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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

1 S" X0 j6 A/ W5 P( b" {0 `$ Z客户要求如下,如果哪家工厂可以做,请和我联系
# i) ]$ m: b3 I( r > The application that we have in mind is similar to others that we commonly
8 Y5 b( z$ k. S> have. If we were to pay for FCC approval, we would want to use the modem
$ {7 a5 U: T% g2 n; S( I' X1 N> units in all similar applications under the same approval number.
" r! X0 t+ z7 ~. l6 \7 z> Therefore, we would like to be able to configure the units to a specific
4 n5 N6 P5 k. r > application. For the business that we do, this approach will yield more
0 q3 k, W4 Q3 E6 s3 v% R> sales based on the same product and approval. We are interested in the
9 N8 Q% q* A# @ > following specifications:
6 w B( k" p1 B4 u8 k4 M" Z" K>
d1 O! C; b' Z > - 2 inputs at the Transmitter with three possibilities;
0 D& y N6 R- I* c; l" U> 2 analog
$ T+ P1 m( y5 l> 2 digital
0 x* d! y3 k7 f5 @5 `4 \> 1 analog and 1 digital
0 G" W. `1 {2 t' m" @8 {, t- F8 } >
% _$ w2 @5 D) S G* E: ^> - 2 outputs at the Receiver with three possibilities to match inputs
' @% x& a- z. j/ T >
6 L- Z' c; [2 F! F& G> - Ability to configure/define analog Transmitter input ranges through
. o7 s: k+ ~) l> simple programming method to correspond with full-range analog Receiver
- d/ Y( Y3 m2 J% k$ Z > outputs (0 - full voltage).
% p0 p- I" @- U7 J>
1 v8 ~6 P {' Z) C& |/ W9 ?> - Ability to configure and set sample rates for the inputs.
8 R, @( A5 `4 [( i+ i7 N >
" \/ k8 b/ h( ]$ z1 {( L > - Digital output on Transmitter that turns on during the sampling period.
& Y! m e0 |: ^: Q >
. |) h$ u+ V9 V, `8 [( A > - Ability to configure a power saving Sleep Mode in the Transmitter by
/ C! p# }4 I' F+ h> both software control and input hardware control.
# }: {' [+ t9 b >
, ?/ |; ~1 k% N7 e' m+ {> In order to configure the units, we would need a way to make the
! N6 f' n7 K" S! K7 g/ T2 X$ ] > settings. This would preferably be from a computer terminal so that
+ C: J# e" B. F6 r. U* y9 G4 x > configurations can be saved or easily duplicated for production volumes.
3 e# e4 t. l1 ` C > The units should be small and compact with shielding, and able to mount
6 K: X* `; }) d- X( J- I> to a printed circuit board with header connector.
6 ]+ L$ t1 l# r4 h$ S, T >
, f# P/ B& b% c6 \ > At this time, we are interested in samples of a pair of modems that
3 Y2 O Q7 ]% d# Z+ ?> might be similar to this proposed system. We do not expect that you
6 d8 e7 X! d. N$ I% U6 {. w) ]> provide all of these specifications at this time. I can describe our
1 G) ^2 J1 \ r/ t; L. Q0 S > immediate application needs in the next email if this project is of
+ ]; U3 g$ I, c% @> interest to you. Perhaps you can make the samples by those
. b, H) T$ r. ?% z+ M( e5 w) T+ O > specifications. This will allow us to test your radios before we move
$ y! A8 ^$ m( A; {$ F> forward. We are interested in your 900MHz radio to start.
' S7 s& ^* B; u' d
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