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# N2 Y5 X9 R9 N# Z: N0 |3 ^客户要求如下,如果哪家工厂可以做,请和我联系 ) e4 _2 q X8 _9 p$ k
> The application that we have in mind is similar to others that we commonly
7 o6 o$ n- [- V4 ]8 |7 d> have. If we were to pay for FCC approval, we would want to use the modem
- Y3 f( s2 X# }9 H9 o$ b> units in all similar applications under the same approval number.
P6 w+ V5 H- ]& F3 C. a> Therefore, we would like to be able to configure the units to a specific
k% f% ^$ L$ J> application. For the business that we do, this approach will yield more ' A, Q) G, v7 b( _, U: q7 K1 ~- X
> sales based on the same product and approval. We are interested in the $ S; q% } @' w Y1 ]
> following specifications: & r2 m" y& }7 c7 @% r+ R
>
" k1 W; q, E: ]8 b> - 2 inputs at the Transmitter with three possibilities; 2 |/ V% M0 {; X' [
> 2 analog 9 o# b/ R% z T& e
> 2 digital ( v* B2 a4 K( n/ O" J! X
> 1 analog and 1 digital
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' G7 z& D r1 w6 H/ |> - 2 outputs at the Receiver with three possibilities to match inputs : I6 M5 a, E3 r: U- v
>
7 R( ?) e7 ^5 w& R> - Ability to configure/define analog Transmitter input ranges through 2 b) {) n2 k4 h' t4 J
> simple programming method to correspond with full-range analog Receiver , v& D2 N8 D! T
> outputs (0 - full voltage).
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> - Ability to configure and set sample rates for the inputs. * D0 N" W: i' y
>
$ ]* a% x Z- G, C> - Digital output on Transmitter that turns on during the sampling period. 6 ]+ N1 P1 }6 U! q' _+ B
>
. ^, o3 d! G. x" `" b I7 ?> - Ability to configure a power saving Sleep Mode in the Transmitter by . }6 [3 h8 l7 S9 q! V& E, u
> both software control and input hardware control.
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1 i1 q4 q6 U3 H7 X1 I> In order to configure the units, we would need a way to make the . d6 O' `* B% G6 K2 D9 D
> settings. This would preferably be from a computer terminal so that
" x9 [8 Y1 `: J. @7 }& ?3 T> configurations can be saved or easily duplicated for production volumes. - X1 ]( J& W5 k+ D+ R* \
> The units should be small and compact with shielding, and able to mount % m+ D; D* O. v/ G% n
> to a printed circuit board with header connector.
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4 {2 ~2 b8 A4 }9 m8 {' V7 Y: W# r> At this time, we are interested in samples of a pair of modems that
" E- b" k" a0 N c> might be similar to this proposed system. We do not expect that you
: A- n0 U2 i, p3 o8 q> provide all of these specifications at this time. I can describe our b' N# x9 v5 h
> immediate application needs in the next email if this project is of
; V1 @# _$ @! T. b% c> interest to you. Perhaps you can make the samples by those & o# J5 U1 t/ d( k
> specifications. This will allow us to test your radios before we move
% k) y* W% p$ |5 a1 X> forward. We are interested in your 900MHz radio to start. 1 B- [' M% c( J$ N9 Z8 Q4 v& X6 R
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