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SWRA004A
TRF1500 Integrated Dual-Band RF Receiver User’s Guide 15
Table 1. Pin Descriptions
Pin Number Name Description
1 Bias Adjust Bias adjust
2 TX IF + Transmit IF, noninverting output
3 TX IF - Transmit IF, inverting output
4 GND ground
5 MIX IN LOW BAND Low band mixer input
6 GND ground
7VCC Vcc
8 GND Ground
9 TX + Transmit, noninverting input
10 TX - Transmit, inverting input
11 GND Ground
12 IR ADJUST D Image rejection adjustment
13 HI/LO High band/low band select
14 SYN ON VCO power control
15 HIGH BAND IF + High band IF noninverting output
16 HIGH BAND IF - High band IF, inverting output
17 LOW BAND IF + Low band IF noninverting output
18 LOW BAND IF - Low band IF, inverting output
19 GND ground
20 HIGH BAND LO + High band noninverting LO output
21 HIGH BAND LO - High band, inverting LO output
22 LOW BAND LO + Low band noninverting LO output
23 LOW BAND LO - Low band, inverting LO output
24 RX ON Low noise amplifier/mixer power control
25 VCC Vcc
26 TX ON Transmit mixer/driver power control
27 HIGH BAND LO IN -/RF GND High band LO inverting input/RF GND
28 HIGH BAND LO IN + High band LO noninverting input
29 GND ground
30 DOUDLER TANK Doubler output
31 VCC VCC
32 LOW BAND LO IN Low band LO input
33 GND ground
34 GND ground
35 X2 ON Doubler power control
36 IR ADJUST A Image rejection adjustment
37 IR ADJUST B Image rejection adjustment