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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 o/ g8 }0 b/ T( Q* x% K客户要求如下,如果哪家工厂可以做,请和我联系
8 ?/ Y7 c- a( ]% ~6 Q > The application that we have in mind is similar to others that we commonly
6 w7 a* i5 z' ~# b& R/ z > have. If we were to pay for FCC approval, we would want to use the modem
; @3 `" W) I/ V! k. B > units in all similar applications under the same approval number.
0 C7 R% q/ ?! u4 O> Therefore, we would like to be able to configure the units to a specific
3 |7 ~6 n! M j; q" [8 z" | > application. For the business that we do, this approach will yield more
1 t' Q0 i! Z" N) b) u > sales based on the same product and approval. We are interested in the
0 }1 D5 c: q/ A > following specifications:
4 P: {2 V. j0 w >
$ d' [$ O/ `) K# u > - 2 inputs at the Transmitter with three possibilities;
5 q/ S. k7 k k> 2 analog
; l* \" p3 J `; D# n$ q> 2 digital
5 h+ P0 T4 o4 N7 V5 _: d- D> 1 analog and 1 digital
' f! t/ |2 P5 J4 U! z7 h2 N>
- [$ k( C3 B$ K- A- p: G3 \ > - 2 outputs at the Receiver with three possibilities to match inputs
_, r& q) z7 z>
" ]8 L1 J: B f* r* F k > - Ability to configure/define analog Transmitter input ranges through
2 ]$ I8 @: X5 y* ~( Z. F> simple programming method to correspond with full-range analog Receiver
5 \3 N z0 b7 C7 _& C( f > outputs (0 - full voltage).
0 R: l) n" H% U; n8 l>
6 I; ^& y" W; m$ g$ s> - Ability to configure and set sample rates for the inputs.
! [6 ^4 g% F' k% G2 h>
: p9 c* A( B& Y9 e> - Digital output on Transmitter that turns on during the sampling period.
( Z5 N/ J9 p( d- l7 j4 P$ @: P3 d# e >
- d- }, I" x& T. Z+ k > - Ability to configure a power saving Sleep Mode in the Transmitter by
; I' s0 ?8 u# X( b: ^6 O R& n> both software control and input hardware control.
- ^( [! ]0 |8 @, a4 @8 |>
2 w& V) r, w/ s6 X6 x1 X+ f2 ` > In order to configure the units, we would need a way to make the
$ V7 J. G# H! w, p( ? > settings. This would preferably be from a computer terminal so that
" W# m1 [& l2 Y% _- e4 a> configurations can be saved or easily duplicated for production volumes.
) G6 f7 n4 i$ b- U1 d% P4 c: B > The units should be small and compact with shielding, and able to mount
$ O5 ]! U5 J$ g6 P, V0 Q b! y> to a printed circuit board with header connector.
9 _& C) [1 m9 R. B >
" S3 Z" j- D" n7 I+ g$ t > At this time, we are interested in samples of a pair of modems that
& M0 R4 L/ L1 V/ J! U> might be similar to this proposed system. We do not expect that you
/ \5 L$ H' C3 a v0 Y6 @7 } > provide all of these specifications at this time. I can describe our
+ y7 d" T6 I$ J: g) ?% }> immediate application needs in the next email if this project is of
& b# c" _6 l V" o" o9 x > interest to you. Perhaps you can make the samples by those
" K2 q9 V# p' G, k6 |9 j% l> specifications. This will allow us to test your radios before we move
9 |: h4 H: ?& T' u- |- `5 q > forward. We are interested in your 900MHz radio to start.
. a, y* A2 J, R% X& C) x! s
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