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% w W4 i; v( G: r1 Z) R客户要求如下,如果哪家工厂可以做,请和我联系 & c( r! H) u6 f" ^2 M
> The application that we have in mind is similar to others that we commonly ) }, y! h( ~( ?! G$ o8 e
> have. If we were to pay for FCC approval, we would want to use the modem
% F. ^( b; b& `5 X" ]7 T8 K2 ~ L3 ?> units in all similar applications under the same approval number. . F+ `6 }% D' f- {8 b7 A0 s
> Therefore, we would like to be able to configure the units to a specific
1 |' [) P; \1 n4 ~; |> application. For the business that we do, this approach will yield more 0 V* R* F5 ]6 \7 v
> sales based on the same product and approval. We are interested in the
3 F2 Z( i4 ^# a8 }3 E> following specifications:
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> - 2 inputs at the Transmitter with three possibilities; 0 ^, Z# p4 F4 P1 m/ I1 X: _
> 2 analog
5 A! m. C: Q1 e1 O% w: _0 G> 2 digital
" Z: E/ c5 C) r4 Y# a> 1 analog and 1 digital
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- I6 t* x U, J Y( q1 P# p6 \> - 2 outputs at the Receiver with three possibilities to match inputs 4 b5 _% {, l8 Y. q7 [! ^- s
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> - Ability to configure/define analog Transmitter input ranges through # B, c( m. @. E( j: y* A
> simple programming method to correspond with full-range analog Receiver : k* d) ~* _+ y# M- j
> outputs (0 - full voltage).
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; E }- z$ ?# q6 u> - Ability to configure and set sample rates for the inputs. 9 x! m- O' D- p# }
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> - 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 ' \/ G' b4 d4 W9 Q; a7 }
> 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 ( p" V" ^7 g$ g2 I
> settings. This would preferably be from a computer terminal so that q. g2 {# `% j* V" h
> configurations can be saved or easily duplicated for production volumes.
q* P; r' l) h) g1 A; I1 B1 I- n> The units should be small and compact with shielding, and able to mount
' W7 W2 o/ z2 Y( t% u> to a printed circuit board with header connector.
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> At this time, we are interested in samples of a pair of modems that & S6 Z1 K s, q% |& M- J: }% x
> might be similar to this proposed system. We do not expect that you
: Y0 ^. W6 _# L8 f7 ]$ y> provide all of these specifications at this time. I can describe our . Q. N1 f" k. M, Y. \' l: K# k
> immediate application needs in the next email if this project is of 0 V5 v1 O* A+ @+ D
> interest to you. Perhaps you can make the samples by those
3 A r# [! O- L" m> specifications. This will allow us to test your radios before we move
0 q1 `- h3 k( h# `+ H6 f> forward. We are interested in your 900MHz radio to start. 0 r# q+ S( f! E$ ]3 i7 {
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