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客户要求如下,如果哪家工厂可以做,请和我联系 7 W- ^4 b+ K, C
> The application that we have in mind is similar to others that we commonly 1 Z7 U( F4 l2 Z5 }6 b7 f1 ?, Y
> have. If we were to pay for FCC approval, we would want to use the modem
9 v5 U m" z1 t; ~1 Z> units in all similar applications under the same approval number.
' W& U# L G( J> Therefore, we would like to be able to configure the units to a specific * A7 i0 B4 v8 W6 i
> application. For the business that we do, this approach will yield more
: w# }7 K3 O) r( K9 ^> sales based on the same product and approval. We are interested in the ) \: {. y! q" D' Y$ `
> following specifications:
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> - 2 inputs at the Transmitter with three possibilities; ; C7 j/ S0 z/ c# h
> 2 analog
* g* J% K% Z5 U8 ~7 o$ c> 2 digital 5 R# S' ^# h2 P( c
> 1 analog and 1 digital + _# x. }3 B6 m6 c4 p' i; D& a
>
$ q, I: x2 [; O> - 2 outputs at the Receiver with three possibilities to match inputs ! u/ K. V3 Z4 m, @# o0 }
>
& [$ `. l0 W1 F: a> - Ability to configure/define analog Transmitter input ranges through ' F/ f3 q6 B# z2 O$ r0 c
> simple programming method to correspond with full-range analog Receiver 2 z& P4 C$ C7 `* F2 ^0 `5 R
> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs. : a z' E5 D) T* f
>
+ n6 R$ L& p, m> - Digital output on Transmitter that turns on during the sampling period.
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> - Ability to configure a power saving Sleep Mode in the Transmitter by 1 Q1 {/ U) X0 z
> both software control and input hardware control.
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9 W" V4 Y! t1 y; {; J! `+ A> In order to configure the units, we would need a way to make the 1 T6 h; r6 U0 o% l; Q' x
> settings. This would preferably be from a computer terminal so that
& S. w( C# _4 D. \& S> configurations can be saved or easily duplicated for production volumes.
( ^8 ] s/ n" t2 @- s& @> The units should be small and compact with shielding, and able to mount
z* `8 |( W, W; J> to a printed circuit board with header connector.
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' G" r) l# ~! [> At this time, we are interested in samples of a pair of modems that
( M1 `5 E. y' H1 B; l9 v> might be similar to this proposed system. We do not expect that you
3 L% x( I+ I) Y3 ~7 Z> provide all of these specifications at this time. I can describe our , V, g; ]2 r, T# f+ T7 q6 o
> immediate application needs in the next email if this project is of
7 N% t$ |$ D, \/ k% b; p+ w> interest to you. Perhaps you can make the samples by those
+ A; ?' `' C7 O3 Z y> specifications. This will allow us to test your radios before we move
9 j3 i. t# J. a, }6 O4 t% u. F" \> forward. We are interested in your 900MHz radio to start. ) h; q4 \4 x! e& h3 z, ?" {
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