SL6649-I ZARLINK [Zarlink Semiconductor Inc], SL6649-I Datasheet - Page 4

• Manufacturer Part Number: SL6649-I
• Description: 200MHz DIRECT CONVERSION FSK DATA RECEIVER
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

TYPICAL ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed by design.
T
RECEIVER CHARACTERISTICS (GPS DEMONSTRATION BOARD)
Measurement conditions (unless otherwise stated): Applications circuit diagram Fig.6; V
25°C; Colpitts oscillator resistor = 270kΩ; mixer input A and B phase balance = 180°; local oscillator input A and B phase
balance = 90°. Measurement methods as described by CEPT Res 2 specification. F
amb
Characteristic
RF Amplifier
Noise Figure
Power Gain
Input Impedance
Mixer
RF Input Impedance
LO Input Impedance
LO DC Bias Voltage
Detector
Output Current
Colpitts Oscillator
Frequency
Output Voltage
Characteristic
Terminal Sensitivity Tone
only 4/5 call reception
Deviation Acceptance
Centre Frequency Acceptance
Adjacent Channel Rejection
Adjacent + 1 Channel Rejection
Third Order Intermod adj-1 + adj-2
= 25°C, V
CC
1 = 2.5V, V
CC
2 = 3.5V
Figure 2: Block Diagram of SL6649-1 Direct Conversion Receiver
23, 24
26, 27
26, 27
Pin
19
16
16
7
±2.0
Min
Min
65
65
52
Value
Value
-127
±2.5
±2.5
Typ
Typ
5.5
14
±4
15
20
70
70
53
Max
-124
Max
mVp-p
Units
Units
dBm
kHz
kHz
kHz
IN
dB
dB
µA
dB
dB
dB
V
= 153MHz (512 baud).
CC
Conditions
RS = 50Ω
See Fig. 8
See Figs. 9 (a) and (b)
See Fig. 10
Equal to pin 25
R = 270K, Pin 3 to GND
R
Filter Fig. 4
1 = 1.3V; V
Conditions
∆f = 4.5kHz, R
3dB De-Sensitisation. F
∆f = 4.5kHz
∆f = 4.5kHz Channel Spacing
25kHz
External capacitors on test
pins A and B.
L
>> 1MΩ N.B. Refer to Channel
CC
2 = 2.3V; T
S
= 50Ω
SL6649-1
IN
amb
= F
=
LO
3