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- l# w9 f2 n. f' V) v! f0 m客户要求如下,如果哪家工厂可以做,请和我联系
& o" a( a( ~* n. c4 j/ Z# _& g> The application that we have in mind is similar to others that we commonly 3 R3 W) `9 |9 t& A! \2 H
> have. If we were to pay for FCC approval, we would want to use the modem
' v' d' b" B; z) D$ v> units in all similar applications under the same approval number. 5 R$ p' o5 c: r" ~$ B; A
> Therefore, we would like to be able to configure the units to a specific " f# |' ^+ W5 g5 o' P+ o# l+ Z( @; `1 o
> application. For the business that we do, this approach will yield more 7 Q3 H! s4 s7 d9 U* E
> sales based on the same product and approval. We are interested in the
: t- p8 W( ] ^9 O6 P$ W/ E> following specifications: ' }/ [: e8 \2 b K% t' y
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! u# w1 `/ n" l* L, v$ ?: `> - 2 inputs at the Transmitter with three possibilities;
' i" Z% n/ s4 f7 u: n$ A> 2 analog
" H) ?' C$ Y% x0 ~0 t> 2 digital 2 ^. f+ m3 \* D9 ~& n5 L
> 1 analog and 1 digital
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> - 2 outputs at the Receiver with three possibilities to match inputs
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7 c; x9 f) l K% g8 Z+ v8 H. Z* ]> - Ability to configure/define analog Transmitter input ranges through
/ B$ q* y) p% a) v1 {' V> simple programming method to correspond with full-range analog Receiver
0 n A' h) M) m' v> outputs (0 - full voltage). 9 k* z2 @) i2 y$ ?* A% m
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6 w5 }' H9 F5 A, d8 H# t> - Ability to configure and set sample rates for the inputs. : S! a# ]' |; H/ \+ _3 c: c
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> - Digital output on Transmitter that turns on during the sampling period. 6 |1 U: z' R+ D( E% l/ }3 S
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> - Ability to configure a power saving Sleep Mode in the Transmitter by
6 O! S& C" r8 A; Y3 n> 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 6 }7 A; q. W* ?& y4 @( n, c+ l/ u' U
> settings. This would preferably be from a computer terminal so that - p/ q6 A2 [* Y" _$ t! |1 g
> configurations can be saved or easily duplicated for production volumes. 9 o( r: D( ?& Y l# K" L& J
> The units should be small and compact with shielding, and able to mount
; j- J$ k( _+ g8 }, X- s+ j> to a printed circuit board with header connector. # R1 Y0 \: w( U) r6 b M- U6 F# r) a3 j
>
- p: n1 ]: P5 u> At this time, we are interested in samples of a pair of modems that $ f/ e; Z/ \, }0 G; e# H" r
> might be similar to this proposed system. We do not expect that you
6 u% |7 j2 e+ X$ f5 l3 }> provide all of these specifications at this time. I can describe our
, T. \. A, Z# e> immediate application needs in the next email if this project is of 6 [5 \/ K; s9 g4 \3 Y, r" `
> interest to you. Perhaps you can make the samples by those ' k7 \. M5 U8 C# S5 U0 d
> specifications. This will allow us to test your radios before we move # p3 a y( [& v6 R
> forward. We are interested in your 900MHz radio to start. a* ~" N6 [; r% h$ Z* K" v
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