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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

$ g5 K! b" c3 b客户要求如下,如果哪家工厂可以做,请和我联系
" t ~0 N. y* P: y > The application that we have in mind is similar to others that we commonly
6 \' h/ v2 @" ?- p5 U6 v. D( e> have. If we were to pay for FCC approval, we would want to use the modem
, q8 B8 l9 C3 B& a> units in all similar applications under the same approval number.
; l+ h9 ~6 ?7 P > Therefore, we would like to be able to configure the units to a specific
/ G& f) ~% k2 N+ X8 O" j0 E; X! @; b4 u > application. For the business that we do, this approach will yield more
' M8 e1 d4 e+ h5 Z# Z- R" K J> sales based on the same product and approval. We are interested in the
9 w6 J/ b4 l( m, T> following specifications:
3 k% f& o% M) X7 p3 v- p; y: E7 i& V>
. [$ L3 T7 F1 X6 t8 x7 B/ o5 W> - 2 inputs at the Transmitter with three possibilities;
7 ^, H- H7 s1 n > 2 analog
! j6 ~- E; Q. A4 S9 i4 L+ G; b> 2 digital
1 o* k2 n1 w2 j. B > 1 analog and 1 digital
" h# o; t1 j( x( r$ I0 q>
2 Y% P: t" `" Y- D" u > - 2 outputs at the Receiver with three possibilities to match inputs
$ ?# z& A! \! H$ k8 l# z/ a >
( ]' P3 U- L( ]! D2 ?% M > - Ability to configure/define analog Transmitter input ranges through
) l h# L2 I- G7 Q/ q' p> simple programming method to correspond with full-range analog Receiver
+ f5 D6 ~- J7 r) |# K> outputs (0 - full voltage).
8 `6 v. o+ c0 R2 Q4 J >
9 E2 \" B; y' x8 s> - Ability to configure and set sample rates for the inputs.
& Q# ] p; u0 w" k( B+ E >
& y0 f/ o% k+ p6 @ > - Digital output on Transmitter that turns on during the sampling period.
$ Z' f7 H6 ^& ]5 v>
# W, _/ k& n$ X; |* E> - Ability to configure a power saving Sleep Mode in the Transmitter by
4 l1 ?3 A$ `6 C6 s a2 y. N > both software control and input hardware control.
9 s6 y! Z+ K7 y: ?! d >
" ]1 D$ x. g7 H. X6 { > In order to configure the units, we would need a way to make the
5 s* o" f. W- {/ r# U> settings. This would preferably be from a computer terminal so that
( ^! I) w+ b3 l; `4 p) |' s > configurations can be saved or easily duplicated for production volumes.
4 N' I! y! I6 }2 A" m* n> The units should be small and compact with shielding, and able to mount
7 |; k4 h9 O" C* y" M> to a printed circuit board with header connector.
1 @3 d8 i. n2 L% Q, P M0 g6 j >
& Z! y; J9 N( F* y) v1 D5 E/ w> At this time, we are interested in samples of a pair of modems that
6 X2 |8 u6 G' K# G8 p7 G s( f > might be similar to this proposed system. We do not expect that you
- O0 Y7 b' J: X, ~& ?> provide all of these specifications at this time. I can describe our
1 V! z* P7 m) N0 b7 y" W0 M: g > immediate application needs in the next email if this project is of
; \# e) }: t& w' G0 H. a0 D4 s> interest to you. Perhaps you can make the samples by those
2 i! |" t. E- z5 X9 ]7 p7 o > specifications. This will allow us to test your radios before we move
: d' z. g9 T- D i1 k0 v- E/ w> forward. We are interested in your 900MHz radio to start.
2 ^) k+ ~2 }4 G* { y( ~& j
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