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Surface Mount Frequency Synthesizer
MLS9108-00766
MLS9108-00766
Surface Mount Frequency Synthesizer CDMA 754 - 779 MHz
Features
* * * * Integrated VCO/PLL Miniature SMT Package Low Phase Noise +5V Operation
12 Lead Package
12 11 10 9 8 7
DETAIL A
M/ A- COM LTD PART NO. DATE CODE
12.0 14.6 0.2 0.6 6.0 MAX 0.8 1.0
Description
The MLS9108-00766 synthesizer design integrates a high performance buffered VCO, PLL circuit and discrete loop filter in a surface mount package. The SMT packaging provides electrical shielding, easy PCB assembly and repeatable performance. The synthesizer is designed for use in CDMA base stations and is optimised for coverage of the cellular Rx band with 70 MHz IF, 30 kHz step size and low phase noise. M/A-COM synthesizers are manufactured in an ISO 9001 certified facility, incorporating surface mount assembly and automated electrical testing. This ensures consistent electrical performance and quality over volume production quantities.
1
1 2 3 4 5 6
IDENT
2.0 TYP.in 5 POSITIONS 13.2
DETAIL A
Electrical Specifications , TA = +25C, VCC = +5V, F = 30 kHz, FR = 15 MHz (unless otherwise stated)
Parameter 2 Frequency Range (FOUT) 3 RF Output Power (POUT) Harmonic Output Spurious Output Phase Noise
4
Test Conditions Over TOP Over TOP -- Phase comparison frequency (FOUT F) Reference breakthrough (FOUT FR) SSB at 1 kHz offset from carrier SSB at 10 kHz offset from carrier SSB at 100 kHz offset from carrier SSB at 900 kHz offset from carrier 300 Hz to 3 kHz bandwidth Over FOUT, measured to within 500 Hz -- -- Recommended operating limit Recommended operating limit Recommended operating limit 0.5 to 2.0 Vpp sine wave into a.c. coupled CMOS. Recommended operating limit
Integrated Phase Noise 5,6 Frequency Switching Time VCO Supply Current (ICC1) PLL Supply Current (ICC2) VCO Supply Voltage (VCC1) PLL Supply Voltage (VCC2) 7 Step Size (F) 8 Reference Frequency (FR)
Units MHz dBm dBc dBc dBc dBc/Hz dBc/Hz dBc/Hz dBc/Hz mrad rms ms mA mA V V kHz MHz
Min. 754 -1.0 -- -- -- -- -- -- -- -- -- -- -- +4.75 +4.75 -- 3
Typ. -- -- -18 -85 -90 -80 -107 -127 -145 12 30 19 8 -- -- 30 --
Max. 779 +5.0 -15 -70 -- -73 -102 -121 -- -- -- 23 12 +5.25 +5.25 -- 20
1. All specification limits are indicated values and apply over FOUT and for 50 load impedance. 2. Programming control is 3 wire serial CMOS or TTL levels, in accordance with National Semiconductor LMX 1511. 3. Output power window includes variation over operating temperature range (TOP) -40C to +85C and output frequency range (FOUT). 4. See plot for typical phase noise at other frequency offsets.
5. See plot for typical full band switching time measured to within other offsets from final frequency. 6. Integral PLL lock monitor output, TTL high locked, TTL low unlocked. 7. Device designed for loop bandwidth of 200 Hz. 8. Reference frequency input impedance 10 k min.
V2.00
M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.
Surface Mount Frequency Synthesizer
1, 2
MLS9108-00766
Functional Configuration
Lead 1 2 3 4 5 6 Function Ground Clock Input VCC1 (VCO) PLL Lock Monitor Output RF Output Ground Lead 7 8 9 10 11 12 Function Ground Reference Frequency Input VCC2 (PLL) Data Input Strobe/Enable Input Ground
Absolute Maximum Ratings
Parameter 3 VCO Supply Voltage (VCC1) 3 PLL Supply Voltage (VCC2) Reference Frequency Voltage Data, Clock, Strobe Voltages Storage Temperature (TSTOR) Solder Assembly Temperature
Absolute Maximum +6.5V +6.5V -0.3V to +6.5V -0.3V to +6.5V -45C to +125C See App Note M2032
Environmental Specifications
Devices are designed to function over the operating temperature range (TOP) of -40C to +85C and after exposure to the shock, vibration, thermal shock and moisture conditions typically encountered in base station and other infrastructure environments.
1. Exceeding these limits may cause permanent damage. 2. Static sensitive, observe appropriate precautions. 3. An external series resistor and bypass capacitor will allow operation at higher supply voltage and will improve power supply decoupling and noise suppression.
Ordering Information
Synthesizers are available in either tape and reel or tube packaging. To order devices in tape and reel requires the suffix TR be added to the part number, i.e. MLS9108-00766TR. Quantity 500 per 13 inch reel, see Application Note M2030.
Typical Performance
Phase Noise
-40 PHASE NOISE (dBc/Hz) -60 TIME (ms) -80 -100 -120 -140 -160 10 100 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz)
Full Band Switching Time
450 400 350 300 350 200 150 100 50 0 100K
10k
1k
100
100
10
OFFSET FROM FINAL FREQUENCY (Hz)
Output Power vs Temperature
5.0 OUTPUT POWER (dBm) OUTPUT POWER (dBm) 4.0 3.0 2.0 1.0 0.0 -1.0 735 745 755 765 775 FREQUENCY (MHz) 785 795
+85C +25C -40C
Output Power vs Supply Voltage (VCC1)
5.0 4.0 3.0 2.0
5.00V 5.25V
1.0 0.0 -1.0 735 745 755 765 775 FREQUENCY (MHz) 785 795
4.75V
Phase Comparator Spurious
SPURIOUS LEVEL (dBc) SPURIOUS LEVEL (dBc) 0 -20 -40 -60 -80 -100 -40 -30 -20 -10 0 10 20 30 FREQUENCY OFFSET FROM CARRIER(kHz) 40 0 -20 -40 -60 -80 -100
Breakthrough Reference Spurious
-20
-15 -10 -5 0 5 10 15 FREQUENCY OFFSET FROM CARRIER(MHz)
20
V2.00
M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.

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