Texas Instruments TRF1500 manual Pin Descriptions, Pin Number Name Description

SWRA004A

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
7	VCC	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
TRF1500 Integrated Dual-Band RF Receiver User’s Guide			15