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CRO1877A-LF Datasheet, PDF (1/2 Pages) Z-Communications, Inc – The following details the preliminary specification for a Voltage Controlled Oscillator centered at 1877.5 MHz with 85 MHz nominal tuning range.
CUSTOMER PRODUCT SPECIFICATION
Z-COMM Part Number CRO1877A-LF
Page 1/2
CPS Number 2523 Revision Level A
0.546" x 0.866 VCO, FR= 1835 -1920 MHz, Vt= 0.5 - 4.5 Vdc
Description
The following details the preliminary specification for a Voltage Controlled Oscillator centered at
with 85 MHz nominal tuning range.
.
The part number will be referred to as CRO1877A-LF
Application Notes
1877.5 MHz
1. Please refer to application notes AN-101, AN-102 and AN-107 for additional information on proper layout,
F
grounding and soldering of Z-COMM VCOs.
2.
3.
Specifications
Unless otherwise stated, test conditions are at ambient operation conditions and under a 50 ohm load
Parameter
Test Condition
Units
Frequency Range
FR>=Fmin@VT(min) FR<=Fmax@VT(max) MHz
Tuning Voltage
Output Power
All operating conditions
Vdc
1835 MHz < Fout < 1920 MHz, 50 load dBm
Tuning Sensitivity (Kvco)
Harmonics
Non-Harmonics
Pulling
Pushing
1835 MHz < Fout < 1920 MHz
1835 MHz < Fout < 1920 MHz
0 MHz < Fout < 3000 MHz
VSWR= 1.7 :1, 0 to 2 (shorted line)
4.7 Vdc < Vcc < 5.3 Vdc
MHz/V
dBc
dBc
MHz
MHz/V
Control Line Capacitance
0.5 Vdc < Vtune < 4.5 Vdc
pF
Phase Noise
1 kHz offset, all operating conditions,
1 Hz bandwidth
dBc/Hz
Min.
1835
0.5
3
Typ.
5
25
-15
-87
Phase Noise
Phase Noise
10 kHz offset, all operating conditions,
1 Hz bandwidth
kHz offset, all operating conditions,
1 Hz bandwidth
dBc/Hz
dBc/Hz
-112
Phase Noise
kHz offset, all operating conditions,
1 Hz bandwidth
dBc/Hz
Phase Noise
MHz offset, all operating conditions,
1 Hz bandwidth
dBc/Hz
Supply Voltage
All operating conditions
Vdc
4.75
5
Supply Current
Vcc= 5 Vdc
mA
25
Operating Temperature
Ambient Case Temperature
°C
-40
Notes
Base off of CRO1940A. Lead free version.
Special bigger size.
Max.
1920
4.5
7
-90
5
5
50
5.25
+85
9939 Via Pasar · San Diego, CA 92126 · TEL: 858-621-2700 · FAX: 858-621-2722 · Internet: www.zcomm.com
ISO FRM-S-001