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- {) ]2 d& _4 R A# L客户要求如下,如果哪家工厂可以做,请和我联系
8 h% J. }) c7 C) w6 j> The application that we have in mind is similar to others that we commonly
& t# J5 h* q/ u" t4 o. q% H( |> have. If we were to pay for FCC approval, we would want to use the modem
: E. ]. O/ r; M% |' S/ l8 n9 ^& I> units in all similar applications under the same approval number. + e( y& y) S# c. w4 f) _- J5 N* x+ b
> Therefore, we would like to be able to configure the units to a specific
) @0 l& E0 c3 [- }: P0 M) g> application. For the business that we do, this approach will yield more - P. b) p/ G& k) o# e
> sales based on the same product and approval. We are interested in the
. k3 ~6 s" c* F' J> following specifications:
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> - 2 inputs at the Transmitter with three possibilities; + d4 N- ?: O3 p2 v, T V8 L7 D
> 2 analog , ?8 N9 b: Q0 r
> 2 digital
) h; j2 j! K# N/ ~4 j> 1 analog and 1 digital # F o0 E7 B7 @5 h& p. X
> 0 A5 T8 H' l% V5 m5 L% D8 Q
> - 2 outputs at the Receiver with three possibilities to match inputs 4 @3 ~+ F x7 _2 M# ^3 Y6 {6 L5 g
> + s# }$ Y$ o% {/ f* D. V
> - Ability to configure/define analog Transmitter input ranges through 8 x3 j' C9 b1 E1 m y4 ^; v: D' g
> simple programming method to correspond with full-range analog Receiver 6 ?# z9 T% e2 D! Y3 z
> outputs (0 - full voltage). % t4 f4 b: I, G0 H7 o
>
1 C) o0 j' S) g5 o8 u9 {. t: g* F> - Ability to configure and set sample rates for the inputs.
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> - Digital output on Transmitter that turns on during the sampling period. / m+ e3 q' |; i2 X8 i
> & W2 D) s) ? ], ]% ]) T" d
> - Ability to configure a power saving Sleep Mode in the Transmitter by ! @0 \% v: d* T6 V4 D3 v0 [2 t- q
> 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 ( d9 x1 e; W& h4 n4 v, U' d
> settings. This would preferably be from a computer terminal so that
' W9 R2 H! z# ^/ g) r# E+ ~% r3 T3 ]; `> configurations can be saved or easily duplicated for production volumes.
# `* _4 I5 L* W) P5 ?! N( f> The units should be small and compact with shielding, and able to mount : B( c$ e& X z/ q7 X; }9 N
> to a printed circuit board with header connector. ! ?. p. B$ { l8 M6 ]- r
>
5 B* B% L; V h& ]7 t! I1 L' _2 s% r> At this time, we are interested in samples of a pair of modems that
8 \% N, P! e4 g5 U! K> might be similar to this proposed system. We do not expect that you
. N" k! h% L# j0 u2 P" I> provide all of these specifications at this time. I can describe our : u M- o9 L8 X, ?/ o* [2 w
> immediate application needs in the next email if this project is of ( C% b( U# o( r/ H5 L0 r. F
> interest to you. Perhaps you can make the samples by those 0 B$ @- L w1 u5 L p \
> specifications. This will allow us to test your radios before we move
8 ~) P/ L- w1 j0 B1 z: R" \> forward. We are interested in your 900MHz radio to start. 2 }& _; G5 E; p4 ]9 M. R2 G
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