmitter by
' D# P D. h$ {% h+ A7 F+ U > both software control and input hardware control.
. I7 |$ m# U& Y$ Z" s+ e >
# H8 j# x4 h7 _$ j y > In order to configure the units, we would need a way to make the
1 |6 |7 {) C. B/ [1 G: d > settings. This would preferably be from a computer terminal so that
4 d/ d" f" T4 S, }: z, [ q8 W> configurations can be saved or easily duplicated for production volumes.
0 r) D5 J8 i1 k> The units should be small and compact with shielding, and able to mount
$ p) r4 U2 j6 t# s, q > to a printed circuit board with header connector.
( w" k9 d5 [6 L7 v% f, B" n >
7 A& a1 a8 h5 p5 S8 ^' t > At this time, we are interested in samples of a pair of modems that
. W9 e% X) E! e! }+ K/ S6 V! l > might be similar to this proposed system. We do not expect that you
' m* v! X' S+ `5 b > provide all of these specifications at this time. I can describe our
" ]! v9 |, y0 t3 j! B( R. {9 e > immediate application needs in the next email if this project is of
5 q+ s& B0 s# x, ^1 R- q: X > interest to you. Perhaps you can make the samples by those
! R" |% R3 E. i( X( h/ W0 v > specifications. This will allow us to test your radios before we move
# i8 c. b. D! i* O4 P" Z> forward. We are interested in your 900MHz radio to start.
* t! [& r* d8 J% T x# [
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