Pin Description

CDMA IF VGAs and I/Q Demodulators

with VCO and Synthesizer

6

_______________________________________________________________________________________

FM PORT

S11 vs. FREQUENCY

1: 641 - j428 10MHz

2: 27 - j162 85MHz

3: 4 - j73 210MHz

4: 1.8 - j39 600MHz

1

4

2

3

TANKL PORT

1/S11 vs. FREQUENCY

1: -3.06ms + j349

μs, 100MHz

2: -3.01ms + j853

μs, 160MHz

3: -3.11ms + j1.45ms, 240MHz

4: -3.04ms + j1.85ms, 300MHz

2

3

4

1

TANKH PORT

1/S11 vs. FREQUENCY

1: 1.98ms + j437µs, 100MHz

2: 2.18ms + j853µs, 160MHz

3: 2.11ms +j 2.53ms, 420MHz

4: 2.17ms +j 3.71ms, 600MHz

4

3

2

1

Typical Operating Characteristics (continued)

set for +35dB voltage gain, differential output load = 10k

LOOUT PORT

S22 vs. FREQUENCY

1: 108.63

Ω (Re)

10.266

Ω (1m)

40MHz

2: 134.99

Ω (Re)

13.71

Ω (1m)

150MHz

3: 158.83

Ω (Re)

39.58

Ω (1m)

300MHz

CDMA PORT

S11 vs. FREQUENCY

1: 10MHz, 375

Ω - j56Ω

2: 85MHz, 285

Ω - j200Ω

3: 210MHz, 73

Ω - j169Ω

4: 600MHz, 2.1

Ω - j34Ω

1

4

2

3

MAX2316

MAX2314

PIN

NAME

1

1, 8

BYP

Bypass Node. Must be capacitively decoupled (bypassed)

to analog ground.

1

1

2

2

CP_OUT

Charge-Pump Output

2

2

3

3

GND

Analog Ground Reference

3

3

5, 6

4, 5

TANKL+,

TANKL-

Differential Tank Input for Low-Frequency Oscillator

—

4, 5

4

—

DIVSEL

High selects M1/R1; low selects M2/R2.

4

—

MAX2312

MAX2310

FUNCTION