
Micrel, Inc.
MICRF507
Electrical Characteristics ( 4 ) (Continued)
f RF = 490MHz, f XTAL = 16MHz, MICRF507 Development Board, Modulation type = closed-loop VCO modulation, Sync_en bit = 1,
V DD = 2.5V; T A = 25°C, the term “bit rate” refers to encoded bit rate throughout the EC table (see Figure 24), bold values indicate
–40°C< T A < +85°C, unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
Deviation
Single-Sided Frequency
( 5 )
Maximum Bit Rate
VCO modulation
Divider modulation
38.4kbps, β = 2, 20dBc
10
200
20
140
250
kHz
kbps
kbps
kHz
Occupied Bandwidth
( 5 )
125kbps, β = 2, 20dBc
200kbps, β = 2, 20dBc
550
800
kHz
kHz
2 Harmonic
nd
( 5 )
-43
-36
dBm
3 Harmonic
rd
( 5 )
-59
-36
dBm
Bands < 1GHz
Spurious Emission < 1GHz
Spurious Emission > 1GHz
Spurious Emission in Restricted
( 5 )
( 5 )
( 5 )
Receive Section
All Functions on
LNA bypassed
12
10.3
-54
-36
-30
dBm
dBm
dBm
Receiver Sensitivity (BER 10 )
Rx Current Consumption
Rx Current Consumption Variation
-3
Receiver Maximum Input Power
Receiver Sensitivity Tolerance
Receiver Baseband Bandwidth
Switch cap filter bypassed, LNA on
Both switch cap filter and LNA
bypassed
Over temperature
2.4kbps, β = 16
4.8kbps, β = 16
19.2kbps, β = 4
38.4kbps, β = 4
76.8kbps, β = 2
125kbps, β = 2
200kbps, β = 2
125kbps, 125kHz deviation, LNA on
125kbps, 125kHz deviation, LNA
bypassed
20kbps, 40kHz deviation
Over temperature
Over power supply range
50
9.8
8
2
-113
-111
-107
-104
-101
-100
-97
+7
+12
+2
2
1
350
mA
mA
dBm
dBm
dB
dB
kHz
Co-Channel Rejection, BER = 10
-3
19.2kbps, β = 6, PF_FC[1:0] = 01,
f CUT = 133kHz
-8
dB
Note:
5.
Guaranteed by design.
October 2, 2013
8
Revision 2.2