Rainbow-electronics ATR0601 Manual de usuario descargar pdf (Pagina 2)

4866A–GPS–08/05

ATR0601 [Preliminary]

2. Pin Configuration

Figure 2-1. Pinning QFN24

Paddle

GND

VDIG

AGCO

NXTO

XTO

PURF

PUXTO

NBPI

BPI

NBP

VCC

TEST

NRF

SDI

EGC

VCC

Table 2-1. Pin Description

Pin Symbol Type

(1)

Function

Paddle GND S Common ground

1 VDIG S Digital supply

2 AGCO A_I/O AGC: gain control voltage output/corner frequency determination

3 NXTO A_I XTO interface (optional: TCXO input)

4 NX A_O XTO interface

5 X A_O XTO interface

6 XTO A_I XTO interface (optional: TCXO input)

7 VCC S Analog supply

8 MO A_O Testbuffer output (f

)

9 TEST A_I Enable testbuffer

10 NRF A_I RF input complementary

11 RF A_I RF input

12 NC – Not connected

13 BP A_O IF-Filter interface (mixer output, open collector)

14 NBP A_O IF-Filter interface (mixer output complementary, open collector)

15 BPI A_I IF-Filter interface (IF-input)

16 NBPI A_I IF-Filter interface (IF-input complementary)

17 PUXTO D_I Power-up XTO

18 PURF D_I Power-up RF

19 VCC S Analog supply

20 EGC D_I Enable external gain control (high = external; low = internal)

21 SDI D_I Input for external gain control signal (Σ∆ modulation)

22 SL D_O Data output: “low”

23 SH D_O Data output: “high”

24 SC D_O Sample clock

Note: 1. Type: A_I Analog input, A_O Analog output, D_I Digital input, D_O Digital output, S Supply

1 2 3 4 5 6 7 ... 16 17

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Rainbow-electronics ATR0601 Manual de usuario Pagina 2

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