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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

; i- X1 B/ d( \ 客户要求如下,如果哪家工厂可以做,请和我联系
+ Z4 Q; A! @4 I2 r$ J> The application that we have in mind is similar to others that we commonly
& I/ R. |% i2 Y; A {/ o# L* {5 G3 t > have. If we were to pay for FCC approval, we would want to use the modem
( Q, H0 R; f; D2 {. N > units in all similar applications under the same approval number.
- V* f+ c; t+ m> Therefore, we would like to be able to configure the units to a specific
' a9 \1 X! Z9 f5 J6 V> application. For the business that we do, this approach will yield more
* I- F+ L# o- \0 w$ L5 c8 V1 O > sales based on the same product and approval. We are interested in the
0 A1 ^% w ^( n' ?9 b4 N( ~1 E> following specifications:
& E" V5 E6 J( { [+ R >
& v: s9 z5 {! i > - 2 inputs at the Transmitter with three possibilities;
f: \4 B3 V* h5 o) A> 2 analog
# ?7 B4 H9 U; F1 y> 2 digital
) Q/ |; B" n. T. ~8 y > 1 analog and 1 digital
1 L) x& f, B ~( R- x8 Y( a7 l>
3 @& x& }4 P* g> - 2 outputs at the Receiver with three possibilities to match inputs
9 P2 d' V! {3 C E>
, B/ q' n/ A0 I/ C% e+ g! A> - Ability to configure/define analog Transmitter input ranges through
. A. s" N( w: y2 m* y, `* u! y: a$ d> simple programming method to correspond with full-range analog Receiver
! S# O$ h/ C o# H5 K, f. Q) i> outputs (0 - full voltage).
1 @+ o* P% u% x6 k- N/ R) K9 @ >
3 i5 ~% o3 T) W4 D/ s% Y8 b > - Ability to configure and set sample rates for the inputs.
/ J8 f9 t l8 C& `! V>
) [! d9 Q3 D6 l% u6 x > - Digital output on Transmitter that turns on during the sampling period.
: a6 ~/ K Z: E: c. t+ S5 Y4 ^( {>
3 W4 r6 `- o' M5 i> - Ability to configure a power saving Sleep Mode in the Transmitter by
: `, O4 i2 q/ n/ ^2 g& ]% I% R> both software control and input hardware control.
6 R; c5 `9 T* i7 C/ q$ G0 b% N9 q>
/ i7 v) A& S4 i {* h> In order to configure the units, we would need a way to make the
9 ]% E+ G" Q* a > settings. This would preferably be from a computer terminal so that
8 |0 h" b6 L; K- S) u2 j7 @1 ]; f > configurations can be saved or easily duplicated for production volumes.
6 K9 g: R& t( r( `! P > The units should be small and compact with shielding, and able to mount
$ Z4 g! G' L% n, I9 K> to a printed circuit board with header connector.
6 _+ Z" J) M; V# ~1 j/ x >
) m0 ~. s# Q% x) s> At this time, we are interested in samples of a pair of modems that
( ], O, J5 ~) A" _5 Y> might be similar to this proposed system. We do not expect that you
( f/ u- b9 Q" C0 p- a" Z > provide all of these specifications at this time. I can describe our
) J- }# G+ I i1 n8 K> immediate application needs in the next email if this project is of
! M! @5 F) t, w' [- x# l4 W/ T> interest to you. Perhaps you can make the samples by those
9 i" A% y+ H* o) H: L7 S > specifications. This will allow us to test your radios before we move
O/ F4 [8 u$ y8 f7 y$ Y* t> forward. We are interested in your 900MHz radio to start.
+ R# _3 N& Z1 g6 e
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