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: }1 r5 k5 N$ `- G7 ^9 @! `客户要求如下,如果哪家工厂可以做,请和我联系 7 P7 F* ?+ [' _' g
> The application that we have in mind is similar to others that we commonly 7 x5 g( I" S9 p$ ]) g9 l
> have. If we were to pay for FCC approval, we would want to use the modem 8 V1 l" [8 E/ Z+ Z) W
> units in all similar applications under the same approval number. , y: D0 r( e) h: ]$ T# h
> Therefore, we would like to be able to configure the units to a specific
3 A4 d: C* v4 N( w7 V> application. For the business that we do, this approach will yield more 5 j" S& k& a: v `
> sales based on the same product and approval. We are interested in the
: k: \3 o( k3 c! n+ g6 S> following specifications:
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> - 2 inputs at the Transmitter with three possibilities; / L4 G* `& T1 a Q% _* Q* D
> 2 analog 6 i* Q5 g/ z8 R0 k5 |
> 2 digital
, i( T4 u& o/ X6 c> 1 analog and 1 digital : y% C: r& J1 _ U4 p8 ?/ x
> 6 g5 I' y% C- C5 m; }
> - 2 outputs at the Receiver with three possibilities to match inputs 5 |! Q/ n# j% \' K2 ?( R
> " ^! F% e* r8 j
> - Ability to configure/define analog Transmitter input ranges through
/ `3 g1 B0 k9 N# N/ K> simple programming method to correspond with full-range analog Receiver
" w; O( T7 M# F8 [+ d. C$ J> outputs (0 - full voltage). " s' t/ D3 _- a" O
> 4 z; `# {! j) X& `2 g. ]
> - Ability to configure and set sample rates for the inputs.
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H3 \8 u/ w( n2 t1 V1 W> - Digital output on Transmitter that turns on during the sampling period. ; I7 I+ p: `7 w, d4 g Q1 C! Z: R, E* {
> # s- ?" N7 D# j" A4 A) z3 H( ?
> - Ability to configure a power saving Sleep Mode in the Transmitter by ! H6 y3 H, h" @# v
> both software control and input hardware control. % e8 ~ H2 ], f! c9 r# k; @7 ?' [
> ( [6 J3 J9 r% ^- G
> In order to configure the units, we would need a way to make the 5 c; P9 S8 _. k0 g
> settings. This would preferably be from a computer terminal so that 4 b* f- }+ V2 s7 ?: f% @$ t5 ?+ a
> configurations can be saved or easily duplicated for production volumes.
, p: x: e. I0 \0 U8 I: b" d3 z/ H> The units should be small and compact with shielding, and able to mount $ e/ s7 L( Z" q1 C
> to a printed circuit board with header connector. . e6 F+ w; a) g$ M
> $ I9 a! C; }& z- v+ c, O9 B! b
> At this time, we are interested in samples of a pair of modems that
4 i" d3 Q0 z- U> might be similar to this proposed system. We do not expect that you
7 G4 u4 ?1 s' a) S6 b: @: d# u> provide all of these specifications at this time. I can describe our
3 d# \( N ?4 E. T9 K> immediate application needs in the next email if this project is of
6 N( h% ]- Y, O P, p* s> interest to you. Perhaps you can make the samples by those
* w( s1 [. ^/ e# A( s8 i9 S# K> specifications. This will allow us to test your radios before we move
$ t1 T% J- X. K1 ?; _: K' y> forward. We are interested in your 900MHz radio to start.
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