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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

5 H% h! ]5 y% | 客户要求如下,如果哪家工厂可以做,请和我联系
5 C- b/ O( v3 v$ N> The application that we have in mind is similar to others that we commonly
/ m6 w0 y# N$ m4 q5 n. e > have. If we were to pay for FCC approval, we would want to use the modem
1 d) y" @9 q1 {' g > units in all similar applications under the same approval number.
/ C. i% Y* M9 C6 e j) B > Therefore, we would like to be able to configure the units to a specific
- E+ |4 m" n8 }; V1 u' E > application. For the business that we do, this approach will yield more
: u( s9 w( m# a, p( ~> sales based on the same product and approval. We are interested in the
! E* l! i5 b' v > following specifications:
$ T6 s' Q; {% M) ]>
1 t" J, E# |( ^2 e; `7 S1 |> - 2 inputs at the Transmitter with three possibilities;
; f1 }' u. Z+ F. ]5 c. P > 2 analog
0 l8 p. \! c1 G4 ^> 2 digital
5 v' @1 d+ [! k) a) ~* r3 P' u8 {4 W> 1 analog and 1 digital
1 W4 m! H3 G) x- K) S* Q" N>
: @9 N" }7 R: b: N5 Y7 u> - 2 outputs at the Receiver with three possibilities to match inputs
- N0 D$ K6 a7 w6 Z$ s9 W/ Q>
( W8 n/ y/ J/ A7 X5 Y4 O> - Ability to configure/define analog Transmitter input ranges through
" W- g, Q9 W; [0 q0 u9 |9 y6 }( q> simple programming method to correspond with full-range analog Receiver
1 ^: M& o% @% ~ y6 N> outputs (0 - full voltage).
- u, I4 {& T1 N; w% O >
/ J# Q0 Y ?4 l3 d> - Ability to configure and set sample rates for the inputs.
0 T" w1 E; G; B. E>
& }& D" }, D' Y3 @. @ > - Digital output on Transmitter that turns on during the sampling period.
7 c/ D" h# y" f7 X& S( ~- k2 u6 `>
5 z Q3 D" l7 s- V> - Ability to configure a power saving Sleep Mode in the Transmitter by
+ d. J* F8 F0 e5 f! A5 b) u5 I> both software control and input hardware control.
( |" f1 a1 X+ v" r3 F4 v>
2 ?2 F' D, Q0 n1 B$ `; u9 z > In order to configure the units, we would need a way to make the
: [; _5 U2 Z h" x% C0 N> settings. This would preferably be from a computer terminal so that
' J. v* d, \* z+ z+ T> configurations can be saved or easily duplicated for production volumes.
0 j* K& `* e% g K1 r> The units should be small and compact with shielding, and able to mount
/ Z& u' ?! J+ R9 `& q0 y t5 F> to a printed circuit board with header connector.
2 X) o' y+ t2 _; j+ x3 F- Y- l>
& s5 Z& ?% Q: c2 r7 H: Q+ ?9 B > At this time, we are interested in samples of a pair of modems that
/ t. F- _6 }8 x9 P1 f: g2 _/ B> might be similar to this proposed system. We do not expect that you
. V- ^& Y# d7 t- I0 W3 d) `6 S" M> provide all of these specifications at this time. I can describe our
) ?7 d( e+ q! Z) c; @& T> immediate application needs in the next email if this project is of
* V& \* {7 g2 ]> interest to you. Perhaps you can make the samples by those
4 Q4 P+ u+ I {" f) j) K4 a > specifications. This will allow us to test your radios before we move
h3 s2 n3 [/ |6 d> forward. We are interested in your 900MHz radio to start.
! L. c% q% b h( y
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