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" A3 S' o/ n, l; z, j客户要求如下,如果哪家工厂可以做,请和我联系 $ _8 W, d( }; ?( J1 U
> The application that we have in mind is similar to others that we commonly , Y/ q1 _9 u9 a4 i" h
> have. If we were to pay for FCC approval, we would want to use the modem 5 G$ C8 Z$ b7 H& s& n
> units in all similar applications under the same approval number.
! n9 m1 d# f9 S3 B> Therefore, we would like to be able to configure the units to a specific
( J; ?" a9 S. [" t0 D) c8 t> application. For the business that we do, this approach will yield more 3 l, A( u. n& o" z2 f, b
> sales based on the same product and approval. We are interested in the
6 ~3 |8 b7 G) o! t& v' @> following specifications: . F! r) q+ R0 ~; {) G! d6 C
>
4 _9 F: j- s) w$ C7 ~. k# o! ~> - 2 inputs at the Transmitter with three possibilities; , k4 P" a$ J6 T& U
> 2 analog
: @; ?0 H( T5 z8 L> 2 digital - V" `# G% @: v) ]4 O
> 1 analog and 1 digital
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( x. U7 m" ~1 q1 t+ W' `0 t/ v> - 2 outputs at the Receiver with three possibilities to match inputs 2 L% {. H& q8 A4 v5 Y& h" B
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> - Ability to configure/define analog Transmitter input ranges through
/ o. l: @/ R7 _6 f' ^& m( V5 R- Z> simple programming method to correspond with full-range analog Receiver . ?2 ], p# u& s/ ]7 n& o6 C4 a
> outputs (0 - full voltage). M* C% D: s, Y. K8 `, ]
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> - Ability to configure and set sample rates for the inputs.
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( p& w& {) K; n# G; k> - Digital output on Transmitter that turns on during the sampling period. 8 ] X4 t& @) \1 @
>
) Q( q% F m9 p9 E% p> - Ability to configure a power saving Sleep Mode in the Transmitter by
) {. `* X/ F G1 @( G4 h> both software control and input hardware control.
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> In order to configure the units, we would need a way to make the ! \9 B; u# @4 s% |1 Q
> settings. This would preferably be from a computer terminal so that
$ U6 P, [0 J6 k7 A* F$ R! ?> configurations can be saved or easily duplicated for production volumes.
' y6 I2 r+ h9 r> The units should be small and compact with shielding, and able to mount
: W; B3 e2 f/ { A" Z> to a printed circuit board with header connector.
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* ], W/ X% \* M6 T) m4 m/ V4 }5 H> At this time, we are interested in samples of a pair of modems that # E/ A! @- N M$ |1 _7 \
> might be similar to this proposed system. We do not expect that you
: t! ~' h6 y! E! L% Z> provide all of these specifications at this time. I can describe our * P4 v9 t" U1 |1 ]: C7 D& r
> immediate application needs in the next email if this project is of & q# w$ H) ]( a% O
> interest to you. Perhaps you can make the samples by those - A1 C2 {" H. v! ]
> specifications. This will allow us to test your radios before we move
1 s3 `3 r/ X% W7 Y> forward. We are interested in your 900MHz radio to start.
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