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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

- k, ?. y* Y8 C2 v客户要求如下,如果哪家工厂可以做,请和我联系
# j8 Z7 b/ F$ A- D- O+ ~> The application that we have in mind is similar to others that we commonly
; x% h A0 U0 h7 ]' [3 ~* _> have. If we were to pay for FCC approval, we would want to use the modem
& R9 U: |+ h9 s+ }1 i9 j, \* k> units in all similar applications under the same approval number.
# u2 j% `) z4 R0 K) r4 [$ g > Therefore, we would like to be able to configure the units to a specific
4 |5 Q' P5 k+ M: F. C> application. For the business that we do, this approach will yield more
: t) Y/ q- F& a# S& @, G > sales based on the same product and approval. We are interested in the
( s/ K- W5 `2 d3 @> following specifications:
* S2 B" o/ i9 C5 E: G% D" I>
3 @, B1 o2 Y- u: d& `> - 2 inputs at the Transmitter with three possibilities;
" y5 ]* r! \2 N> 2 analog
' ?% g) R1 P# M8 s1 P > 2 digital
5 S& r. |5 I. c > 1 analog and 1 digital
- F, Z1 R( i: J; Y& }7 C! @>
5 C! [4 F# V" E7 S# F B1 m> - 2 outputs at the Receiver with three possibilities to match inputs
& p" @4 p! Z: u. _# ^5 i>
6 R7 J% |) D& E# C! @ > - Ability to configure/define analog Transmitter input ranges through
& ~6 R; y7 L: l% s+ S> simple programming method to correspond with full-range analog Receiver
! ]' n, p; [" e > outputs (0 - full voltage).
& h* _5 A/ E }1 L3 i>
- N5 r/ O$ A6 n+ U f$ u8 x1 q > - Ability to configure and set sample rates for the inputs.
3 o. ]7 G3 K) H, E7 N8 O>
) T! b; Z* X9 J4 a8 [! ?: ?3 E> - Digital output on Transmitter that turns on during the sampling period.
% \: b, C5 h+ P! F$ x& b>
6 a8 F) ~1 {: [3 m9 ?5 E> - Ability to configure a power saving Sleep Mode in the Transmitter by
- l5 @! B' `5 z& g' \( k> both software control and input hardware control.
* F b0 s! v, U5 S7 ?>
& Q! d$ V1 Y, ^1 t4 n. l T > In order to configure the units, we would need a way to make the
6 V' `* ~/ _+ \: z! Y0 W' P/ Q > settings. This would preferably be from a computer terminal so that
5 P$ i2 p- \% e) w, S > configurations can be saved or easily duplicated for production volumes.
5 @% Q: ]* ^1 W$ W > The units should be small and compact with shielding, and able to mount
- G- J2 c3 c K1 ] > to a printed circuit board with header connector.
! _) I8 R; i/ S( Y$ a& r' o >
6 U% S' q9 F: ] > At this time, we are interested in samples of a pair of modems that
% T1 @( U: m8 J1 F> might be similar to this proposed system. We do not expect that you
3 j1 W8 Z/ h9 t4 y R# m> provide all of these specifications at this time. I can describe our
# }6 W% b) I6 q3 Y' T: g# S! P > immediate application needs in the next email if this project is of
+ A9 f9 t( z7 j: Z> interest to you. Perhaps you can make the samples by those
: p9 @8 e3 }# @5 R7 g W4 `" \ > specifications. This will allow us to test your radios before we move
2 j) x0 M# T7 Y! N4 o> forward. We are interested in your 900MHz radio to start.
+ `8 K% L+ b9 o0 `: S: Y2 G- O/ u
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