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# N* o# x( _3 ~9 M8 A5 G# A( z客户要求如下,如果哪家工厂可以做,请和我联系
6 t; g# h4 G5 q" H> The application that we have in mind is similar to others that we commonly
1 q' }8 o: ~2 {& E% h> have. If we were to pay for FCC approval, we would want to use the modem
3 G5 I+ a5 k- q8 p; T# a> units in all similar applications under the same approval number.
, Q8 e4 T6 Z, ]! H> Therefore, we would like to be able to configure the units to a specific . Z/ ?& b6 B! {9 G# [9 Z* i5 r
> application. For the business that we do, this approach will yield more % Y! T E( q% V0 w* l
> sales based on the same product and approval. We are interested in the ' w6 G1 S- e7 G% j+ N4 Q4 G
> following specifications:
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> - 2 inputs at the Transmitter with three possibilities;
C( n$ N0 g7 m. ~2 }: M4 k> 2 analog , h% K* B. x2 @6 [, T
> 2 digital
M u) Q: w0 K! v3 Y9 h- C> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs . ?" f$ u. L( } f" t6 P4 e; N
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> - Ability to configure/define analog Transmitter input ranges through / I8 a$ y) j- ?
> simple programming method to correspond with full-range analog Receiver 7 F6 X$ m( N/ `( I5 G- Y
> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs. + G7 F" b, F1 w* J' D& F l
>
+ u5 z6 P7 c' R& f5 v4 F> - Digital output on Transmitter that turns on during the sampling period. % R* j7 w) Z. F6 A4 v5 T+ C4 E# c
>
0 B* h7 B! J+ S6 x( v5 I5 p> - Ability to configure a power saving Sleep Mode in the Transmitter by
2 C% S/ l: ^/ ?5 j! j> both software control and input hardware control. ) N& \; q/ `8 Z3 q! E- F
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> In order to configure the units, we would need a way to make the : d0 g O/ k6 ~" t7 }1 I. ~ F! y
> settings. This would preferably be from a computer terminal so that
' S# l5 w" l: @) [" d/ g> configurations can be saved or easily duplicated for production volumes.
/ X4 s) u. c/ q# A> The units should be small and compact with shielding, and able to mount
3 v) L9 M/ ?* R+ d1 J6 M> to a printed circuit board with header connector.
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> At this time, we are interested in samples of a pair of modems that # \) P- l: L: N' Z
> might be similar to this proposed system. We do not expect that you : g {- ]# Z2 \2 O6 s
> provide all of these specifications at this time. I can describe our
$ R2 h# D3 G/ J> immediate application needs in the next email if this project is of ( I, [, [& g4 Z. @: y2 H
> interest to you. Perhaps you can make the samples by those
* L8 }; W& i) ]- U E# M: ^> specifications. This will allow us to test your radios before we move . Z! P! c7 t' r# }
> forward. We are interested in your 900MHz radio to start.
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