TRF1400

RF TELEMETRY RECEIVERS

VHF/UHF RZ ASK REMOTE CONTROL RECEIVER

SLWS014E – JUNE 1996 – REVISED APRIL 1998

2

POST OFFICE BOX 655303

description (continued)

The TRF1400 VHF/UHF RZ ASK remote control receiver is available in a 24-pin SOIC (DW) package, and is

characterized for operation over the temperature range of – 40

°C to 85°C. The DW package is available taped

and reeled; add R suffix to device type when ordering (e.g., TRF1400DWR).

functional block diagram

Summing

Amp

13

8

9

10

Manchester

Decoding

Logic

6

5

4

3

2

1

Clock

Comparator

+–

11

12

14

15

16

17

18

19

20

21

22

23

24

LPF

AGND

RFIN3

AVCC

AGND

AVCC

AGND

7

OFFSET

AGND

OSCR

OSCC

DVCC

RFOUT2

LNA2T

RFIN2

AGND

RFOUT1

LNA1T

RFIN1

AGND

DOUT

TRIG

BBOUT

DGND

Six Log-Detecting

RF Amp Stages

Auto Level

SCLK

LNA2

LNA1