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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

, ~% V- O) l4 Q4 S 客户要求如下,如果哪家工厂可以做,请和我联系
, c, H. c) @% z > The application that we have in mind is similar to others that we commonly
3 R" z: B* ]! ^/ k# `/ _> have. If we were to pay for FCC approval, we would want to use the modem
4 q9 D Q# L/ h& L- Y; x > units in all similar applications under the same approval number.
# ]2 _0 Y% r' k: m( Y( y> Therefore, we would like to be able to configure the units to a specific
- A: V- f; ] ]/ h0 Y> application. For the business that we do, this approach will yield more
# ]$ t# h9 N7 ? > sales based on the same product and approval. We are interested in the
7 j7 ?1 }8 f3 X: G- Y: w6 V' f5 m* m7 ] > following specifications:
3 z1 e6 i$ F; n2 ?) q>
! w8 \5 _* T8 ?4 u3 G! A > - 2 inputs at the Transmitter with three possibilities;
" _1 c+ C6 \/ `. h% G8 D5 H! I > 2 analog
0 d! w1 I" P- t$ c+ |+ ~3 W > 2 digital
/ X/ Q! p- ?. R9 Y > 1 analog and 1 digital
2 x& k0 t2 G/ M) \$ B >
2 G0 p, c$ C7 p> - 2 outputs at the Receiver with three possibilities to match inputs
7 ]9 T. m# t1 t( @) ^& G4 e8 N' M >
6 D+ B! S) n$ p Y+ b. E> - Ability to configure/define analog Transmitter input ranges through
8 d' A9 y( @% r8 L> simple programming method to correspond with full-range analog Receiver
8 @+ y& ~( L- w( P7 ]% v K" |& q6 Y! B> outputs (0 - full voltage).
3 }# }) ]5 V5 x) J>
- {9 ~% z- K3 m > - Ability to configure and set sample rates for the inputs.
0 F: M) M: Q; [7 a0 B( ?9 u >
1 M. Y7 O7 j4 Z7 \6 H: [$ C/ x: a> - Digital output on Transmitter that turns on during the sampling period.
Y4 [. s1 \0 \3 z5 H>
0 C1 q& r4 W# V9 A" D> - Ability to configure a power saving Sleep Mode in the Transmitter by
( W2 L4 H4 y+ h- E' V* _) P7 \> both software control and input hardware control.
. ]9 F# H1 \. N8 W6 t% w' |( u >
' G7 ^0 `" x, M4 v, u > In order to configure the units, we would need a way to make the
0 H: d+ H) i% Q+ X( p2 ? > settings. This would preferably be from a computer terminal so that
4 F: c5 Q( C. V" A> configurations can be saved or easily duplicated for production volumes.
' [& }- x8 v5 i > The units should be small and compact with shielding, and able to mount
$ \) z" N6 y- V > to a printed circuit board with header connector.
2 V) v9 @7 }3 V# E( j>
6 B- ?2 P# e- S1 b/ |* T> At this time, we are interested in samples of a pair of modems that
) W1 R) f/ H: o% o4 Y6 [3 R > might be similar to this proposed system. We do not expect that you
: r% b5 e1 O6 r# F* T6 ] > provide all of these specifications at this time. I can describe our
! W2 w- {4 P- J' N: G) t# i- u> immediate application needs in the next email if this project is of
- R$ Q% O6 Q/ D* P$ q* B > interest to you. Perhaps you can make the samples by those
9 K: _) D. ]. ~& y > specifications. This will allow us to test your radios before we move
; q2 b& D, V0 W8 T `. y9 Y6 t2 u1 ` > forward. We are interested in your 900MHz radio to start.
/ ~; G2 B2 p1 M5 z/ ]
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