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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

2 I9 b( y T b' k* s. [3 i 客户要求如下,如果哪家工厂可以做,请和我联系
9 T( s/ R3 z" l- v: J$ e! v > The application that we have in mind is similar to others that we commonly
- b5 c8 g! [2 G, I4 C% K > have. If we were to pay for FCC approval, we would want to use the modem
* {9 X3 ]( b; h& R. X6 G> units in all similar applications under the same approval number.
' v& H( y' h9 x; o4 u% W, i> Therefore, we would like to be able to configure the units to a specific
' w, a3 e5 w1 ^% | y( ]> application. For the business that we do, this approach will yield more
/ r6 B: c4 ]4 x9 f' r: j. ]* D. q0 R > sales based on the same product and approval. We are interested in the
0 l ^ ~. g+ L1 ?> following specifications:
$ m2 b) u6 A7 M+ \2 {5 l# k% \' j3 m >
, Q$ I0 U2 S- p9 T1 H) O > - 2 inputs at the Transmitter with three possibilities;
) v$ r% R% w5 { > 2 analog
) u: ?/ L# G+ _+ {- q4 s) l- `, K$ {> 2 digital
7 ], l1 P: f/ w2 F$ N9 V& Q> 1 analog and 1 digital
( G8 f1 R1 j9 D6 |# T; K>
/ |; S! C* U1 z3 ^> - 2 outputs at the Receiver with three possibilities to match inputs
; R' D' y3 @! d* x$ g >
" z" I$ M. `/ Z0 u > - Ability to configure/define analog Transmitter input ranges through
Z7 @1 d0 @; O8 w- S9 s> simple programming method to correspond with full-range analog Receiver
. k8 c1 |) S9 x* i L> outputs (0 - full voltage).
& Z' F3 e `- X% _2 N* \3 W- R* v >
+ Q& `/ j* d' X& M% p3 m7 \ > - Ability to configure and set sample rates for the inputs.
7 Q1 B; q6 ~6 i* e9 N& b >
1 K4 B; e7 D: o- R" d2 P) W > - Digital output on Transmitter that turns on during the sampling period.
8 J( H% l7 r. f9 L* Z >
0 R) w+ c3 _- {$ ^> - Ability to configure a power saving Sleep Mode in the Transmitter by
v' I& @6 m) ^: v1 d > both software control and input hardware control.
+ I9 e2 k' X; _, g4 K >
& U [1 o" x' C2 n$ k" h > In order to configure the units, we would need a way to make the
3 G: \9 ^% I+ p8 H > settings. This would preferably be from a computer terminal so that
- A# a% |# S- c* X+ b, t0 L2 i> configurations can be saved or easily duplicated for production volumes.
n' F, k* Y8 U > The units should be small and compact with shielding, and able to mount
$ [; i+ p2 a& ]1 l: R2 q4 |( p > to a printed circuit board with header connector.
2 u8 b- J/ n+ q* K' F, | >
' v, s+ U& I/ a& |0 y, Q0 O8 ~0 k4 g > At this time, we are interested in samples of a pair of modems that
) k8 `( e0 G+ Q7 } > might be similar to this proposed system. We do not expect that you
3 l0 I$ j& q1 B> provide all of these specifications at this time. I can describe our
( W7 a* T- `2 {! }6 H> immediate application needs in the next email if this project is of
8 r9 {3 u6 w2 `1 [9 s( o1 K3 a> interest to you. Perhaps you can make the samples by those
) t, q7 i, z" A+ ~0 X> specifications. This will allow us to test your radios before we move
3 ~! \3 p- p8 U, a2 g > forward. We are interested in your 900MHz radio to start.
3 w% L/ H6 B" \8 O$ y) y8 Q' B
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