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& z; r" l' I9 j, ` w U客户要求如下,如果哪家工厂可以做,请和我联系
5 A" y( f) O6 S2 O) i> The application that we have in mind is similar to others that we commonly
! z4 {7 M3 ?) i7 X1 U/ O. Q> have. If we were to pay for FCC approval, we would want to use the modem
4 ]/ A- `$ ]: {. d$ ~9 ?> units in all similar applications under the same approval number.
5 N: {$ U; R6 G1 U' U> Therefore, we would like to be able to configure the units to a specific : Q4 d9 `) i' ` o4 |3 W' H
> application. For the business that we do, this approach will yield more
; o" h* g; o3 I) \7 s7 u; O! h> sales based on the same product and approval. We are interested in the 7 M8 S: W7 U3 l: T! W- N
> following specifications:
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> - 2 inputs at the Transmitter with three possibilities; 8 N2 U1 f" }8 E
> 2 analog
/ r( I" p; [3 A3 @" Q> 2 digital
9 g/ k8 S; H" `2 C" `> 1 analog and 1 digital
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, V( L' a& r. F( ^> - 2 outputs at the Receiver with three possibilities to match inputs 0 a7 m, K- P' I: o, f6 Z9 o: N
> * ]$ p% I0 |# O4 e# Y C
> - Ability to configure/define analog Transmitter input ranges through 6 D# K. S$ L: h* b& ]& V
> simple programming method to correspond with full-range analog Receiver + e! K4 b. L# B+ h5 I, F# ?
> outputs (0 - full voltage).
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, U9 h. m8 s) }" X$ g: {> - Ability to configure and set sample rates for the inputs.
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9 E* O$ C3 g' ]0 P> - Digital output on Transmitter that turns on during the sampling period.
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) q: ~* `7 N, W. H# P4 Z* G/ y. j& n# y4 ]> - Ability to configure a power saving Sleep Mode in the Transmitter by 7 ]2 q1 C/ B E+ {7 J( k7 V5 v
> both software control and input hardware control. # u6 O+ E/ ~& \9 g' e# ~5 w
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> In order to configure the units, we would need a way to make the ! L& ~6 s0 ~4 T3 t! U! `4 f
> settings. This would preferably be from a computer terminal so that ; W" H- _4 G! t
> configurations can be saved or easily duplicated for production volumes. 7 a0 E4 Q- }. O
> The units should be small and compact with shielding, and able to mount ( J1 P' w# O0 I' M* Y+ P
> to a printed circuit board with header connector. ( b1 e# g3 V# H
>
" _( m `& y; J2 k; s) d> At this time, we are interested in samples of a pair of modems that H- S+ E, c5 C* j7 `' J. G; D
> might be similar to this proposed system. We do not expect that you 7 m% j7 J9 X/ _) Y7 h8 a6 V
> provide all of these specifications at this time. I can describe our
j5 c: o6 {# w. f* @> immediate application needs in the next email if this project is of ; c- A, t2 u3 x+ J) C$ c5 o4 k6 f
> interest to you. Perhaps you can make the samples by those : ^2 d& F n7 U- p
> specifications. This will allow us to test your radios before we move " ?: p, z) @( B
> forward. We are interested in your 900MHz radio to start.
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