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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

' S, f( u8 k% M8 c% z. u: {- T6 o7 M1 B客户要求如下,如果哪家工厂可以做,请和我联系
- F& Y5 o2 `* r4 Y> The application that we have in mind is similar to others that we commonly
0 R2 k E8 b) s6 {) z S1 e, d0 n8 I > have. If we were to pay for FCC approval, we would want to use the modem
$ p9 y" h. o0 ^+ k _> units in all similar applications under the same approval number.
. i* n1 W% b9 y& U) W > Therefore, we would like to be able to configure the units to a specific
. S+ x3 a# [7 o> application. For the business that we do, this approach will yield more
, B$ N! o2 ]) J9 [/ [; t8 |4 b> sales based on the same product and approval. We are interested in the
0 q x+ S2 E) K4 r8 e1 I$ v; J/ f > following specifications:
S/ x/ u8 a( e >
# X1 d' r( U' Y2 z> - 2 inputs at the Transmitter with three possibilities;
: ~" h" d3 o ~% Z: [7 x> 2 analog
8 z* l" A3 s j% d > 2 digital
% b. t6 W6 k# ?" P> 1 analog and 1 digital
9 y3 f. g3 ?" j. [9 e >
3 B; D, N! k3 K! [" z: b t7 _> - 2 outputs at the Receiver with three possibilities to match inputs
5 i3 I7 j8 g8 s8 X' y >
. ^6 \9 n/ R \9 H > - Ability to configure/define analog Transmitter input ranges through
% t; U% O+ [' Y& ^% y) K> simple programming method to correspond with full-range analog Receiver
( D y; a f7 c d, ? > outputs (0 - full voltage).
- Y: p: z4 R' V>
; U1 T* l" q' V > - Ability to configure and set sample rates for the inputs.
& g8 q* a# [" L7 ?1 ^0 ~% k# ^>
5 T3 t4 C% ?4 `- C* b7 E1 P> - Digital output on Transmitter that turns on during the sampling period.
3 _' L8 U1 {% P>
7 ~7 Q" V1 Y; U& a* T2 z> - Ability to configure a power saving Sleep Mode in the Transmitter by
@8 g& M1 s) V: ]# I, K* o& ^> both software control and input hardware control.
1 ], Z5 g7 ]7 L- P& J4 _, J/ F2 q>
" K- x1 s8 q5 n& O) U> In order to configure the units, we would need a way to make the
, Q! B. u* D3 n3 e> settings. This would preferably be from a computer terminal so that
2 Y+ M# p* l0 v' z$ x1 @* P* m. E > configurations can be saved or easily duplicated for production volumes.
/ t ?1 _9 G4 [0 M e* l- K> The units should be small and compact with shielding, and able to mount
# U- L$ \4 ^% Q1 n' N) u> to a printed circuit board with header connector.
0 C! s7 v8 w- U+ p>
' Z, d+ ?7 Q( { > At this time, we are interested in samples of a pair of modems that
2 G$ `/ |% q" P7 w) u0 F > might be similar to this proposed system. We do not expect that you
( g8 Y% p! k2 K/ N( w$ ?> provide all of these specifications at this time. I can describe our
6 t: ?6 B3 U' G! @9 H( W> immediate application needs in the next email if this project is of
5 N0 k+ X) D+ n. G4 g% F> interest to you. Perhaps you can make the samples by those
; j' g4 U% @6 o8 q0 Y > specifications. This will allow us to test your radios before we move
3 r `$ p# U( G8 w" `! Y: P> forward. We are interested in your 900MHz radio to start.
! Y5 N9 R& e) Y" ~( L4 h/ w
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